104 | | <a name="l00147"></a>00147 |
105 | | <a name="l00149"></a>00149 <span class="comment">// mat getR () {return R.to_mat();}</span> |
106 | | <a name="l00150"></a>00150 }; |
107 | | <a name="l00151"></a>00151 |
108 | | <a name="l00158"></a><a class="code" href="classegiw.html">00158</a> <span class="keyword">class </span><a class="code" href="classegiw.html" title="Gauss-inverse-Wishart density stored in LD form.">egiw</a> : <span class="keyword">public</span> <a class="code" href="classeEF.html" title="General conjugate exponential family posterior density.">eEF</a> { |
109 | | <a name="l00159"></a>00159 <span class="keyword">protected</span>: |
110 | | <a name="l00161"></a><a class="code" href="classegiw.html#f343d03ede89db820edf44a6297fa442">00161</a> <a class="code" href="classldmat.html" title="Matrix stored in LD form, (commonly known as UD).">ldmat</a> <a class="code" href="classegiw.html#f343d03ede89db820edf44a6297fa442" title="Extended information matrix of sufficient statistics.">V</a>; |
111 | | <a name="l00163"></a><a class="code" href="classegiw.html#4a2f130b91afe84f6d62fed289d5d453">00163</a> <span class="keywordtype">double</span> <a class="code" href="classegiw.html#4a2f130b91afe84f6d62fed289d5d453" title="Number of data records (degrees of freedom) of sufficient statistics.">nu</a>; |
112 | | <a name="l00165"></a><a class="code" href="classegiw.html#3d5c719f15a5527a6c62c2a53160148e">00165</a> <span class="keywordtype">int</span> <a class="code" href="classegiw.html#3d5c719f15a5527a6c62c2a53160148e" title="Dimension of the output.">xdim</a>; |
113 | | <a name="l00167"></a><a class="code" href="classegiw.html#c70d13d86e0d9f0acede3e1dc0368812">00167</a> <span class="keywordtype">int</span> <a class="code" href="classegiw.html#c70d13d86e0d9f0acede3e1dc0368812" title="Dimension of the regressor.">nPsi</a>; |
114 | | <a name="l00168"></a>00168 <span class="keyword">public</span>: |
115 | | <a name="l00170"></a><a class="code" href="classegiw.html#056c094f01ca1cc308d72162f47617c9">00170</a> <a class="code" href="classegiw.html#056c094f01ca1cc308d72162f47617c9" title="Default constructor, if nu0&lt;0 a minimal nu0 will be computed.">egiw</a> ( <a class="code" href="classRV.html" title="Class representing variables, most often random variables.">RV</a> <a class="code" href="classepdf.html#74da992e3f5d598da8850b646b79b9d9" title="Identified of the random variable.">rv</a>, mat V0, <span class="keywordtype">double</span> nu0=-1.0 ) : <a class="code" href="classeEF.html" title="General conjugate exponential family posterior density.">eEF</a> ( rv ), <a class="code" href="classegiw.html#f343d03ede89db820edf44a6297fa442" title="Extended information matrix of sufficient statistics.">V</a> ( V0 ), <a class="code" href="classegiw.html#4a2f130b91afe84f6d62fed289d5d453" title="Number of data records (degrees of freedom) of sufficient statistics.">nu</a> ( nu0 ) { |
116 | | <a name="l00171"></a>00171 <a class="code" href="classegiw.html#3d5c719f15a5527a6c62c2a53160148e" title="Dimension of the output.">xdim</a> = rv.<a class="code" href="classRV.html#f5c7b8bd589eef09ccdf3329a0addea0" title="Return number of scalars in the RV.">count</a>() /<a class="code" href="classegiw.html#f343d03ede89db820edf44a6297fa442" title="Extended information matrix of sufficient statistics.">V</a>.<a class="code" href="classldmat.html#96dfb21865db4f5bd36fa70f9b0b1163" title="access function">rows</a>(); |
117 | | <a name="l00172"></a>00172 it_assert_debug ( rv.<a class="code" href="classRV.html#f5c7b8bd589eef09ccdf3329a0addea0" title="Return number of scalars in the RV.">count</a>() ==<a class="code" href="classegiw.html#3d5c719f15a5527a6c62c2a53160148e" title="Dimension of the output.">xdim</a>*<a class="code" href="classegiw.html#f343d03ede89db820edf44a6297fa442" title="Extended information matrix of sufficient statistics.">V</a>.<a class="code" href="classldmat.html#96dfb21865db4f5bd36fa70f9b0b1163" title="access function">rows</a>(),<span class="stringliteral">"Incompatible V0."</span> ); |
118 | | <a name="l00173"></a>00173 <a class="code" href="classegiw.html#c70d13d86e0d9f0acede3e1dc0368812" title="Dimension of the regressor.">nPsi</a> = <a class="code" href="classegiw.html#f343d03ede89db820edf44a6297fa442" title="Extended information matrix of sufficient statistics.">V</a>.<a class="code" href="classldmat.html#96dfb21865db4f5bd36fa70f9b0b1163" title="access function">rows</a>()-<a class="code" href="classegiw.html#3d5c719f15a5527a6c62c2a53160148e" title="Dimension of the output.">xdim</a>; |
119 | | <a name="l00174"></a>00174 <span class="comment">//set mu to have proper normalization and </span> |
120 | | <a name="l00175"></a>00175 <span class="keywordflow">if</span> (nu0<0){ |
121 | | <a name="l00176"></a>00176 <a class="code" href="classegiw.html#4a2f130b91afe84f6d62fed289d5d453" title="Number of data records (degrees of freedom) of sufficient statistics.">nu</a> = 0.1 +nPsi +2*<a class="code" href="classegiw.html#3d5c719f15a5527a6c62c2a53160148e" title="Dimension of the output.">xdim</a> +2; <span class="comment">// +2 assures finite expected value of R</span> |
122 | | <a name="l00177"></a>00177 <span class="comment">// terms before that are sufficient for finite normalization</span> |
123 | | <a name="l00178"></a>00178 } |
124 | | <a name="l00179"></a>00179 } |
125 | | <a name="l00181"></a><a class="code" href="classegiw.html#18c1bf6125652a6dcbca68dd02dddd8d">00181</a> <a class="code" href="classegiw.html#056c094f01ca1cc308d72162f47617c9" title="Default constructor, if nu0&lt;0 a minimal nu0 will be computed.">egiw</a> ( <a class="code" href="classRV.html" title="Class representing variables, most often random variables.">RV</a> <a class="code" href="classepdf.html#74da992e3f5d598da8850b646b79b9d9" title="Identified of the random variable.">rv</a>, <a class="code" href="classldmat.html" title="Matrix stored in LD form, (commonly known as UD).">ldmat</a> V0, <span class="keywordtype">double</span> nu0=-1.0 ) : <a class="code" href="classeEF.html" title="General conjugate exponential family posterior density.">eEF</a> ( rv ), <a class="code" href="classegiw.html#f343d03ede89db820edf44a6297fa442" title="Extended information matrix of sufficient statistics.">V</a> ( V0 ), <a class="code" href="classegiw.html#4a2f130b91afe84f6d62fed289d5d453" title="Number of data records (degrees of freedom) of sufficient statistics.">nu</a> ( nu0 ) { |
126 | | <a name="l00182"></a>00182 <a class="code" href="classegiw.html#3d5c719f15a5527a6c62c2a53160148e" title="Dimension of the output.">xdim</a> = rv.<a class="code" href="classRV.html#f5c7b8bd589eef09ccdf3329a0addea0" title="Return number of scalars in the RV.">count</a>() /<a class="code" href="classegiw.html#f343d03ede89db820edf44a6297fa442" title="Extended information matrix of sufficient statistics.">V</a>.<a class="code" href="classldmat.html#96dfb21865db4f5bd36fa70f9b0b1163" title="access function">rows</a>(); |
127 | | <a name="l00183"></a>00183 it_assert_debug ( rv.<a class="code" href="classRV.html#f5c7b8bd589eef09ccdf3329a0addea0" title="Return number of scalars in the RV.">count</a>() ==<a class="code" href="classegiw.html#3d5c719f15a5527a6c62c2a53160148e" title="Dimension of the output.">xdim</a>*<a class="code" href="classegiw.html#f343d03ede89db820edf44a6297fa442" title="Extended information matrix of sufficient statistics.">V</a>.<a class="code" href="classldmat.html#96dfb21865db4f5bd36fa70f9b0b1163" title="access function">rows</a>(),<span class="stringliteral">"Incompatible V0."</span> ); |
128 | | <a name="l00184"></a>00184 <a class="code" href="classegiw.html#c70d13d86e0d9f0acede3e1dc0368812" title="Dimension of the regressor.">nPsi</a> = <a class="code" href="classegiw.html#f343d03ede89db820edf44a6297fa442" title="Extended information matrix of sufficient statistics.">V</a>.<a class="code" href="classldmat.html#96dfb21865db4f5bd36fa70f9b0b1163" title="access function">rows</a>()-<a class="code" href="classegiw.html#3d5c719f15a5527a6c62c2a53160148e" title="Dimension of the output.">xdim</a>; |
129 | | <a name="l00185"></a>00185 <span class="keywordflow">if</span> (nu0<0){ |
130 | | <a name="l00186"></a>00186 <a class="code" href="classegiw.html#4a2f130b91afe84f6d62fed289d5d453" title="Number of data records (degrees of freedom) of sufficient statistics.">nu</a> = 0.1 +nPsi +2*<a class="code" href="classegiw.html#3d5c719f15a5527a6c62c2a53160148e" title="Dimension of the output.">xdim</a> +2; <span class="comment">// +2 assures finite expected value of R</span> |
131 | | <a name="l00187"></a>00187 <span class="comment">// terms before that are sufficient for finite normalization</span> |
132 | | <a name="l00188"></a>00188 } |
133 | | <a name="l00189"></a>00189 } |
134 | | <a name="l00190"></a>00190 |
135 | | <a name="l00191"></a>00191 vec <a class="code" href="classegiw.html#3d2c1f2ba0f9966781f1e0ae695e8a6f" title="Returns a sample, from density .">sample</a>() <span class="keyword">const</span>; |
136 | | <a name="l00192"></a>00192 vec <a class="code" href="classegiw.html#6deb0ff2859f41ef7cbdf6a842cabb29" title="return expected value">mean</a>() <span class="keyword">const</span>; |
137 | | <a name="l00193"></a>00193 <span class="keywordtype">void</span> mean_mat ( mat &M, mat&R ) <span class="keyword">const</span>; |
138 | | <a name="l00195"></a>00195 <span class="keywordtype">double</span> <a class="code" href="classegiw.html#2ab1e525d692be8272a6f383d60b94cd" title="In this instance, val= [theta, r]. For multivariate instances, it is stored columnwise...">evalpdflog_nn</a> ( <span class="keyword">const</span> vec &val ) <span class="keyword">const</span>; |
139 | | <a name="l00196"></a>00196 <span class="keywordtype">double</span> <a class="code" href="classegiw.html#70eb1a0b88459b227f919b425b0d3359" title="logarithm of the normalizing constant, ">lognc</a> () <span class="keyword">const</span>; |
140 | | <a name="l00197"></a>00197 |
141 | | <a name="l00198"></a>00198 <span class="comment">//Access</span> |
142 | | <a name="l00200"></a><a class="code" href="classegiw.html#533e792e1175bfa06d5d595dc5d080d5">00200</a> <span class="comment"></span> <a class="code" href="classldmat.html" title="Matrix stored in LD form, (commonly known as UD).">ldmat</a>& <a class="code" href="classegiw.html#533e792e1175bfa06d5d595dc5d080d5" title="returns a pointer to the internal statistics. Use with Care!">_V</a>() {<span class="keywordflow">return</span> <a class="code" href="classegiw.html#f343d03ede89db820edf44a6297fa442" title="Extended information matrix of sufficient statistics.">V</a>;} |
143 | | <a name="l00202"></a><a class="code" href="classegiw.html#a46c8a206edf80b357a138d7491780c1">00202</a> <span class="keyword">const</span> <a class="code" href="classldmat.html" title="Matrix stored in LD form, (commonly known as UD).">ldmat</a>& <a class="code" href="classegiw.html#533e792e1175bfa06d5d595dc5d080d5" title="returns a pointer to the internal statistics. Use with Care!">_V</a>()<span class="keyword"> const </span>{<span class="keywordflow">return</span> <a class="code" href="classegiw.html#f343d03ede89db820edf44a6297fa442" title="Extended information matrix of sufficient statistics.">V</a>;} |
144 | | <a name="l00204"></a><a class="code" href="classegiw.html#08029c481ff95d24f093df0573879afe">00204</a> <span class="keywordtype">double</span>& <a class="code" href="classegiw.html#08029c481ff95d24f093df0573879afe" title="returns a pointer to the internal statistics. Use with Care!">_nu</a>() {<span class="keywordflow">return</span> <a class="code" href="classegiw.html#4a2f130b91afe84f6d62fed289d5d453" title="Number of data records (degrees of freedom) of sufficient statistics.">nu</a>;} |
145 | | <a name="l00205"></a>00205 <span class="keyword">const</span> <span class="keywordtype">double</span>& <a class="code" href="classegiw.html#08029c481ff95d24f093df0573879afe" title="returns a pointer to the internal statistics. Use with Care!">_nu</a>()<span class="keyword"> const </span>{<span class="keywordflow">return</span> <a class="code" href="classegiw.html#4a2f130b91afe84f6d62fed289d5d453" title="Number of data records (degrees of freedom) of sufficient statistics.">nu</a>;} |
146 | | <a name="l00206"></a><a class="code" href="classegiw.html#036306322a90a9977834baac07460816">00206</a> <span class="keywordtype">void</span> <a class="code" href="classegiw.html#036306322a90a9977834baac07460816" title="Power of the density, used e.g. to flatten the density.">pow</a> ( <span class="keywordtype">double</span> p ) {<a class="code" href="classegiw.html#f343d03ede89db820edf44a6297fa442" title="Extended information matrix of sufficient statistics.">V</a>*=p;<a class="code" href="classegiw.html#4a2f130b91afe84f6d62fed289d5d453" title="Number of data records (degrees of freedom) of sufficient statistics.">nu</a>*=p;}; |
147 | | <a name="l00207"></a>00207 }; |
148 | | <a name="l00208"></a>00208 |
149 | | <a name="l00217"></a><a class="code" href="classeDirich.html">00217</a> <span class="keyword">class </span><a class="code" href="classeDirich.html" title="Dirichlet posterior density.">eDirich</a>: <span class="keyword">public</span> <a class="code" href="classeEF.html" title="General conjugate exponential family posterior density.">eEF</a> { |
150 | | <a name="l00218"></a>00218 <span class="keyword">protected</span>: |
151 | | <a name="l00220"></a><a class="code" href="classeDirich.html#15e6b65e9595eedc8a1286c6cecd36d7">00220</a> vec <a class="code" href="classeDirich.html#15e6b65e9595eedc8a1286c6cecd36d7" title="sufficient statistics">beta</a>; |
152 | | <a name="l00221"></a>00221 <span class="keyword">public</span>: |
153 | | <a name="l00223"></a><a class="code" href="classeDirich.html#ac7e6116f3575c3860d07355e96cd4af">00223</a> <a class="code" href="classeDirich.html#ac7e6116f3575c3860d07355e96cd4af" title="Default constructor.">eDirich</a> ( <span class="keyword">const</span> <a class="code" href="classRV.html" title="Class representing variables, most often random variables.">RV</a> &<a class="code" href="classepdf.html#74da992e3f5d598da8850b646b79b9d9" title="Identified of the random variable.">rv</a>, <span class="keyword">const</span> vec &beta0 ) : <a class="code" href="classeEF.html" title="General conjugate exponential family posterior density.">eEF</a> ( rv ),<a class="code" href="classeDirich.html#15e6b65e9595eedc8a1286c6cecd36d7" title="sufficient statistics">beta</a> ( beta0 ) {it_assert_debug ( rv.<a class="code" href="classRV.html#f5c7b8bd589eef09ccdf3329a0addea0" title="Return number of scalars in the RV.">count</a>() ==<a class="code" href="classeDirich.html#15e6b65e9595eedc8a1286c6cecd36d7" title="sufficient statistics">beta</a>.length(),<span class="stringliteral">"Incompatible statistics"</span> ); }; |
154 | | <a name="l00225"></a><a class="code" href="classeDirich.html#55cccbc5eb44764dce722567acf5fd58">00225</a> <a class="code" href="classeDirich.html#ac7e6116f3575c3860d07355e96cd4af" title="Default constructor.">eDirich</a> ( <span class="keyword">const</span> <a class="code" href="classeDirich.html" title="Dirichlet posterior density.">eDirich</a> &D0 ) : <a class="code" href="classeEF.html" title="General conjugate exponential family posterior density.">eEF</a> ( D0.<a class="code" href="classepdf.html#74da992e3f5d598da8850b646b79b9d9" title="Identified of the random variable.">rv</a> ),<a class="code" href="classeDirich.html#15e6b65e9595eedc8a1286c6cecd36d7" title="sufficient statistics">beta</a> ( D0.<a class="code" href="classeDirich.html#15e6b65e9595eedc8a1286c6cecd36d7" title="sufficient statistics">beta</a> ) {}; |
155 | | <a name="l00226"></a><a class="code" href="classeDirich.html#23dff79110822e9639343fe8e177fd80">00226</a> vec <a class="code" href="classeDirich.html#23dff79110822e9639343fe8e177fd80" title="Returns a sample, from density .">sample</a>()<span class="keyword"> const </span>{it_error ( <span class="stringliteral">"Not implemented"</span> );<span class="keywordflow">return</span> vec_1 ( 0.0 );}; |
156 | | <a name="l00227"></a><a class="code" href="classeDirich.html#4206e1da149d51ff3b663c9241096b73">00227</a> vec <a class="code" href="classeDirich.html#4206e1da149d51ff3b663c9241096b73" title="return expected value">mean</a>()<span class="keyword"> const </span>{<span class="keywordflow">return</span> <a class="code" href="classeDirich.html#15e6b65e9595eedc8a1286c6cecd36d7" title="sufficient statistics">beta</a>/sum ( <a class="code" href="classeDirich.html#15e6b65e9595eedc8a1286c6cecd36d7" title="sufficient statistics">beta</a> );}; |
157 | | <a name="l00229"></a><a class="code" href="classeDirich.html#688a24f04be6d80d4769cf0e4ded7acc">00229</a> <span class="keywordtype">double</span> <a class="code" href="classeDirich.html#688a24f04be6d80d4769cf0e4ded7acc" title="In this instance, val is ...">evalpdflog_nn</a> ( <span class="keyword">const</span> vec &val )<span class="keyword"> const </span>{<span class="keywordflow">return</span> ( <a class="code" href="classeDirich.html#15e6b65e9595eedc8a1286c6cecd36d7" title="sufficient statistics">beta</a>-1 ) *log ( val );}; |
158 | | <a name="l00230"></a><a class="code" href="classeDirich.html#7ce60be7119ffc639ede4e583c1f6e77">00230</a> <span class="keywordtype">double</span> <a class="code" href="classeDirich.html#7ce60be7119ffc639ede4e583c1f6e77" title="logarithm of the normalizing constant, ">lognc</a> ()<span class="keyword"> const </span>{ |
159 | | <a name="l00231"></a>00231 <span class="keywordtype">double</span> gam=sum ( <a class="code" href="classeDirich.html#15e6b65e9595eedc8a1286c6cecd36d7" title="sufficient statistics">beta</a> ); |
160 | | <a name="l00232"></a>00232 <span class="keywordtype">double</span> lgb=0.0; |
161 | | <a name="l00233"></a>00233 <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i=0;i<<a class="code" href="classeDirich.html#15e6b65e9595eedc8a1286c6cecd36d7" title="sufficient statistics">beta</a>.length();i++ ) {lgb+=lgamma ( <a class="code" href="classeDirich.html#15e6b65e9595eedc8a1286c6cecd36d7" title="sufficient statistics">beta</a> ( i ) );} |
162 | | <a name="l00234"></a>00234 <span class="keywordflow">return</span> lgb-lgamma ( gam ); |
163 | | <a name="l00235"></a>00235 }; |
164 | | <a name="l00237"></a><a class="code" href="classeDirich.html#6409d0362143a23976b43641ff19e53a">00237</a> vec& <a class="code" href="classeDirich.html#6409d0362143a23976b43641ff19e53a" title="access function">_beta</a>() {<span class="keywordflow">return</span> <a class="code" href="classeDirich.html#15e6b65e9595eedc8a1286c6cecd36d7" title="sufficient statistics">beta</a>;} |
165 | | <a name="l00239"></a><a class="code" href="classeDirich.html#c842acb2e1cce5cc9000769ff06c086d">00239</a> <span class="keywordtype">void</span> <a class="code" href="classeDirich.html#c842acb2e1cce5cc9000769ff06c086d" title="Set internal parameters.">set_parameters</a> ( <span class="keyword">const</span> vec &beta0 ) { |
166 | | <a name="l00240"></a>00240 <span class="keywordflow">if</span> ( beta0.length() !=<a class="code" href="classeDirich.html#15e6b65e9595eedc8a1286c6cecd36d7" title="sufficient statistics">beta</a>.length() ) { |
167 | | <a name="l00241"></a>00241 it_assert_debug ( <a class="code" href="classepdf.html#74da992e3f5d598da8850b646b79b9d9" title="Identified of the random variable.">rv</a>.<a class="code" href="classRV.html#c114a6f3ff06796cc2f4dacba74291eb" title="Return length (number of entries) of the RV.">length</a>() ==1,<span class="stringliteral">"Undefined"</span> ); |
168 | | <a name="l00242"></a>00242 <a class="code" href="classepdf.html#74da992e3f5d598da8850b646b79b9d9" title="Identified of the random variable.">rv</a>.<a class="code" href="classRV.html#70b24c39c5130b1e4753fa2eef495433" title="access function">set_size</a> ( 0,beta0.length() ); |
169 | | <a name="l00243"></a>00243 } |
170 | | <a name="l00244"></a>00244 <a class="code" href="classeDirich.html#15e6b65e9595eedc8a1286c6cecd36d7" title="sufficient statistics">beta</a>= beta0; |
171 | | <a name="l00245"></a>00245 } |
172 | | <a name="l00246"></a>00246 }; |
173 | | <a name="l00247"></a>00247 |
174 | | <a name="l00249"></a><a class="code" href="classmultiBM.html">00249</a> <span class="keyword">class </span><a class="code" href="classmultiBM.html" title="Estimator for Multinomial density.">multiBM</a> : <span class="keyword">public</span> <a class="code" href="classBMEF.html" title="Estimator for Exponential family.">BMEF</a> { |
175 | | <a name="l00250"></a>00250 <span class="keyword">protected</span>: |
176 | | <a name="l00252"></a><a class="code" href="classmultiBM.html#eddee08a724170de63f36e40c57b27b5">00252</a> <a class="code" href="classeDirich.html" title="Dirichlet posterior density.">eDirich</a> <a class="code" href="classmultiBM.html#eddee08a724170de63f36e40c57b27b5" title="Conjugate prior and posterior.">est</a>; |
177 | | <a name="l00254"></a><a class="code" href="classmultiBM.html#7b606116aed7e8834a339cbb0424b1d6">00254</a> vec &<a class="code" href="classmultiBM.html#7b606116aed7e8834a339cbb0424b1d6" title="Pointer inside est to sufficient statistics.">beta</a>; |
178 | | <a name="l00255"></a>00255 <span class="keyword">public</span>: |
179 | | <a name="l00257"></a><a class="code" href="classmultiBM.html#7d7d7e78c129602bcde96078359dc6e5">00257</a> <a class="code" href="classmultiBM.html#7d7d7e78c129602bcde96078359dc6e5" title="Default constructor.">multiBM</a> ( <span class="keyword">const</span> <a class="code" href="classRV.html" title="Class representing variables, most often random variables.">RV</a> &<a class="code" href="classBM.html#af00f0612fabe66241dd507188cdbf88" title="Random variable of the posterior.">rv</a>, <span class="keyword">const</span> vec beta0 ) : <a class="code" href="classBMEF.html" title="Estimator for Exponential family.">BMEF</a> ( rv ),<a class="code" href="classmultiBM.html#eddee08a724170de63f36e40c57b27b5" title="Conjugate prior and posterior.">est</a> ( rv,beta0 ),<a class="code" href="classmultiBM.html#7b606116aed7e8834a339cbb0424b1d6" title="Pointer inside est to sufficient statistics.">beta</a> ( <a class="code" href="classmultiBM.html#eddee08a724170de63f36e40c57b27b5" title="Conjugate prior and posterior.">est</a>._beta() ) {<a class="code" href="classBMEF.html#308cf5d4133cd471fdf1ecd5dfa09d02" title="cached value of lognc() in the previous step (used in evaluation of ll )">last_lognc</a>=<a class="code" href="classmultiBM.html#eddee08a724170de63f36e40c57b27b5" title="Conjugate prior and posterior.">est</a>.<a class="code" href="classeDirich.html#7ce60be7119ffc639ede4e583c1f6e77" title="logarithm of the normalizing constant, ">lognc</a>();} |
180 | | <a name="l00259"></a><a class="code" href="classmultiBM.html#b92751adbfb9f259ca8c95232cfd9c09">00259</a> <a class="code" href="classmultiBM.html#7d7d7e78c129602bcde96078359dc6e5" title="Default constructor.">multiBM</a> ( <span class="keyword">const</span> <a class="code" href="classmultiBM.html" title="Estimator for Multinomial density.">multiBM</a> &B ) : <a class="code" href="classBMEF.html" title="Estimator for Exponential family.">BMEF</a> ( B ),<a class="code" href="classmultiBM.html#eddee08a724170de63f36e40c57b27b5" title="Conjugate prior and posterior.">est</a> ( <a class="code" href="classBM.html#af00f0612fabe66241dd507188cdbf88" title="Random variable of the posterior.">rv</a>,B.<a class="code" href="classmultiBM.html#7b606116aed7e8834a339cbb0424b1d6" title="Pointer inside est to sufficient statistics.">beta</a> ),<a class="code" href="classmultiBM.html#7b606116aed7e8834a339cbb0424b1d6" title="Pointer inside est to sufficient statistics.">beta</a> ( <a class="code" href="classmultiBM.html#eddee08a724170de63f36e40c57b27b5" title="Conjugate prior and posterior.">est</a>._beta() ) {} |
181 | | <a name="l00261"></a><a class="code" href="classmultiBM.html#42e36804041e551d3ceea6c75abc0562">00261</a> <span class="keywordtype">void</span> <a class="code" href="classmultiBM.html#42e36804041e551d3ceea6c75abc0562" title="Sets sufficient statistics to match that of givefrom mB0.">set_statistics</a> ( <span class="keyword">const</span> <a class="code" href="classBM.html" title="Bayesian Model of the world, i.e. all uncertainty is modeled by probabilities.">BM</a>* mB0 ) {<span class="keyword">const</span> <a class="code" href="classmultiBM.html" title="Estimator for Multinomial density.">multiBM</a>* mB=<span class="keyword">dynamic_cast<</span><span class="keyword">const </span><a class="code" href="classmultiBM.html" title="Estimator for Multinomial density.">multiBM</a>*<span class="keyword">></span> ( mB0 ); <a class="code" href="classmultiBM.html#7b606116aed7e8834a339cbb0424b1d6" title="Pointer inside est to sufficient statistics.">beta</a>=mB-><a class="code" href="classmultiBM.html#7b606116aed7e8834a339cbb0424b1d6" title="Pointer inside est to sufficient statistics.">beta</a>;} |
182 | | <a name="l00262"></a><a class="code" href="classmultiBM.html#11eeba7e97954e316e959116f90d80e2">00262</a> <span class="keywordtype">void</span> <a class="code" href="classmultiBM.html#11eeba7e97954e316e959116f90d80e2" title="Incremental Bayes rule.">bayes</a> ( <span class="keyword">const</span> vec &dt ) { |
183 | | <a name="l00263"></a>00263 <span class="keywordflow">if</span> ( <a class="code" href="classBMEF.html#538d632e59f9afa8daa1de74da12ce71" title="forgetting factor">frg</a><1.0 ) {<a class="code" href="classmultiBM.html#7b606116aed7e8834a339cbb0424b1d6" title="Pointer inside est to sufficient statistics.">beta</a>*=<a class="code" href="classBMEF.html#538d632e59f9afa8daa1de74da12ce71" title="forgetting factor">frg</a>;<a class="code" href="classBMEF.html#308cf5d4133cd471fdf1ecd5dfa09d02" title="cached value of lognc() in the previous step (used in evaluation of ll )">last_lognc</a>=<a class="code" href="classmultiBM.html#eddee08a724170de63f36e40c57b27b5" title="Conjugate prior and posterior.">est</a>.<a class="code" href="classeDirich.html#7ce60be7119ffc639ede4e583c1f6e77" title="logarithm of the normalizing constant, ">lognc</a>();} |
184 | | <a name="l00264"></a>00264 <a class="code" href="classmultiBM.html#7b606116aed7e8834a339cbb0424b1d6" title="Pointer inside est to sufficient statistics.">beta</a>+=dt; |
185 | | <a name="l00265"></a>00265 <span class="keywordflow">if</span> ( <a class="code" href="classBM.html#bf6fb59b30141074f8ee1e2f43d03129" title="If true, the filter will compute likelihood of the data record and store it in ll...">evalll</a> ) {<a class="code" href="classBM.html#5623fef6572a08c2b53b8c87b82dc979" title="Logarithm of marginalized data likelihood.">ll</a>=<a class="code" href="classmultiBM.html#eddee08a724170de63f36e40c57b27b5" title="Conjugate prior and posterior.">est</a>.<a class="code" href="classeDirich.html#7ce60be7119ffc639ede4e583c1f6e77" title="logarithm of the normalizing constant, ">lognc</a>()-<a class="code" href="classBMEF.html#308cf5d4133cd471fdf1ecd5dfa09d02" title="cached value of lognc() in the previous step (used in evaluation of ll )">last_lognc</a>;} |
186 | | <a name="l00266"></a>00266 } |
187 | | <a name="l00267"></a><a class="code" href="classmultiBM.html#13e26a61757278981fd8cac9a7ef91eb">00267</a> <span class="keywordtype">double</span> <a class="code" href="classmultiBM.html#13e26a61757278981fd8cac9a7ef91eb">logpred</a> ( <span class="keyword">const</span> vec &dt )<span class="keyword"> const </span>{ |
188 | | <a name="l00268"></a>00268 <a class="code" href="classeDirich.html" title="Dirichlet posterior density.">eDirich</a> pred ( <a class="code" href="classmultiBM.html#eddee08a724170de63f36e40c57b27b5" title="Conjugate prior and posterior.">est</a> ); |
189 | | <a name="l00269"></a>00269 vec &<a class="code" href="classmultiBM.html#7b606116aed7e8834a339cbb0424b1d6" title="Pointer inside est to sufficient statistics.">beta</a> = pred.<a class="code" href="classeDirich.html#6409d0362143a23976b43641ff19e53a" title="access function">_beta</a>(); |
190 | | <a name="l00270"></a>00270 |
191 | | <a name="l00271"></a>00271 <span class="keywordtype">double</span> lll; |
192 | | <a name="l00272"></a>00272 <span class="keywordflow">if</span> ( <a class="code" href="classBMEF.html#538d632e59f9afa8daa1de74da12ce71" title="forgetting factor">frg</a><1.0 ) |
193 | | <a name="l00273"></a>00273 {beta*=<a class="code" href="classBMEF.html#538d632e59f9afa8daa1de74da12ce71" title="forgetting factor">frg</a>;lll=pred.<a class="code" href="classeDirich.html#7ce60be7119ffc639ede4e583c1f6e77" title="logarithm of the normalizing constant, ">lognc</a>();} |
194 | | <a name="l00274"></a>00274 <span class="keywordflow">else</span> |
195 | | <a name="l00275"></a>00275 <span class="keywordflow">if</span> ( <a class="code" href="classBM.html#bf6fb59b30141074f8ee1e2f43d03129" title="If true, the filter will compute likelihood of the data record and store it in ll...">evalll</a> ) {lll=<a class="code" href="classBMEF.html#308cf5d4133cd471fdf1ecd5dfa09d02" title="cached value of lognc() in the previous step (used in evaluation of ll )">last_lognc</a>;} |
196 | | <a name="l00276"></a>00276 <span class="keywordflow">else</span>{lll=pred.<a class="code" href="classeDirich.html#7ce60be7119ffc639ede4e583c1f6e77" title="logarithm of the normalizing constant, ">lognc</a>();} |
197 | | <a name="l00277"></a>00277 |
198 | | <a name="l00278"></a>00278 beta+=dt; |
199 | | <a name="l00279"></a>00279 <span class="keywordflow">return</span> pred.<a class="code" href="classeDirich.html#7ce60be7119ffc639ede4e583c1f6e77" title="logarithm of the normalizing constant, ">lognc</a>()-lll; |
200 | | <a name="l00280"></a>00280 } |
201 | | <a name="l00281"></a><a class="code" href="classmultiBM.html#3988322f8f51b153622036f461f62a67">00281</a> <span class="keywordtype">void</span> <a class="code" href="classmultiBM.html#3988322f8f51b153622036f461f62a67" title="Flatten the posterior according to the given BMEF (of the same type!).">flatten</a> ( <span class="keyword">const</span> <a class="code" href="classBMEF.html" title="Estimator for Exponential family.">BMEF</a>* B ) { |
202 | | <a name="l00282"></a>00282 <span class="keyword">const</span> <a class="code" href="classmultiBM.html" title="Estimator for Multinomial density.">multiBM</a>* E=<span class="keyword">dynamic_cast<</span><span class="keyword">const </span><a class="code" href="classmultiBM.html" title="Estimator for Multinomial density.">multiBM</a>*<span class="keyword">></span> ( B ); |
203 | | <a name="l00283"></a>00283 <span class="comment">// sum(beta) should be equal to sum(B.beta)</span> |
204 | | <a name="l00284"></a>00284 <span class="keyword">const</span> vec &Eb=E-><a class="code" href="classmultiBM.html#7b606116aed7e8834a339cbb0424b1d6" title="Pointer inside est to sufficient statistics.">beta</a>;<span class="comment">//const_cast<multiBM*> ( E )->_beta();</span> |
205 | | <a name="l00285"></a>00285 <a class="code" href="classmultiBM.html#7b606116aed7e8834a339cbb0424b1d6" title="Pointer inside est to sufficient statistics.">beta</a>*= ( sum ( Eb ) /sum ( <a class="code" href="classmultiBM.html#7b606116aed7e8834a339cbb0424b1d6" title="Pointer inside est to sufficient statistics.">beta</a> ) ); |
206 | | <a name="l00286"></a>00286 <span class="keywordflow">if</span> ( <a class="code" href="classBM.html#bf6fb59b30141074f8ee1e2f43d03129" title="If true, the filter will compute likelihood of the data record and store it in ll...">evalll</a> ) {<a class="code" href="classBMEF.html#308cf5d4133cd471fdf1ecd5dfa09d02" title="cached value of lognc() in the previous step (used in evaluation of ll )">last_lognc</a>=<a class="code" href="classmultiBM.html#eddee08a724170de63f36e40c57b27b5" title="Conjugate prior and posterior.">est</a>.<a class="code" href="classeDirich.html#7ce60be7119ffc639ede4e583c1f6e77" title="logarithm of the normalizing constant, ">lognc</a>();} |
207 | | <a name="l00287"></a>00287 } |
208 | | <a name="l00288"></a><a class="code" href="classmultiBM.html#66cdfd83a70bc281840ab0646b941684">00288</a> <span class="keyword">const</span> <a class="code" href="classepdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a>& <a class="code" href="classmultiBM.html#66cdfd83a70bc281840ab0646b941684" title="Returns a reference to the epdf representing posterior density on parameters.">_epdf</a>()<span class="keyword"> const </span>{<span class="keywordflow">return</span> <a class="code" href="classmultiBM.html#eddee08a724170de63f36e40c57b27b5" title="Conjugate prior and posterior.">est</a>;}; |
209 | | <a name="l00289"></a><a class="code" href="classmultiBM.html#66a0fa6966e40bb6c3e7ba22d26e9d35">00289</a> <span class="keyword">const</span> <a class="code" href="classeDirich.html" title="Dirichlet posterior density.">eDirich</a>* <a class="code" href="classmultiBM.html#66a0fa6966e40bb6c3e7ba22d26e9d35" title="Returns a pointer to the epdf representing posterior density on parameters. Use with...">_e</a>()<span class="keyword"> const </span>{<span class="keywordflow">return</span> &<a class="code" href="classmultiBM.html#eddee08a724170de63f36e40c57b27b5" title="Conjugate prior and posterior.">est</a>;}; |
210 | | <a name="l00290"></a>00290 <span class="keywordtype">void</span> set_parameters ( <span class="keyword">const</span> vec &beta0 ) { |
211 | | <a name="l00291"></a>00291 <a class="code" href="classmultiBM.html#eddee08a724170de63f36e40c57b27b5" title="Conjugate prior and posterior.">est</a>.<a class="code" href="classeDirich.html#c842acb2e1cce5cc9000769ff06c086d" title="Set internal parameters.">set_parameters</a> ( beta0 ); |
212 | | <a name="l00292"></a>00292 <a class="code" href="classBM.html#af00f0612fabe66241dd507188cdbf88" title="Random variable of the posterior.">rv</a> = <a class="code" href="classmultiBM.html#eddee08a724170de63f36e40c57b27b5" title="Conjugate prior and posterior.">est</a>.<a class="code" href="classepdf.html#ca0d32aabb4cbba347e0c37fe8607562" title="access function, possibly dangerous!">_rv</a>(); |
213 | | <a name="l00293"></a>00293 <span class="keywordflow">if</span> ( <a class="code" href="classBM.html#bf6fb59b30141074f8ee1e2f43d03129" title="If true, the filter will compute likelihood of the data record and store it in ll...">evalll</a> ) {<a class="code" href="classBMEF.html#308cf5d4133cd471fdf1ecd5dfa09d02" title="cached value of lognc() in the previous step (used in evaluation of ll )">last_lognc</a>=<a class="code" href="classmultiBM.html#eddee08a724170de63f36e40c57b27b5" title="Conjugate prior and posterior.">est</a>.<a class="code" href="classeDirich.html#7ce60be7119ffc639ede4e583c1f6e77" title="logarithm of the normalizing constant, ">lognc</a>();} |
214 | | <a name="l00294"></a>00294 } |
215 | | <a name="l00295"></a>00295 }; |
216 | | <a name="l00296"></a>00296 |
217 | | <a name="l00306"></a><a class="code" href="classegamma.html">00306</a> <span class="keyword">class </span><a class="code" href="classegamma.html" title="Gamma posterior density.">egamma</a> : <span class="keyword">public</span> <a class="code" href="classeEF.html" title="General conjugate exponential family posterior density.">eEF</a> { |
218 | | <a name="l00307"></a>00307 <span class="keyword">protected</span>: |
219 | | <a name="l00309"></a><a class="code" href="classegamma.html#376cebd8932546c440f21b182910b01b">00309</a> vec <a class="code" href="classegamma.html#376cebd8932546c440f21b182910b01b" title="Vector .">alpha</a>; |
220 | | <a name="l00311"></a><a class="code" href="classegamma.html#cfc5f136467488a421ab22f886323790">00311</a> vec <a class="code" href="classegamma.html#cfc5f136467488a421ab22f886323790" title="Vector .">beta</a>; |
221 | | <a name="l00312"></a>00312 <span class="keyword">public</span> : |
222 | | <a name="l00314"></a><a class="code" href="classegamma.html#4b1d34f3b244ea51a58ec10c468788c1">00314</a> <a class="code" href="classegamma.html#4b1d34f3b244ea51a58ec10c468788c1" title="Default constructor.">egamma</a> ( <span class="keyword">const</span> <a class="code" href="classRV.html" title="Class representing variables, most often random variables.">RV</a> &<a class="code" href="classepdf.html#74da992e3f5d598da8850b646b79b9d9" title="Identified of the random variable.">rv</a> ) :<a class="code" href="classeEF.html" title="General conjugate exponential family posterior density.">eEF</a> ( rv ) {}; |
223 | | <a name="l00316"></a><a class="code" href="classegamma.html#8e348b89be82b70471fe8c5630f61339">00316</a> <span class="keywordtype">void</span> <a class="code" href="classegamma.html#8e348b89be82b70471fe8c5630f61339" title="Sets parameters.">set_parameters</a> ( <span class="keyword">const</span> vec &a, <span class="keyword">const</span> vec &b ) {<a class="code" href="classegamma.html#376cebd8932546c440f21b182910b01b" title="Vector .">alpha</a>=a,<a class="code" href="classegamma.html#cfc5f136467488a421ab22f886323790" title="Vector .">beta</a>=b;}; |
224 | | <a name="l00317"></a>00317 vec <a class="code" href="classegamma.html#8e10c0021b5dfdd9cb62c6959b5ef425" title="Returns a sample, from density .">sample</a>() <span class="keyword">const</span>; |
225 | | <a name="l00319"></a>00319 <span class="comment">// mat sample ( int N ) const;</span> |
226 | | <a name="l00320"></a>00320 <span class="keywordtype">double</span> <a class="code" href="classegamma.html#de84faac8f9799dfe2777ddbedf997ef" title="TODO: is it used anywhere?">evalpdflog</a> ( <span class="keyword">const</span> vec &val ) <span class="keyword">const</span>; |
227 | | <a name="l00321"></a>00321 <span class="keywordtype">double</span> <a class="code" href="classegamma.html#d6dbbdb72360f9e54d64501f80318bb6" title="logarithm of the normalizing constant, ">lognc</a> () <span class="keyword">const</span>; |
228 | | <a name="l00323"></a><a class="code" href="classegamma.html#44445c56e60b91b377f207f8d5089790">00323</a> <span class="keywordtype">void</span> <a class="code" href="classegamma.html#44445c56e60b91b377f207f8d5089790" title="Returns poiter to alpha and beta. Potentially dengerous: use with care!">_param</a> ( vec* &a, vec* &b ) {a=&<a class="code" href="classegamma.html#376cebd8932546c440f21b182910b01b" title="Vector .">alpha</a>;b=&<a class="code" href="classegamma.html#cfc5f136467488a421ab22f886323790" title="Vector .">beta</a>;}; |
229 | | <a name="l00324"></a><a class="code" href="classegamma.html#6ab5ba56f7cdb2e5921c3e77524fa50a">00324</a> vec <a class="code" href="classegamma.html#6ab5ba56f7cdb2e5921c3e77524fa50a" title="return expected value">mean</a>()<span class="keyword"> const </span>{vec pom ( <a class="code" href="classegamma.html#376cebd8932546c440f21b182910b01b" title="Vector .">alpha</a> ); pom/=<a class="code" href="classegamma.html#cfc5f136467488a421ab22f886323790" title="Vector .">beta</a>; <span class="keywordflow">return</span> pom;} |
230 | | <a name="l00325"></a>00325 }; |
231 | | <a name="l00326"></a>00326 <span class="comment">/*</span> |
232 | | <a name="l00328"></a>00328 <span class="comment">class emix : public epdf {</span> |
233 | | <a name="l00329"></a>00329 <span class="comment">protected:</span> |
234 | | <a name="l00330"></a>00330 <span class="comment"> int n;</span> |
235 | | <a name="l00331"></a>00331 <span class="comment"> vec &w;</span> |
236 | | <a name="l00332"></a>00332 <span class="comment"> Array<epdf*> Coms;</span> |
237 | | <a name="l00333"></a>00333 <span class="comment">public:</span> |
238 | | <a name="l00335"></a>00335 <span class="comment"> emix ( const RV &rv, vec &w0): epdf(rv), n(w0.length()), w(w0), Coms(n) {};</span> |
239 | | <a name="l00336"></a>00336 <span class="comment"> void set_parameters( int &i, double wi, epdf* ep){w(i)=wi;Coms(i)=ep;}</span> |
240 | | <a name="l00337"></a>00337 <span class="comment"> vec mean(){vec pom; for(int i=0;i<n;i++){pom+=Coms(i)->mean()*w(i);} return pom;};</span> |
241 | | <a name="l00338"></a>00338 <span class="comment"> vec sample() {it_error ( "Not implemented" );return 0;}</span> |
242 | | <a name="l00339"></a>00339 <span class="comment">};</span> |
243 | | <a name="l00340"></a>00340 <span class="comment">*/</span> |
244 | | <a name="l00341"></a>00341 |
245 | | <a name="l00343"></a>00343 |
246 | | <a name="l00344"></a><a class="code" href="classeuni.html">00344</a> <span class="keyword">class </span><a class="code" href="classeuni.html" title="Uniform distributed density on a rectangular support.">euni</a>: <span class="keyword">public</span> <a class="code" href="classepdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a> { |
247 | | <a name="l00345"></a>00345 <span class="keyword">protected</span>: |
248 | | <a name="l00347"></a><a class="code" href="classeuni.html#ef42cd8d7645422048d46c46ec5cdac1">00347</a> vec <a class="code" href="classeuni.html#ef42cd8d7645422048d46c46ec5cdac1" title="lower bound on support">low</a>; |
249 | | <a name="l00349"></a><a class="code" href="classeuni.html#71b6d6b41aeb61a7f76f682b72119231">00349</a> vec <a class="code" href="classeuni.html#71b6d6b41aeb61a7f76f682b72119231" title="upper bound on support">high</a>; |
250 | | <a name="l00351"></a><a class="code" href="classeuni.html#52a6ff4a54010f88a6a19fca605c64a4">00351</a> vec <a class="code" href="classeuni.html#52a6ff4a54010f88a6a19fca605c64a4" title="internal">distance</a>; |
251 | | <a name="l00353"></a><a class="code" href="classeuni.html#63105490e946e43372d6187ad1bafdda">00353</a> <span class="keywordtype">double</span> <a class="code" href="classeuni.html#63105490e946e43372d6187ad1bafdda" title="normalizing coefficients">nk</a>; |
252 | | <a name="l00355"></a><a class="code" href="classeuni.html#f445a0ce24f39d14c1a4eed53fc8e2c3">00355</a> <span class="keywordtype">double</span> <a class="code" href="classeuni.html#f445a0ce24f39d14c1a4eed53fc8e2c3" title="cache of log( nk )">lnk</a>; |
253 | | <a name="l00356"></a>00356 <span class="keyword">public</span>: |
254 | | <a name="l00358"></a><a class="code" href="classeuni.html#2537a6c239cff52e3ba814851a1116cd">00358</a> <a class="code" href="classeuni.html#2537a6c239cff52e3ba814851a1116cd" title="Defualt constructor.">euni</a> ( <span class="keyword">const</span> <a class="code" href="classRV.html" title="Class representing variables, most often random variables.">RV</a> <a class="code" href="classepdf.html#74da992e3f5d598da8850b646b79b9d9" title="Identified of the random variable.">rv</a> ) :<a class="code" href="classepdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a> ( rv ) {} |
255 | | <a name="l00359"></a>00359 <span class="keywordtype">double</span> eval ( <span class="keyword">const</span> vec &val )<span class="keyword"> const </span>{<span class="keywordflow">return</span> <a class="code" href="classeuni.html#63105490e946e43372d6187ad1bafdda" title="normalizing coefficients">nk</a>;} |
256 | | <a name="l00360"></a><a class="code" href="classeuni.html#06af95d514a6623ad4688bd2ad50ad71">00360</a> <span class="keywordtype">double</span> <a class="code" href="classeuni.html#06af95d514a6623ad4688bd2ad50ad71" title="Compute log-probability of argument val.">evalpdflog</a> ( <span class="keyword">const</span> vec &val )<span class="keyword"> const </span>{<span class="keywordflow">return</span> <a class="code" href="classeuni.html#f445a0ce24f39d14c1a4eed53fc8e2c3" title="cache of log( nk )">lnk</a>;} |
257 | | <a name="l00361"></a><a class="code" href="classeuni.html#4a0e09392be17beaee120ba98fc038cd">00361</a> vec <a class="code" href="classeuni.html#4a0e09392be17beaee120ba98fc038cd" title="Returns a sample, from density .">sample</a>()<span class="keyword"> const </span>{ |
258 | | <a name="l00362"></a>00362 vec smp ( <a class="code" href="classepdf.html#74da992e3f5d598da8850b646b79b9d9" title="Identified of the random variable.">rv</a>.<a class="code" href="classRV.html#f5c7b8bd589eef09ccdf3329a0addea0" title="Return number of scalars in the RV.">count</a>() ); |
259 | | <a name="l00363"></a>00363 <span class="preprocessor">#pragma omp critical</span> |
260 | | <a name="l00364"></a>00364 <span class="preprocessor"></span> UniRNG.sample_vector ( <a class="code" href="classepdf.html#74da992e3f5d598da8850b646b79b9d9" title="Identified of the random variable.">rv</a>.<a class="code" href="classRV.html#f5c7b8bd589eef09ccdf3329a0addea0" title="Return number of scalars in the RV.">count</a>(),smp ); |
261 | | <a name="l00365"></a>00365 <span class="keywordflow">return</span> <a class="code" href="classeuni.html#ef42cd8d7645422048d46c46ec5cdac1" title="lower bound on support">low</a>+elem_mult ( <a class="code" href="classeuni.html#52a6ff4a54010f88a6a19fca605c64a4" title="internal">distance</a>,smp ); |
262 | | <a name="l00366"></a>00366 } |
263 | | <a name="l00368"></a><a class="code" href="classeuni.html#4fd7c6a05100616ad16ece405cad7bf2">00368</a> <span class="keywordtype">void</span> <a class="code" href="classeuni.html#4fd7c6a05100616ad16ece405cad7bf2" title="set values of low and high ">set_parameters</a> ( <span class="keyword">const</span> vec &low0, <span class="keyword">const</span> vec &high0 ) { |
264 | | <a name="l00369"></a>00369 <a class="code" href="classeuni.html#52a6ff4a54010f88a6a19fca605c64a4" title="internal">distance</a> = high0-low0; |
265 | | <a name="l00370"></a>00370 it_assert_debug ( min ( <a class="code" href="classeuni.html#52a6ff4a54010f88a6a19fca605c64a4" title="internal">distance</a> ) >0.0,<span class="stringliteral">"bad support"</span> ); |
266 | | <a name="l00371"></a>00371 <a class="code" href="classeuni.html#ef42cd8d7645422048d46c46ec5cdac1" title="lower bound on support">low</a> = low0; |
267 | | <a name="l00372"></a>00372 <a class="code" href="classeuni.html#71b6d6b41aeb61a7f76f682b72119231" title="upper bound on support">high</a> = high0; |
268 | | <a name="l00373"></a>00373 <a class="code" href="classeuni.html#63105490e946e43372d6187ad1bafdda" title="normalizing coefficients">nk</a> = prod ( 1.0/<a class="code" href="classeuni.html#52a6ff4a54010f88a6a19fca605c64a4" title="internal">distance</a> ); |
269 | | <a name="l00374"></a>00374 <a class="code" href="classeuni.html#f445a0ce24f39d14c1a4eed53fc8e2c3" title="cache of log( nk )">lnk</a> = log ( <a class="code" href="classeuni.html#63105490e946e43372d6187ad1bafdda" title="normalizing coefficients">nk</a> ); |
270 | | <a name="l00375"></a>00375 } |
271 | | <a name="l00376"></a><a class="code" href="classeuni.html#8050087e421a9cfd1b4b1f8bd33b1cc1">00376</a> vec <a class="code" href="classeuni.html#8050087e421a9cfd1b4b1f8bd33b1cc1" title="return expected value">mean</a>()<span class="keyword"> const </span>{vec pom=<a class="code" href="classeuni.html#71b6d6b41aeb61a7f76f682b72119231" title="upper bound on support">high</a>; pom-=<a class="code" href="classeuni.html#ef42cd8d7645422048d46c46ec5cdac1" title="lower bound on support">low</a>; pom/=2.0; <span class="keywordflow">return</span> pom;} |
272 | | <a name="l00377"></a>00377 }; |
273 | | <a name="l00378"></a>00378 |
274 | | <a name="l00379"></a>00379 |
275 | | <a name="l00385"></a>00385 <span class="keyword">template</span><<span class="keyword">class</span> sq_T> |
276 | | <a name="l00386"></a><a class="code" href="classmlnorm.html">00386</a> <span class="keyword">class </span><a class="code" href="classmlnorm.html" title="Normal distributed linear function with linear function of mean value;.">mlnorm</a> : <span class="keyword">public</span> <a class="code" href="classmEF.html" title="Exponential family model.">mEF</a> { |
277 | | <a name="l00387"></a>00387 <span class="keyword">protected</span>: |
278 | | <a name="l00389"></a><a class="code" href="classmlnorm.html#b76ee2171ace4fb3ff95a131ae8fc421">00389</a> <a class="code" href="classenorm.html" title="Gaussian density with positive definite (decomposed) covariance matrix.">enorm<sq_T></a> <a class="code" href="classepdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a>; |
279 | | <a name="l00390"></a>00390 mat A; |
280 | | <a name="l00391"></a>00391 vec mu_const; |
281 | | <a name="l00392"></a>00392 vec& _mu; <span class="comment">//cached epdf.mu;</span> |
282 | | <a name="l00393"></a>00393 <span class="keyword">public</span>: |
283 | | <a name="l00395"></a>00395 <a class="code" href="classmlnorm.html#3a5ad4798d8a3878c5e93b8e796c8837" title="Constructor.">mlnorm</a> ( <span class="keyword">const</span> <a class="code" href="classRV.html" title="Class representing variables, most often random variables.">RV</a> &<a class="code" href="classmpdf.html#f6687c07ff07d47812dd565368ca59eb" title="modeled random variable">rv</a>, <span class="keyword">const</span> <a class="code" href="classRV.html" title="Class representing variables, most often random variables.">RV</a> &<a class="code" href="classmpdf.html#acb7dda792b3cd5576f39fa3129abbab" title="random variable in condition">rvc</a> ); |
284 | | <a name="l00397"></a>00397 <span class="keywordtype">void</span> <a class="code" href="classmlnorm.html#f95dfce0b500636a44ecd7e5210de999" title="Set A and R.">set_parameters</a> ( <span class="keyword">const</span> mat &A, <span class="keyword">const</span> vec &mu0, <span class="keyword">const</span> sq_T &R ); |
285 | | <a name="l00398"></a>00398 <span class="comment">// //!Generate one sample of the posterior</span> |
286 | | <a name="l00399"></a>00399 <span class="comment">// vec samplecond (const vec &cond, double &lik );</span> |
287 | | <a name="l00400"></a>00400 <span class="comment">// //!Generate matrix of samples of the posterior</span> |
288 | | <a name="l00401"></a>00401 <span class="comment">// mat samplecond (const vec &cond, vec &lik, int n );</span> |
289 | | <a name="l00403"></a>00403 <span class="comment"></span> <span class="keywordtype">void</span> <a class="code" href="classmlnorm.html#d41126455ac64b888a38f677886e1b40" title="Set value of rvc . Result of this operation is stored in epdf use function _ep to...">condition</a> ( <span class="keyword">const</span> vec &cond ); |
290 | | <a name="l00404"></a>00404 |
291 | | <a name="l00406"></a><a class="code" href="classmlnorm.html#2732ae47835dd25d5784bf08fde0a546">00406</a> vec& <a class="code" href="classmlnorm.html#2732ae47835dd25d5784bf08fde0a546" title="access function">_mu_const</a>() {<span class="keywordflow">return</span> mu_const;} |
292 | | <a name="l00408"></a><a class="code" href="classmlnorm.html#65ec3840c21b21102896bfd2282b47b3">00408</a> mat& <a class="code" href="classmlnorm.html#65ec3840c21b21102896bfd2282b47b3" title="access function">_A</a>() {<span class="keywordflow">return</span> A;} |
293 | | <a name="l00410"></a><a class="code" href="classmlnorm.html#3ff2b03fbb5e1133a5fe1bf831939f63">00410</a> mat <a class="code" href="classmlnorm.html#3ff2b03fbb5e1133a5fe1bf831939f63" title="access function">_R</a>() {<span class="keywordflow">return</span> <a class="code" href="classepdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a>._R().to_mat();} |
294 | | <a name="l00411"></a>00411 |
295 | | <a name="l00412"></a>00412 <span class="keyword">template</span><<span class="keyword">class</span> sq_M> |
296 | | <a name="l00413"></a>00413 <span class="keyword">friend</span> std::ostream &operator<< ( std::ostream &os, mlnorm<sq_M> &ml ); |
297 | | <a name="l00414"></a>00414 }; |
298 | | <a name="l00415"></a>00415 |
299 | | <a name="l00418"></a><a class="code" href="classmlstudent.html">00418</a> <span class="keyword">class </span><a class="code" href="classmlstudent.html">mlstudent</a> : <span class="keyword">public</span> <a class="code" href="classmlnorm.html" title="Normal distributed linear function with linear function of mean value;.">mlnorm</a><ldmat> { |
300 | | <a name="l00419"></a>00419 <span class="keyword">protected</span>: |
301 | | <a name="l00420"></a>00420 <a class="code" href="classldmat.html" title="Matrix stored in LD form, (commonly known as UD).">ldmat</a> Lambda; |
302 | | <a name="l00421"></a>00421 <a class="code" href="classldmat.html" title="Matrix stored in LD form, (commonly known as UD).">ldmat</a> &<a class="code" href="classmlnorm.html#3ff2b03fbb5e1133a5fe1bf831939f63" title="access function">_R</a>; |
303 | | <a name="l00422"></a>00422 <a class="code" href="classldmat.html" title="Matrix stored in LD form, (commonly known as UD).">ldmat</a> Re; |
304 | | <a name="l00423"></a>00423 <span class="keyword">public</span>: |
305 | | <a name="l00424"></a>00424 <a class="code" href="classmlstudent.html">mlstudent</a> ( <span class="keyword">const</span> <a class="code" href="classRV.html" title="Class representing variables, most often random variables.">RV</a> &rv0, <span class="keyword">const</span> <a class="code" href="classRV.html" title="Class representing variables, most often random variables.">RV</a> &rvc0 ) :<a class="code" href="classmlnorm.html" title="Normal distributed linear function with linear function of mean value;.">mlnorm<ldmat></a> ( rv0,rvc0 ), |
306 | | <a name="l00425"></a>00425 Lambda ( rv0.<a class="code" href="classRV.html#f5c7b8bd589eef09ccdf3329a0addea0" title="Return number of scalars in the RV.">count</a>() ), |
307 | | <a name="l00426"></a>00426 <a class="code" href="classmlnorm.html#3ff2b03fbb5e1133a5fe1bf831939f63" title="access function">_R</a> ( <a class="code" href="classepdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a>._R() ) {} |
308 | | <a name="l00427"></a>00427 <span class="keywordtype">void</span> set_parameters ( <span class="keyword">const</span> mat &A0, <span class="keyword">const</span> vec &mu0, <span class="keyword">const</span> <a class="code" href="classldmat.html" title="Matrix stored in LD form, (commonly known as UD).">ldmat</a> &R0, <span class="keyword">const</span> <a class="code" href="classldmat.html" title="Matrix stored in LD form, (commonly known as UD).">ldmat</a>& Lambda0) { |
309 | | <a name="l00428"></a>00428 <a class="code" href="classepdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a>.set_parameters ( zeros ( <a class="code" href="classmpdf.html#f6687c07ff07d47812dd565368ca59eb" title="modeled random variable">rv</a>.<a class="code" href="classRV.html#f5c7b8bd589eef09ccdf3329a0addea0" title="Return number of scalars in the RV.">count</a>() ),Lambda ); |
310 | | <a name="l00429"></a>00429 A = A0; |
311 | | <a name="l00430"></a>00430 mu_const = mu0; |
312 | | <a name="l00431"></a>00431 Re=R0; |
313 | | <a name="l00432"></a>00432 Lambda = Lambda0; |
314 | | <a name="l00433"></a>00433 } |
315 | | <a name="l00434"></a><a class="code" href="classmlstudent.html#d153460ae0180f4bc7f28301f5cde876">00434</a> <span class="keywordtype">void</span> <a class="code" href="classmlstudent.html#d153460ae0180f4bc7f28301f5cde876" title="Set value of rvc . Result of this operation is stored in epdf use function _ep to...">condition</a> ( <span class="keyword">const</span> vec &cond ) { |
316 | | <a name="l00435"></a>00435 _mu = A*cond + mu_const; |
317 | | <a name="l00436"></a>00436 <span class="keywordtype">double</span> zeta; |
318 | | <a name="l00437"></a>00437 <span class="comment">//ugly hack!</span> |
319 | | <a name="l00438"></a>00438 <span class="keywordflow">if</span> ((cond.length()+1)==Lambda.<a class="code" href="classldmat.html#96dfb21865db4f5bd36fa70f9b0b1163" title="access function">rows</a>()){ |
320 | | <a name="l00439"></a>00439 zeta = Lambda.<a class="code" href="classldmat.html#d876c5f83e02b3e809b35c9de5068f14" title="Evaluates quadratic form ;.">invqform</a> ( concat(cond, vec_1(1.0)) ); |
321 | | <a name="l00440"></a>00440 } <span class="keywordflow">else</span> { |
322 | | <a name="l00441"></a>00441 zeta = Lambda.<a class="code" href="classldmat.html#d876c5f83e02b3e809b35c9de5068f14" title="Evaluates quadratic form ;.">invqform</a> ( cond ); |
323 | | <a name="l00442"></a>00442 } |
324 | | <a name="l00443"></a>00443 <a class="code" href="classmlnorm.html#3ff2b03fbb5e1133a5fe1bf831939f63" title="access function">_R</a> = Re; |
325 | | <a name="l00444"></a>00444 <a class="code" href="classmlnorm.html#3ff2b03fbb5e1133a5fe1bf831939f63" title="access function">_R</a>*=( 1+zeta );<span class="comment">// / ( nu ); << nu is in Re!!!!!!</span> |
326 | | <a name="l00445"></a>00445 }; |
327 | | <a name="l00446"></a>00446 |
328 | | <a name="l00447"></a>00447 }; |
329 | | <a name="l00457"></a><a class="code" href="classmgamma.html">00457</a> <span class="keyword">class </span><a class="code" href="classmgamma.html" title="Gamma random walk.">mgamma</a> : <span class="keyword">public</span> <a class="code" href="classmEF.html" title="Exponential family model.">mEF</a> { |
330 | | <a name="l00458"></a>00458 <span class="keyword">protected</span>: |
331 | | <a name="l00460"></a><a class="code" href="classmgamma.html#612dbf35c770a780027619aaac2c443e">00460</a> <a class="code" href="classegamma.html" title="Gamma posterior density.">egamma</a> <a class="code" href="classepdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a>; |
332 | | <a name="l00462"></a><a class="code" href="classmgamma.html#43f733cce0245a52363d566099add687">00462</a> <span class="keywordtype">double</span> <a class="code" href="classmgamma.html#43f733cce0245a52363d566099add687" title="Constant .">k</a>; |
333 | | <a name="l00464"></a><a class="code" href="classmgamma.html#5e90652837448bcc29707e7412f99691">00464</a> vec* <a class="code" href="classmgamma.html#5e90652837448bcc29707e7412f99691" title="cache of epdf.beta">_beta</a>; |
334 | | <a name="l00465"></a>00465 |
335 | | <a name="l00466"></a>00466 <span class="keyword">public</span>: |
336 | | <a name="l00468"></a>00468 <a class="code" href="classmgamma.html#af43e61b86900c0398d5c0ffc83b94e6" title="Constructor.">mgamma</a> ( <span class="keyword">const</span> <a class="code" href="classRV.html" title="Class representing variables, most often random variables.">RV</a> &<a class="code" href="classmpdf.html#f6687c07ff07d47812dd565368ca59eb" title="modeled random variable">rv</a>,<span class="keyword">const</span> <a class="code" href="classRV.html" title="Class representing variables, most often random variables.">RV</a> &<a class="code" href="classmpdf.html#acb7dda792b3cd5576f39fa3129abbab" title="random variable in condition">rvc</a> ); |
337 | | <a name="l00470"></a>00470 <span class="keywordtype">void</span> <a class="code" href="classmgamma.html#a9d646cf758a70126dde7c48790b6e94" title="Set value of k.">set_parameters</a> ( <span class="keywordtype">double</span> <a class="code" href="classmgamma.html#43f733cce0245a52363d566099add687" title="Constant .">k</a> ); |
338 | | <a name="l00471"></a><a class="code" href="classmgamma.html#a61094c9f7a2d64ea77b130cbc031f97">00471</a> <span class="keywordtype">void</span> <a class="code" href="classmgamma.html#a61094c9f7a2d64ea77b130cbc031f97" title="Update ep so that it represents this mpdf conditioned on rvc = cond.">condition</a> ( <span class="keyword">const</span> vec &val ) {*<a class="code" href="classmgamma.html#5e90652837448bcc29707e7412f99691" title="cache of epdf.beta">_beta</a>=<a class="code" href="classmgamma.html#43f733cce0245a52363d566099add687" title="Constant .">k</a>/val;}; |
339 | | <a name="l00472"></a>00472 }; |
340 | | <a name="l00473"></a>00473 |
341 | | <a name="l00485"></a><a class="code" href="classmgamma__fix.html">00485</a> <span class="keyword">class </span><a class="code" href="classmgamma__fix.html" title="Gamma random walk around a fixed point.">mgamma_fix</a> : <span class="keyword">public</span> <a class="code" href="classmgamma.html" title="Gamma random walk.">mgamma</a> { |
342 | | <a name="l00486"></a>00486 <span class="keyword">protected</span>: |
343 | | <a name="l00488"></a><a class="code" href="classmgamma__fix.html#3f48c09caddc298901ad75fe7c0529f6">00488</a> <span class="keywordtype">double</span> <a class="code" href="classmgamma__fix.html#3f48c09caddc298901ad75fe7c0529f6" title="parameter l">l</a>; |
344 | | <a name="l00490"></a><a class="code" href="classmgamma__fix.html#81ce49029ecc385418619b200dcafeb0">00490</a> vec <a class="code" href="classmgamma__fix.html#81ce49029ecc385418619b200dcafeb0" title="reference vector">refl</a>; |
345 | | <a name="l00491"></a>00491 <span class="keyword">public</span>: |
346 | | <a name="l00493"></a><a class="code" href="classmgamma__fix.html#b92c3d2e5fd0381033a072e5ef3bcf80">00493</a> <a class="code" href="classmgamma__fix.html#b92c3d2e5fd0381033a072e5ef3bcf80" title="Constructor.">mgamma_fix</a> ( <span class="keyword">const</span> <a class="code" href="classRV.html" title="Class representing variables, most often random variables.">RV</a> &<a class="code" href="classmpdf.html#f6687c07ff07d47812dd565368ca59eb" title="modeled random variable">rv</a>,<span class="keyword">const</span> <a class="code" href="classRV.html" title="Class representing variables, most often random variables.">RV</a> &<a class="code" href="classmpdf.html#acb7dda792b3cd5576f39fa3129abbab" title="random variable in condition">rvc</a> ) : <a class="code" href="classmgamma.html" title="Gamma random walk.">mgamma</a> ( rv,rvc ),<a class="code" href="classmgamma__fix.html#81ce49029ecc385418619b200dcafeb0" title="reference vector">refl</a> ( rv.count() ) {}; |
347 | | <a name="l00495"></a><a class="code" href="classmgamma__fix.html#ec6f846896749e27cb7be9fa48dd1cb1">00495</a> <span class="keywordtype">void</span> <a class="code" href="classmgamma__fix.html#ec6f846896749e27cb7be9fa48dd1cb1" title="Set value of k.">set_parameters</a> ( <span class="keywordtype">double</span> k0 , vec ref0, <span class="keywordtype">double</span> l0 ) { |
348 | | <a name="l00496"></a>00496 <a class="code" href="classmgamma.html#a9d646cf758a70126dde7c48790b6e94" title="Set value of k.">mgamma::set_parameters</a> ( k0 ); |
349 | | <a name="l00497"></a>00497 <a class="code" href="classmgamma__fix.html#81ce49029ecc385418619b200dcafeb0" title="reference vector">refl</a>=pow ( ref0,1.0-l0 );<a class="code" href="classmgamma__fix.html#3f48c09caddc298901ad75fe7c0529f6" title="parameter l">l</a>=l0; |
350 | | <a name="l00498"></a>00498 }; |
351 | | <a name="l00499"></a>00499 |
352 | | <a name="l00500"></a><a class="code" href="classmgamma__fix.html#6ea3931eec7b7da7b693e45981052460">00500</a> <span class="keywordtype">void</span> <a class="code" href="classmgamma__fix.html#6ea3931eec7b7da7b693e45981052460" title="Update ep so that it represents this mpdf conditioned on rvc = cond.">condition</a> ( <span class="keyword">const</span> vec &val ) {vec mean=elem_mult ( <a class="code" href="classmgamma__fix.html#81ce49029ecc385418619b200dcafeb0" title="reference vector">refl</a>,pow ( val,<a class="code" href="classmgamma__fix.html#3f48c09caddc298901ad75fe7c0529f6" title="parameter l">l</a> ) ); *<a class="code" href="classmgamma.html#5e90652837448bcc29707e7412f99691" title="cache of epdf.beta">_beta</a>=<a class="code" href="classmgamma.html#43f733cce0245a52363d566099add687" title="Constant .">k</a>/mean;}; |
353 | | <a name="l00501"></a>00501 }; |
354 | | <a name="l00502"></a>00502 |
355 | | <a name="l00504"></a><a class="code" href="libEF_8h.html#99497a3ff630f761cf6bff7babd23212">00504</a> <span class="keyword">enum</span> <a class="code" href="libEF_8h.html#99497a3ff630f761cf6bff7babd23212" title="Switch between various resampling methods.">RESAMPLING_METHOD</a> { MULTINOMIAL = 0, STRATIFIED = 1, SYSTEMATIC = 3 }; |
356 | | <a name="l00510"></a><a class="code" href="classeEmp.html">00510</a> <span class="keyword">class </span><a class="code" href="classeEmp.html" title="Weighted empirical density.">eEmp</a>: <span class="keyword">public</span> <a class="code" href="classepdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a> { |
357 | | <a name="l00511"></a>00511 <span class="keyword">protected</span> : |
358 | | <a name="l00513"></a><a class="code" href="classeEmp.html#8c33034de0e35f03f8bb85d3d67438fd">00513</a> <span class="keywordtype">int</span> <a class="code" href="classeEmp.html#8c33034de0e35f03f8bb85d3d67438fd" title="Number of particles.">n</a>; |
359 | | <a name="l00515"></a><a class="code" href="classeEmp.html#ae78d144404ddba843c93b171b215de8">00515</a> vec <a class="code" href="classeEmp.html#ae78d144404ddba843c93b171b215de8" title="Sample weights .">w</a>; |
360 | | <a name="l00517"></a><a class="code" href="classeEmp.html#a4d6f4bbd6a6824fc39f14676701279a">00517</a> Array<vec> <a class="code" href="classeEmp.html#a4d6f4bbd6a6824fc39f14676701279a" title="Samples .">samples</a>; |
361 | | <a name="l00518"></a>00518 <span class="keyword">public</span>: |
362 | | <a name="l00520"></a><a class="code" href="classeEmp.html#0c04b073ecd0dae3d498e680ae27e9e4">00520</a> <a class="code" href="classeEmp.html#0c04b073ecd0dae3d498e680ae27e9e4" title="Default constructor.">eEmp</a> ( <span class="keyword">const</span> <a class="code" href="classRV.html" title="Class representing variables, most often random variables.">RV</a> &rv0 ,<span class="keywordtype">int</span> n0 ) :<a class="code" href="classepdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a> ( rv0 ),<a class="code" href="classeEmp.html#8c33034de0e35f03f8bb85d3d67438fd" title="Number of particles.">n</a> ( n0 ),<a class="code" href="classeEmp.html#ae78d144404ddba843c93b171b215de8" title="Sample weights .">w</a> ( <a class="code" href="classeEmp.html#8c33034de0e35f03f8bb85d3d67438fd" title="Number of particles.">n</a> ),<a class="code" href="classeEmp.html#a4d6f4bbd6a6824fc39f14676701279a" title="Samples .">samples</a> ( <a class="code" href="classeEmp.html#8c33034de0e35f03f8bb85d3d67438fd" title="Number of particles.">n</a> ) {}; |
363 | | <a name="l00522"></a>00522 <span class="keywordtype">void</span> <a class="code" href="classeEmp.html#eab03bd3381aaea11ce34d5a26556353" title="Set samples and weights.">set_parameters</a> ( <span class="keyword">const</span> vec &w0, <span class="keyword">const</span> <a class="code" href="classepdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a>* pdf0 ); |
364 | | <a name="l00524"></a>00524 <span class="keywordtype">void</span> <a class="code" href="classeEmp.html#e31bc9e6196173c3480b06a761a3e716" title="Set sample.">set_samples</a> ( <span class="keyword">const</span> <a class="code" href="classepdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a>* pdf0 ); |
365 | | <a name="l00526"></a><a class="code" href="classeEmp.html#a4215f6a5a04d07b43f7ebaa942e15f1">00526</a> <span class="keywordtype">void</span> <a class="code" href="classeEmp.html#a4215f6a5a04d07b43f7ebaa942e15f1" title="Set sample.">set_n</a> ( <span class="keywordtype">int</span> n0, <span class="keywordtype">bool</span> copy=<span class="keyword">true</span> ){<a class="code" href="classeEmp.html#ae78d144404ddba843c93b171b215de8" title="Sample weights .">w</a>.set_size(n0,copy);<a class="code" href="classeEmp.html#a4d6f4bbd6a6824fc39f14676701279a" title="Samples .">samples</a>.set_size(n0,copy);}; |
366 | | <a name="l00528"></a><a class="code" href="classeEmp.html#31b2bfb73b72486a5c89f2ab850c7a9b">00528</a> vec& <a class="code" href="classeEmp.html#31b2bfb73b72486a5c89f2ab850c7a9b" title="Potentially dangerous, use with care.">_w</a>() {<span class="keywordflow">return</span> <a class="code" href="classeEmp.html#ae78d144404ddba843c93b171b215de8" title="Sample weights .">w</a>;}; |
367 | | <a name="l00530"></a><a class="code" href="classeEmp.html#d6f4ae1a67ecd2bff8b9f176ee261afc">00530</a> <span class="keyword">const</span> vec& <a class="code" href="classeEmp.html#31b2bfb73b72486a5c89f2ab850c7a9b" title="Potentially dangerous, use with care.">_w</a>()<span class="keyword"> const </span>{<span class="keywordflow">return</span> <a class="code" href="classeEmp.html#ae78d144404ddba843c93b171b215de8" title="Sample weights .">w</a>;}; |
368 | | <a name="l00532"></a><a class="code" href="classeEmp.html#31b747eca73b16f30370827ba4cc3575">00532</a> Array<vec>& <a class="code" href="classeEmp.html#31b747eca73b16f30370827ba4cc3575" title="access function">_samples</a>() {<span class="keywordflow">return</span> <a class="code" href="classeEmp.html#a4d6f4bbd6a6824fc39f14676701279a" title="Samples .">samples</a>;}; |
369 | | <a name="l00534"></a><a class="code" href="classeEmp.html#bd48c1c36e2e9e78dbcea7df66dcbf25">00534</a> <span class="keyword">const</span> Array<vec>& <a class="code" href="classeEmp.html#31b747eca73b16f30370827ba4cc3575" title="access function">_samples</a>()<span class="keyword"> const </span>{<span class="keywordflow">return</span> <a class="code" href="classeEmp.html#a4d6f4bbd6a6824fc39f14676701279a" title="Samples .">samples</a>;}; |
370 | | <a name="l00536"></a>00536 ivec <a class="code" href="classeEmp.html#77268292fc4465cb73ddbfb1f2932a59" title="Function performs resampling, i.e. removal of low-weight samples and duplication...">resample</a> ( <a class="code" href="libEF_8h.html#99497a3ff630f761cf6bff7babd23212" title="Switch between various resampling methods.">RESAMPLING_METHOD</a> method = SYSTEMATIC ); |
371 | | <a name="l00538"></a><a class="code" href="classeEmp.html#83f9283f92b805508d896479dc1ccf12">00538</a> vec <a class="code" href="classeEmp.html#83f9283f92b805508d896479dc1ccf12" title="inherited operation : NOT implemneted">sample</a>()<span class="keyword"> const </span>{it_error ( <span class="stringliteral">"Not implemented"</span> );<span class="keywordflow">return</span> 0;} |
372 | | <a name="l00540"></a><a class="code" href="classeEmp.html#23e7358995400865ad2e278945922fb3">00540</a> <span class="keywordtype">double</span> <a class="code" href="classeEmp.html#23e7358995400865ad2e278945922fb3" title="inherited operation : NOT implemneted">evalpdflog</a> ( <span class="keyword">const</span> vec &val )<span class="keyword"> const </span>{it_error ( <span class="stringliteral">"Not implemented"</span> );<span class="keywordflow">return</span> 0.0;} |
373 | | <a name="l00541"></a><a class="code" href="classeEmp.html#ba055c19038cc72628d98e25197e982d">00541</a> vec <a class="code" href="classeEmp.html#ba055c19038cc72628d98e25197e982d" title="return expected value">mean</a>()<span class="keyword"> const </span>{ |
374 | | <a name="l00542"></a>00542 vec pom=zeros ( <a class="code" href="classepdf.html#74da992e3f5d598da8850b646b79b9d9" title="Identified of the random variable.">rv</a>.<a class="code" href="classRV.html#f5c7b8bd589eef09ccdf3329a0addea0" title="Return number of scalars in the RV.">count</a>() ); |
375 | | <a name="l00543"></a>00543 <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i=0;i<<a class="code" href="classeEmp.html#8c33034de0e35f03f8bb85d3d67438fd" title="Number of particles.">n</a>;i++ ) {pom+=<a class="code" href="classeEmp.html#a4d6f4bbd6a6824fc39f14676701279a" title="Samples .">samples</a> ( i ) *<a class="code" href="classeEmp.html#ae78d144404ddba843c93b171b215de8" title="Sample weights .">w</a> ( i );} |
376 | | <a name="l00544"></a>00544 <span class="keywordflow">return</span> pom; |
377 | | <a name="l00545"></a>00545 } |
378 | | <a name="l00546"></a>00546 }; |
379 | | <a name="l00547"></a>00547 |
380 | | <a name="l00548"></a>00548 |
381 | | <a name="l00550"></a>00550 |
382 | | <a name="l00551"></a>00551 <span class="keyword">template</span><<span class="keyword">class</span> sq_T> |
383 | | <a name="l00552"></a><a class="code" href="classenorm.html#0caf54fed9e48f9fe28b534b2027df2f">00552</a> <a class="code" href="classenorm.html#0caf54fed9e48f9fe28b534b2027df2f" title="Default constructor.">enorm<sq_T>::enorm</a> ( <span class="keyword">const</span> <a class="code" href="classRV.html" title="Class representing variables, most often random variables.">RV</a> &rv ) :<a class="code" href="classeEF.html" title="General conjugate exponential family posterior density.">eEF</a> ( rv ), mu ( rv.count() ),R ( rv.count() ),dim ( rv.count() ) {}; |
| 105 | <a name="l00147"></a>00147 <span class="keyword">const</span> sq_T& <a class="code" href="classenorm.html#7a5034b25771a84450a990d10fc40ac9" title="returns pointers to the internal variance and its inverse. Use with Care!">_R</a>()<span class="keyword"> const </span>{<span class="keywordflow">return</span> <a class="code" href="classenorm.html#4ccc8d8514d644ef1c98d8ab023748a1" title="Covariance matrix in decomposed form.">R</a>;} |
| 106 | <a name="l00148"></a>00148 |
| 107 | <a name="l00150"></a>00150 <span class="comment">// mat getR () {return R.to_mat();}</span> |
| 108 | <a name="l00151"></a>00151 }; |
| 109 | <a name="l00152"></a>00152 |
| 110 | <a name="l00159"></a><a class="code" href="classegiw.html">00159</a> <span class="keyword">class </span><a class="code" href="classegiw.html" title="Gauss-inverse-Wishart density stored in LD form.">egiw</a> : <span class="keyword">public</span> <a class="code" href="classeEF.html" title="General conjugate exponential family posterior density.">eEF</a> { |
| 111 | <a name="l00160"></a>00160 <span class="keyword">protected</span>: |
| 112 | <a name="l00162"></a><a class="code" href="classegiw.html#f343d03ede89db820edf44a6297fa442">00162</a> <a class="code" href="classldmat.html" title="Matrix stored in LD form, (commonly known as UD).">ldmat</a> <a class="code" href="classegiw.html#f343d03ede89db820edf44a6297fa442" title="Extended information matrix of sufficient statistics.">V</a>; |
| 113 | <a name="l00164"></a><a class="code" href="classegiw.html#4a2f130b91afe84f6d62fed289d5d453">00164</a> <span class="keywordtype">double</span> <a class="code" href="classegiw.html#4a2f130b91afe84f6d62fed289d5d453" title="Number of data records (degrees of freedom) of sufficient statistics.">nu</a>; |
| 114 | <a name="l00166"></a><a class="code" href="classegiw.html#3d5c719f15a5527a6c62c2a53160148e">00166</a> <span class="keywordtype">int</span> <a class="code" href="classegiw.html#3d5c719f15a5527a6c62c2a53160148e" title="Dimension of the output.">xdim</a>; |
| 115 | <a name="l00168"></a><a class="code" href="classegiw.html#c70d13d86e0d9f0acede3e1dc0368812">00168</a> <span class="keywordtype">int</span> <a class="code" href="classegiw.html#c70d13d86e0d9f0acede3e1dc0368812" title="Dimension of the regressor.">nPsi</a>; |
| 116 | <a name="l00169"></a>00169 <span class="keyword">public</span>: |
| 117 | <a name="l00171"></a><a class="code" href="classegiw.html#056c094f01ca1cc308d72162f47617c9">00171</a> <a class="code" href="classegiw.html#056c094f01ca1cc308d72162f47617c9" title="Default constructor, if nu0&lt;0 a minimal nu0 will be computed.">egiw</a> ( <a class="code" href="classRV.html" title="Class representing variables, most often random variables.">RV</a> <a class="code" href="classepdf.html#74da992e3f5d598da8850b646b79b9d9" title="Identified of the random variable.">rv</a>, mat V0, <span class="keywordtype">double</span> nu0=-1.0 ) : <a class="code" href="classeEF.html" title="General conjugate exponential family posterior density.">eEF</a> ( rv ), <a class="code" href="classegiw.html#f343d03ede89db820edf44a6297fa442" title="Extended information matrix of sufficient statistics.">V</a> ( V0 ), <a class="code" href="classegiw.html#4a2f130b91afe84f6d62fed289d5d453" title="Number of data records (degrees of freedom) of sufficient statistics.">nu</a> ( nu0 ) { |
| 118 | <a name="l00172"></a>00172 <a class="code" href="classegiw.html#3d5c719f15a5527a6c62c2a53160148e" title="Dimension of the output.">xdim</a> = rv.<a class="code" href="classRV.html#f5c7b8bd589eef09ccdf3329a0addea0" title="Return number of scalars in the RV.">count</a>() /<a class="code" href="classegiw.html#f343d03ede89db820edf44a6297fa442" title="Extended information matrix of sufficient statistics.">V</a>.<a class="code" href="group__math.html#g96dfb21865db4f5bd36fa70f9b0b1163" title="access function">rows</a>(); |
| 119 | <a name="l00173"></a>00173 it_assert_debug ( rv.<a class="code" href="classRV.html#f5c7b8bd589eef09ccdf3329a0addea0" title="Return number of scalars in the RV.">count</a>() ==<a class="code" href="classegiw.html#3d5c719f15a5527a6c62c2a53160148e" title="Dimension of the output.">xdim</a>*<a class="code" href="classegiw.html#f343d03ede89db820edf44a6297fa442" title="Extended information matrix of sufficient statistics.">V</a>.<a class="code" href="group__math.html#g96dfb21865db4f5bd36fa70f9b0b1163" title="access function">rows</a>(),<span class="stringliteral">"Incompatible V0."</span> ); |
| 120 | <a name="l00174"></a>00174 <a class="code" href="classegiw.html#c70d13d86e0d9f0acede3e1dc0368812" title="Dimension of the regressor.">nPsi</a> = <a class="code" href="classegiw.html#f343d03ede89db820edf44a6297fa442" title="Extended information matrix of sufficient statistics.">V</a>.<a class="code" href="group__math.html#g96dfb21865db4f5bd36fa70f9b0b1163" title="access function">rows</a>()-<a class="code" href="classegiw.html#3d5c719f15a5527a6c62c2a53160148e" title="Dimension of the output.">xdim</a>; |
| 121 | <a name="l00175"></a>00175 <span class="comment">//set mu to have proper normalization and </span> |
| 122 | <a name="l00176"></a>00176 <span class="keywordflow">if</span> (nu0<0){ |
| 123 | <a name="l00177"></a>00177 <a class="code" href="classegiw.html#4a2f130b91afe84f6d62fed289d5d453" title="Number of data records (degrees of freedom) of sufficient statistics.">nu</a> = 0.1 +nPsi +2*<a class="code" href="classegiw.html#3d5c719f15a5527a6c62c2a53160148e" title="Dimension of the output.">xdim</a> +2; <span class="comment">// +2 assures finite expected value of R</span> |
| 124 | <a name="l00178"></a>00178 <span class="comment">// terms before that are sufficient for finite normalization</span> |
| 125 | <a name="l00179"></a>00179 } |
| 126 | <a name="l00180"></a>00180 } |
| 127 | <a name="l00182"></a><a class="code" href="classegiw.html#18c1bf6125652a6dcbca68dd02dddd8d">00182</a> <a class="code" href="classegiw.html#056c094f01ca1cc308d72162f47617c9" title="Default constructor, if nu0&lt;0 a minimal nu0 will be computed.">egiw</a> ( <a class="code" href="classRV.html" title="Class representing variables, most often random variables.">RV</a> <a class="code" href="classepdf.html#74da992e3f5d598da8850b646b79b9d9" title="Identified of the random variable.">rv</a>, <a class="code" href="classldmat.html" title="Matrix stored in LD form, (commonly known as UD).">ldmat</a> V0, <span class="keywordtype">double</span> nu0=-1.0 ) : <a class="code" href="classeEF.html" title="General conjugate exponential family posterior density.">eEF</a> ( rv ), <a class="code" href="classegiw.html#f343d03ede89db820edf44a6297fa442" title="Extended information matrix of sufficient statistics.">V</a> ( V0 ), <a class="code" href="classegiw.html#4a2f130b91afe84f6d62fed289d5d453" title="Number of data records (degrees of freedom) of sufficient statistics.">nu</a> ( nu0 ) { |
| 128 | <a name="l00183"></a>00183 <a class="code" href="classegiw.html#3d5c719f15a5527a6c62c2a53160148e" title="Dimension of the output.">xdim</a> = rv.<a class="code" href="classRV.html#f5c7b8bd589eef09ccdf3329a0addea0" title="Return number of scalars in the RV.">count</a>() /<a class="code" href="classegiw.html#f343d03ede89db820edf44a6297fa442" title="Extended information matrix of sufficient statistics.">V</a>.<a class="code" href="group__math.html#g96dfb21865db4f5bd36fa70f9b0b1163" title="access function">rows</a>(); |
| 129 | <a name="l00184"></a>00184 it_assert_debug ( rv.<a class="code" href="classRV.html#f5c7b8bd589eef09ccdf3329a0addea0" title="Return number of scalars in the RV.">count</a>() ==<a class="code" href="classegiw.html#3d5c719f15a5527a6c62c2a53160148e" title="Dimension of the output.">xdim</a>*<a class="code" href="classegiw.html#f343d03ede89db820edf44a6297fa442" title="Extended information matrix of sufficient statistics.">V</a>.<a class="code" href="group__math.html#g96dfb21865db4f5bd36fa70f9b0b1163" title="access function">rows</a>(),<span class="stringliteral">"Incompatible V0."</span> ); |
| 130 | <a name="l00185"></a>00185 <a class="code" href="classegiw.html#c70d13d86e0d9f0acede3e1dc0368812" title="Dimension of the regressor.">nPsi</a> = <a class="code" href="classegiw.html#f343d03ede89db820edf44a6297fa442" title="Extended information matrix of sufficient statistics.">V</a>.<a class="code" href="group__math.html#g96dfb21865db4f5bd36fa70f9b0b1163" title="access function">rows</a>()-<a class="code" href="classegiw.html#3d5c719f15a5527a6c62c2a53160148e" title="Dimension of the output.">xdim</a>; |
| 131 | <a name="l00186"></a>00186 <span class="keywordflow">if</span> (nu0<0){ |
| 132 | <a name="l00187"></a>00187 <a class="code" href="classegiw.html#4a2f130b91afe84f6d62fed289d5d453" title="Number of data records (degrees of freedom) of sufficient statistics.">nu</a> = 0.1 +nPsi +2*<a class="code" href="classegiw.html#3d5c719f15a5527a6c62c2a53160148e" title="Dimension of the output.">xdim</a> +2; <span class="comment">// +2 assures finite expected value of R</span> |
| 133 | <a name="l00188"></a>00188 <span class="comment">// terms before that are sufficient for finite normalization</span> |
| 134 | <a name="l00189"></a>00189 } |
| 135 | <a name="l00190"></a>00190 } |
| 136 | <a name="l00191"></a>00191 |
| 137 | <a name="l00192"></a>00192 vec <a class="code" href="classegiw.html#3d2c1f2ba0f9966781f1e0ae695e8a6f" title="Returns a sample, from density .">sample</a>() <span class="keyword">const</span>; |
| 138 | <a name="l00193"></a>00193 vec <a class="code" href="classegiw.html#6deb0ff2859f41ef7cbdf6a842cabb29" title="return expected value">mean</a>() <span class="keyword">const</span>; |
| 139 | <a name="l00194"></a>00194 <span class="keywordtype">void</span> mean_mat ( mat &M, mat&R ) <span class="keyword">const</span>; |
| 140 | <a name="l00196"></a>00196 <span class="keywordtype">double</span> <a class="code" href="classegiw.html#2d94daac10d66bb743e4ddc8c1ba7268" title="In this instance, val= [theta, r]. For multivariate instances, it is stored columnwise...">evallog_nn</a> ( <span class="keyword">const</span> vec &val ) <span class="keyword">const</span>; |
| 141 | <a name="l00197"></a>00197 <span class="keywordtype">double</span> <a class="code" href="classegiw.html#70eb1a0b88459b227f919b425b0d3359" title="logarithm of the normalizing constant, ">lognc</a> () <span class="keyword">const</span>; |
| 142 | <a name="l00198"></a>00198 |
| 143 | <a name="l00199"></a>00199 <span class="comment">//Access</span> |
| 144 | <a name="l00201"></a><a class="code" href="classegiw.html#533e792e1175bfa06d5d595dc5d080d5">00201</a> <span class="comment"></span> <a class="code" href="classldmat.html" title="Matrix stored in LD form, (commonly known as UD).">ldmat</a>& <a class="code" href="classegiw.html#533e792e1175bfa06d5d595dc5d080d5" title="returns a pointer to the internal statistics. Use with Care!">_V</a>() {<span class="keywordflow">return</span> <a class="code" href="classegiw.html#f343d03ede89db820edf44a6297fa442" title="Extended information matrix of sufficient statistics.">V</a>;} |
| 145 | <a name="l00203"></a><a class="code" href="classegiw.html#a46c8a206edf80b357a138d7491780c1">00203</a> <span class="keyword">const</span> <a class="code" href="classldmat.html" title="Matrix stored in LD form, (commonly known as UD).">ldmat</a>& <a class="code" href="classegiw.html#533e792e1175bfa06d5d595dc5d080d5" title="returns a pointer to the internal statistics. Use with Care!">_V</a>()<span class="keyword"> const </span>{<span class="keywordflow">return</span> <a class="code" href="classegiw.html#f343d03ede89db820edf44a6297fa442" title="Extended information matrix of sufficient statistics.">V</a>;} |
| 146 | <a name="l00205"></a><a class="code" href="classegiw.html#08029c481ff95d24f093df0573879afe">00205</a> <span class="keywordtype">double</span>& <a class="code" href="classegiw.html#08029c481ff95d24f093df0573879afe" title="returns a pointer to the internal statistics. Use with Care!">_nu</a>() {<span class="keywordflow">return</span> <a class="code" href="classegiw.html#4a2f130b91afe84f6d62fed289d5d453" title="Number of data records (degrees of freedom) of sufficient statistics.">nu</a>;} |
| 147 | <a name="l00206"></a>00206 <span class="keyword">const</span> <span class="keywordtype">double</span>& <a class="code" href="classegiw.html#08029c481ff95d24f093df0573879afe" title="returns a pointer to the internal statistics. Use with Care!">_nu</a>()<span class="keyword"> const </span>{<span class="keywordflow">return</span> <a class="code" href="classegiw.html#4a2f130b91afe84f6d62fed289d5d453" title="Number of data records (degrees of freedom) of sufficient statistics.">nu</a>;} |
| 148 | <a name="l00207"></a><a class="code" href="classegiw.html#036306322a90a9977834baac07460816">00207</a> <span class="keywordtype">void</span> <a class="code" href="classegiw.html#036306322a90a9977834baac07460816" title="Power of the density, used e.g. to flatten the density.">pow</a> ( <span class="keywordtype">double</span> p ) {<a class="code" href="classegiw.html#f343d03ede89db820edf44a6297fa442" title="Extended information matrix of sufficient statistics.">V</a>*=p;<a class="code" href="classegiw.html#4a2f130b91afe84f6d62fed289d5d453" title="Number of data records (degrees of freedom) of sufficient statistics.">nu</a>*=p;}; |
| 149 | <a name="l00208"></a>00208 }; |
| 150 | <a name="l00209"></a>00209 |
| 151 | <a name="l00218"></a><a class="code" href="classeDirich.html">00218</a> <span class="keyword">class </span><a class="code" href="classeDirich.html" title="Dirichlet posterior density.">eDirich</a>: <span class="keyword">public</span> <a class="code" href="classeEF.html" title="General conjugate exponential family posterior density.">eEF</a> { |
| 152 | <a name="l00219"></a>00219 <span class="keyword">protected</span>: |
| 153 | <a name="l00221"></a><a class="code" href="classeDirich.html#15e6b65e9595eedc8a1286c6cecd36d7">00221</a> vec <a class="code" href="classeDirich.html#15e6b65e9595eedc8a1286c6cecd36d7" title="sufficient statistics">beta</a>; |
| 154 | <a name="l00222"></a>00222 <span class="keyword">public</span>: |
| 155 | <a name="l00224"></a><a class="code" href="classeDirich.html#ac7e6116f3575c3860d07355e96cd4af">00224</a> <a class="code" href="classeDirich.html#ac7e6116f3575c3860d07355e96cd4af" title="Default constructor.">eDirich</a> ( <span class="keyword">const</span> <a class="code" href="classRV.html" title="Class representing variables, most often random variables.">RV</a> &<a class="code" href="classepdf.html#74da992e3f5d598da8850b646b79b9d9" title="Identified of the random variable.">rv</a>, <span class="keyword">const</span> vec &beta0 ) : <a class="code" href="classeEF.html" title="General conjugate exponential family posterior density.">eEF</a> ( rv ),<a class="code" href="classeDirich.html#15e6b65e9595eedc8a1286c6cecd36d7" title="sufficient statistics">beta</a> ( beta0 ) {it_assert_debug ( rv.<a class="code" href="classRV.html#f5c7b8bd589eef09ccdf3329a0addea0" title="Return number of scalars in the RV.">count</a>() ==<a class="code" href="classeDirich.html#15e6b65e9595eedc8a1286c6cecd36d7" title="sufficient statistics">beta</a>.length(),<span class="stringliteral">"Incompatible statistics"</span> ); }; |
| 156 | <a name="l00226"></a><a class="code" href="classeDirich.html#55cccbc5eb44764dce722567acf5fd58">00226</a> <a class="code" href="classeDirich.html#ac7e6116f3575c3860d07355e96cd4af" title="Default constructor.">eDirich</a> ( <span class="keyword">const</span> <a class="code" href="classeDirich.html" title="Dirichlet posterior density.">eDirich</a> &D0 ) : <a class="code" href="classeEF.html" title="General conjugate exponential family posterior density.">eEF</a> ( D0.<a class="code" href="classepdf.html#74da992e3f5d598da8850b646b79b9d9" title="Identified of the random variable.">rv</a> ),<a class="code" href="classeDirich.html#15e6b65e9595eedc8a1286c6cecd36d7" title="sufficient statistics">beta</a> ( D0.<a class="code" href="classeDirich.html#15e6b65e9595eedc8a1286c6cecd36d7" title="sufficient statistics">beta</a> ) {}; |
| 157 | <a name="l00227"></a><a class="code" href="classeDirich.html#23dff79110822e9639343fe8e177fd80">00227</a> vec <a class="code" href="classeDirich.html#23dff79110822e9639343fe8e177fd80" title="Returns a sample, from density .">sample</a>()<span class="keyword"> const </span>{it_error ( <span class="stringliteral">"Not implemented"</span> );<span class="keywordflow">return</span> vec_1 ( 0.0 );}; |
| 158 | <a name="l00228"></a><a class="code" href="classeDirich.html#4206e1da149d51ff3b663c9241096b73">00228</a> vec <a class="code" href="classeDirich.html#4206e1da149d51ff3b663c9241096b73" title="return expected value">mean</a>()<span class="keyword"> const </span>{<span class="keywordflow">return</span> <a class="code" href="classeDirich.html#15e6b65e9595eedc8a1286c6cecd36d7" title="sufficient statistics">beta</a>/sum ( <a class="code" href="classeDirich.html#15e6b65e9595eedc8a1286c6cecd36d7" title="sufficient statistics">beta</a> );}; |
| 159 | <a name="l00230"></a><a class="code" href="classeDirich.html#bb4b14ed7794777386de10608a83d142">00230</a> <span class="keywordtype">double</span> <a class="code" href="classeDirich.html#bb4b14ed7794777386de10608a83d142" title="In this instance, val is ...">evallog_nn</a> ( <span class="keyword">const</span> vec &val )<span class="keyword"> const </span>{<span class="keywordtype">double</span> tmp; tmp=( <a class="code" href="classeDirich.html#15e6b65e9595eedc8a1286c6cecd36d7" title="sufficient statistics">beta</a>-1 ) *log ( val ); it_assert_debug(std::isfinite(tmp),<span class="stringliteral">"Infinite value"</span>); |
| 160 | <a name="l00231"></a>00231 <span class="keywordflow">return</span> tmp;}; |
| 161 | <a name="l00232"></a><a class="code" href="classeDirich.html#7ce60be7119ffc639ede4e583c1f6e77">00232</a> <span class="keywordtype">double</span> <a class="code" href="classeDirich.html#7ce60be7119ffc639ede4e583c1f6e77" title="logarithm of the normalizing constant, ">lognc</a> ()<span class="keyword"> const </span>{ |
| 162 | <a name="l00233"></a>00233 <span class="keywordtype">double</span> tmp; |
| 163 | <a name="l00234"></a>00234 <span class="keywordtype">double</span> gam=sum ( <a class="code" href="classeDirich.html#15e6b65e9595eedc8a1286c6cecd36d7" title="sufficient statistics">beta</a> ); |
| 164 | <a name="l00235"></a>00235 <span class="keywordtype">double</span> lgb=0.0; |
| 165 | <a name="l00236"></a>00236 <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i=0;i<<a class="code" href="classeDirich.html#15e6b65e9595eedc8a1286c6cecd36d7" title="sufficient statistics">beta</a>.length();i++ ) {lgb+=lgamma ( <a class="code" href="classeDirich.html#15e6b65e9595eedc8a1286c6cecd36d7" title="sufficient statistics">beta</a> ( i ) );} |
| 166 | <a name="l00237"></a>00237 tmp= lgb-lgamma ( gam ); |
| 167 | <a name="l00238"></a>00238 it_assert_debug(std::isfinite(tmp),<span class="stringliteral">"Infinite value"</span>); |
| 168 | <a name="l00239"></a>00239 <span class="keywordflow">return</span> tmp; |
| 169 | <a name="l00240"></a>00240 }; |
| 170 | <a name="l00242"></a><a class="code" href="classeDirich.html#6409d0362143a23976b43641ff19e53a">00242</a> vec& <a class="code" href="classeDirich.html#6409d0362143a23976b43641ff19e53a" title="access function">_beta</a>() {<span class="keywordflow">return</span> <a class="code" href="classeDirich.html#15e6b65e9595eedc8a1286c6cecd36d7" title="sufficient statistics">beta</a>;} |
| 171 | <a name="l00244"></a><a class="code" href="classeDirich.html#c842acb2e1cce5cc9000769ff06c086d">00244</a> <span class="keywordtype">void</span> <a class="code" href="classeDirich.html#c842acb2e1cce5cc9000769ff06c086d" title="Set internal parameters.">set_parameters</a> ( <span class="keyword">const</span> vec &beta0 ) { |
| 172 | <a name="l00245"></a>00245 <span class="keywordflow">if</span> ( beta0.length() !=<a class="code" href="classeDirich.html#15e6b65e9595eedc8a1286c6cecd36d7" title="sufficient statistics">beta</a>.length() ) { |
| 173 | <a name="l00246"></a>00246 it_assert_debug ( <a class="code" href="classepdf.html#74da992e3f5d598da8850b646b79b9d9" title="Identified of the random variable.">rv</a>.<a class="code" href="classRV.html#c114a6f3ff06796cc2f4dacba74291eb" title="Return length (number of entries) of the RV.">length</a>() ==1,<span class="stringliteral">"Undefined"</span> ); |
| 174 | <a name="l00247"></a>00247 <a class="code" href="classepdf.html#74da992e3f5d598da8850b646b79b9d9" title="Identified of the random variable.">rv</a>.<a class="code" href="classRV.html#70b24c39c5130b1e4753fa2eef495433" title="access function">set_size</a> ( 0,beta0.length() ); |
| 175 | <a name="l00248"></a>00248 } |
| 176 | <a name="l00249"></a>00249 <a class="code" href="classeDirich.html#15e6b65e9595eedc8a1286c6cecd36d7" title="sufficient statistics">beta</a>= beta0; |
| 177 | <a name="l00250"></a>00250 } |
| 178 | <a name="l00251"></a>00251 }; |
| 179 | <a name="l00252"></a>00252 |
| 180 | <a name="l00254"></a><a class="code" href="classmultiBM.html">00254</a> <span class="keyword">class </span><a class="code" href="classmultiBM.html" title="Estimator for Multinomial density.">multiBM</a> : <span class="keyword">public</span> <a class="code" href="classBMEF.html" title="Estimator for Exponential family.">BMEF</a> { |
| 181 | <a name="l00255"></a>00255 <span class="keyword">protected</span>: |
| 182 | <a name="l00257"></a><a class="code" href="classmultiBM.html#eddee08a724170de63f36e40c57b27b5">00257</a> <a class="code" href="classeDirich.html" title="Dirichlet posterior density.">eDirich</a> <a class="code" href="classmultiBM.html#eddee08a724170de63f36e40c57b27b5" title="Conjugate prior and posterior.">est</a>; |
| 183 | <a name="l00259"></a><a class="code" href="classmultiBM.html#7b606116aed7e8834a339cbb0424b1d6">00259</a> vec &<a class="code" href="classmultiBM.html#7b606116aed7e8834a339cbb0424b1d6" title="Pointer inside est to sufficient statistics.">beta</a>; |
| 184 | <a name="l00260"></a>00260 <span class="keyword">public</span>: |
| 185 | <a name="l00262"></a><a class="code" href="classmultiBM.html#7d7d7e78c129602bcde96078359dc6e5">00262</a> <a class="code" href="classmultiBM.html#7d7d7e78c129602bcde96078359dc6e5" title="Default constructor.">multiBM</a> ( <span class="keyword">const</span> <a class="code" href="classRV.html" title="Class representing variables, most often random variables.">RV</a> &<a class="code" href="classBM.html#af00f0612fabe66241dd507188cdbf88" title="Random variable of the posterior.">rv</a>, <span class="keyword">const</span> vec beta0 ) : <a class="code" href="classBMEF.html" title="Estimator for Exponential family.">BMEF</a> ( rv ),<a class="code" href="classmultiBM.html#eddee08a724170de63f36e40c57b27b5" title="Conjugate prior and posterior.">est</a> ( rv,beta0 ),<a class="code" href="classmultiBM.html#7b606116aed7e8834a339cbb0424b1d6" title="Pointer inside est to sufficient statistics.">beta</a> ( <a class="code" href="classmultiBM.html#eddee08a724170de63f36e40c57b27b5" title="Conjugate prior and posterior.">est</a>._beta() ) {<span class="keywordflow">if</span>(<a class="code" href="classmultiBM.html#7b606116aed7e8834a339cbb0424b1d6" title="Pointer inside est to sufficient statistics.">beta</a>.length()>0){<a class="code" href="classBMEF.html#308cf5d4133cd471fdf1ecd5dfa09d02" title="cached value of lognc() in the previous step (used in evaluation of ll )">last_lognc</a>=<a class="code" href="classmultiBM.html#eddee08a724170de63f36e40c57b27b5" title="Conjugate prior and posterior.">est</a>.<a class="code" href="classeDirich.html#7ce60be7119ffc639ede4e583c1f6e77" title="logarithm of the normalizing constant, ">lognc</a>();}<span class="keywordflow">else</span>{<a class="code" href="classBMEF.html#308cf5d4133cd471fdf1ecd5dfa09d02" title="cached value of lognc() in the previous step (used in evaluation of ll )">last_lognc</a>=0.0;}} |
| 186 | <a name="l00264"></a><a class="code" href="classmultiBM.html#b92751adbfb9f259ca8c95232cfd9c09">00264</a> <a class="code" href="classmultiBM.html#7d7d7e78c129602bcde96078359dc6e5" title="Default constructor.">multiBM</a> ( <span class="keyword">const</span> <a class="code" href="classmultiBM.html" title="Estimator for Multinomial density.">multiBM</a> &B ) : <a class="code" href="classBMEF.html" title="Estimator for Exponential family.">BMEF</a> ( B ),<a class="code" href="classmultiBM.html#eddee08a724170de63f36e40c57b27b5" title="Conjugate prior and posterior.">est</a> ( <a class="code" href="classBM.html#af00f0612fabe66241dd507188cdbf88" title="Random variable of the posterior.">rv</a>,B.<a class="code" href="classmultiBM.html#7b606116aed7e8834a339cbb0424b1d6" title="Pointer inside est to sufficient statistics.">beta</a> ),<a class="code" href="classmultiBM.html#7b606116aed7e8834a339cbb0424b1d6" title="Pointer inside est to sufficient statistics.">beta</a> ( <a class="code" href="classmultiBM.html#eddee08a724170de63f36e40c57b27b5" title="Conjugate prior and posterior.">est</a>._beta() ) {} |
| 187 | <a name="l00266"></a><a class="code" href="classmultiBM.html#42e36804041e551d3ceea6c75abc0562">00266</a> <span class="keywordtype">void</span> <a class="code" href="classmultiBM.html#42e36804041e551d3ceea6c75abc0562" title="Sets sufficient statistics to match that of givefrom mB0.">set_statistics</a> ( <span class="keyword">const</span> <a class="code" href="classBM.html" title="Bayesian Model of the world, i.e. all uncertainty is modeled by probabilities.">BM</a>* mB0 ) {<span class="keyword">const</span> <a class="code" href="classmultiBM.html" title="Estimator for Multinomial density.">multiBM</a>* mB=<span class="keyword">dynamic_cast<</span><span class="keyword">const </span><a class="code" href="classmultiBM.html" title="Estimator for Multinomial density.">multiBM</a>*<span class="keyword">></span> ( mB0 ); <a class="code" href="classmultiBM.html#7b606116aed7e8834a339cbb0424b1d6" title="Pointer inside est to sufficient statistics.">beta</a>=mB-><a class="code" href="classmultiBM.html#7b606116aed7e8834a339cbb0424b1d6" title="Pointer inside est to sufficient statistics.">beta</a>;} |
| 188 | <a name="l00267"></a><a class="code" href="classmultiBM.html#11eeba7e97954e316e959116f90d80e2">00267</a> <span class="keywordtype">void</span> <a class="code" href="classmultiBM.html#11eeba7e97954e316e959116f90d80e2" title="Incremental Bayes rule.">bayes</a> ( <span class="keyword">const</span> vec &dt ) { |
| 189 | <a name="l00268"></a>00268 <span class="keywordflow">if</span> ( <a class="code" href="classBMEF.html#538d632e59f9afa8daa1de74da12ce71" title="forgetting factor">frg</a><1.0 ) {<a class="code" href="classmultiBM.html#7b606116aed7e8834a339cbb0424b1d6" title="Pointer inside est to sufficient statistics.">beta</a>*=<a class="code" href="classBMEF.html#538d632e59f9afa8daa1de74da12ce71" title="forgetting factor">frg</a>;<a class="code" href="classBMEF.html#308cf5d4133cd471fdf1ecd5dfa09d02" title="cached value of lognc() in the previous step (used in evaluation of ll )">last_lognc</a>=<a class="code" href="classmultiBM.html#eddee08a724170de63f36e40c57b27b5" title="Conjugate prior and posterior.">est</a>.<a class="code" href="classeDirich.html#7ce60be7119ffc639ede4e583c1f6e77" title="logarithm of the normalizing constant, ">lognc</a>();} |
| 190 | <a name="l00269"></a>00269 <a class="code" href="classmultiBM.html#7b606116aed7e8834a339cbb0424b1d6" title="Pointer inside est to sufficient statistics.">beta</a>+=dt; |
| 191 | <a name="l00270"></a>00270 <span class="keywordflow">if</span> ( <a class="code" href="classBM.html#bf6fb59b30141074f8ee1e2f43d03129" title="If true, the filter will compute likelihood of the data record and store it in ll...">evalll</a> ) {<a class="code" href="classBM.html#5623fef6572a08c2b53b8c87b82dc979" title="Logarithm of marginalized data likelihood.">ll</a>=<a class="code" href="classmultiBM.html#eddee08a724170de63f36e40c57b27b5" title="Conjugate prior and posterior.">est</a>.<a class="code" href="classeDirich.html#7ce60be7119ffc639ede4e583c1f6e77" title="logarithm of the normalizing constant, ">lognc</a>()-<a class="code" href="classBMEF.html#308cf5d4133cd471fdf1ecd5dfa09d02" title="cached value of lognc() in the previous step (used in evaluation of ll )">last_lognc</a>;} |
| 192 | <a name="l00271"></a>00271 } |
| 193 | <a name="l00272"></a><a class="code" href="classmultiBM.html#13e26a61757278981fd8cac9a7ef91eb">00272</a> <span class="keywordtype">double</span> <a class="code" href="classmultiBM.html#13e26a61757278981fd8cac9a7ef91eb">logpred</a> ( <span class="keyword">const</span> vec &dt )<span class="keyword"> const </span>{ |
| 194 | <a name="l00273"></a>00273 <a class="code" href="classeDirich.html" title="Dirichlet posterior density.">eDirich</a> pred ( <a class="code" href="classmultiBM.html#eddee08a724170de63f36e40c57b27b5" title="Conjugate prior and posterior.">est</a> ); |
| 195 | <a name="l00274"></a>00274 vec &<a class="code" href="classmultiBM.html#7b606116aed7e8834a339cbb0424b1d6" title="Pointer inside est to sufficient statistics.">beta</a> = pred.<a class="code" href="classeDirich.html#6409d0362143a23976b43641ff19e53a" title="access function">_beta</a>(); |
| 196 | <a name="l00275"></a>00275 |
| 197 | <a name="l00276"></a>00276 <span class="keywordtype">double</span> lll; |
| 198 | <a name="l00277"></a>00277 <span class="keywordflow">if</span> ( <a class="code" href="classBMEF.html#538d632e59f9afa8daa1de74da12ce71" title="forgetting factor">frg</a><1.0 ) |
| 199 | <a name="l00278"></a>00278 {beta*=<a class="code" href="classBMEF.html#538d632e59f9afa8daa1de74da12ce71" title="forgetting factor">frg</a>;lll=pred.<a class="code" href="classeDirich.html#7ce60be7119ffc639ede4e583c1f6e77" title="logarithm of the normalizing constant, ">lognc</a>();} |
| 200 | <a name="l00279"></a>00279 <span class="keywordflow">else</span> |
| 201 | <a name="l00280"></a>00280 <span class="keywordflow">if</span> ( <a class="code" href="classBM.html#bf6fb59b30141074f8ee1e2f43d03129" title="If true, the filter will compute likelihood of the data record and store it in ll...">evalll</a> ) {lll=<a class="code" href="classBMEF.html#308cf5d4133cd471fdf1ecd5dfa09d02" title="cached value of lognc() in the previous step (used in evaluation of ll )">last_lognc</a>;} |
| 202 | <a name="l00281"></a>00281 <span class="keywordflow">else</span>{lll=pred.<a class="code" href="classeDirich.html#7ce60be7119ffc639ede4e583c1f6e77" title="logarithm of the normalizing constant, ">lognc</a>();} |
| 203 | <a name="l00282"></a>00282 |
| 204 | <a name="l00283"></a>00283 beta+=dt; |
| 205 | <a name="l00284"></a>00284 <span class="keywordflow">return</span> pred.<a class="code" href="classeDirich.html#7ce60be7119ffc639ede4e583c1f6e77" title="logarithm of the normalizing constant, ">lognc</a>()-lll; |
| 206 | <a name="l00285"></a>00285 } |
| 207 | <a name="l00286"></a><a class="code" href="classmultiBM.html#3988322f8f51b153622036f461f62a67">00286</a> <span class="keywordtype">void</span> <a class="code" href="classmultiBM.html#3988322f8f51b153622036f461f62a67" title="Flatten the posterior according to the given BMEF (of the same type!).">flatten</a> ( <span class="keyword">const</span> <a class="code" href="classBMEF.html" title="Estimator for Exponential family.">BMEF</a>* B ) { |
| 208 | <a name="l00287"></a>00287 <span class="keyword">const</span> <a class="code" href="classmultiBM.html" title="Estimator for Multinomial density.">multiBM</a>* E=<span class="keyword">dynamic_cast<</span><span class="keyword">const </span><a class="code" href="classmultiBM.html" title="Estimator for Multinomial density.">multiBM</a>*<span class="keyword">></span> ( B ); |
| 209 | <a name="l00288"></a>00288 <span class="comment">// sum(beta) should be equal to sum(B.beta)</span> |
| 210 | <a name="l00289"></a>00289 <span class="keyword">const</span> vec &Eb=E-><a class="code" href="classmultiBM.html#7b606116aed7e8834a339cbb0424b1d6" title="Pointer inside est to sufficient statistics.">beta</a>;<span class="comment">//const_cast<multiBM*> ( E )->_beta();</span> |
| 211 | <a name="l00290"></a>00290 <a class="code" href="classmultiBM.html#7b606116aed7e8834a339cbb0424b1d6" title="Pointer inside est to sufficient statistics.">beta</a>*= ( sum ( Eb ) /sum ( <a class="code" href="classmultiBM.html#7b606116aed7e8834a339cbb0424b1d6" title="Pointer inside est to sufficient statistics.">beta</a> ) ); |
| 212 | <a name="l00291"></a>00291 <span class="keywordflow">if</span> ( <a class="code" href="classBM.html#bf6fb59b30141074f8ee1e2f43d03129" title="If true, the filter will compute likelihood of the data record and store it in ll...">evalll</a> ) {<a class="code" href="classBMEF.html#308cf5d4133cd471fdf1ecd5dfa09d02" title="cached value of lognc() in the previous step (used in evaluation of ll )">last_lognc</a>=<a class="code" href="classmultiBM.html#eddee08a724170de63f36e40c57b27b5" title="Conjugate prior and posterior.">est</a>.<a class="code" href="classeDirich.html#7ce60be7119ffc639ede4e583c1f6e77" title="logarithm of the normalizing constant, ">lognc</a>();} |
| 213 | <a name="l00292"></a>00292 } |
| 214 | <a name="l00293"></a><a class="code" href="classmultiBM.html#66cdfd83a70bc281840ab0646b941684">00293</a> <span class="keyword">const</span> <a class="code" href="classepdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a>& <a class="code" href="classmultiBM.html#66cdfd83a70bc281840ab0646b941684" title="Returns a reference to the epdf representing posterior density on parameters.">_epdf</a>()<span class="keyword"> const </span>{<span class="keywordflow">return</span> <a class="code" href="classmultiBM.html#eddee08a724170de63f36e40c57b27b5" title="Conjugate prior and posterior.">est</a>;}; |
| 215 | <a name="l00294"></a><a class="code" href="classmultiBM.html#66a0fa6966e40bb6c3e7ba22d26e9d35">00294</a> <span class="keyword">const</span> <a class="code" href="classeDirich.html" title="Dirichlet posterior density.">eDirich</a>* <a class="code" href="classmultiBM.html#66a0fa6966e40bb6c3e7ba22d26e9d35" title="Returns a pointer to the epdf representing posterior density on parameters. Use with...">_e</a>()<span class="keyword"> const </span>{<span class="keywordflow">return</span> &<a class="code" href="classmultiBM.html#eddee08a724170de63f36e40c57b27b5" title="Conjugate prior and posterior.">est</a>;}; |
| 216 | <a name="l00295"></a>00295 <span class="keywordtype">void</span> set_parameters ( <span class="keyword">const</span> vec &beta0 ) { |
| 217 | <a name="l00296"></a>00296 <a class="code" href="classmultiBM.html#eddee08a724170de63f36e40c57b27b5" title="Conjugate prior and posterior.">est</a>.<a class="code" href="classeDirich.html#c842acb2e1cce5cc9000769ff06c086d" title="Set internal parameters.">set_parameters</a> ( beta0 ); |
| 218 | <a name="l00297"></a>00297 <a class="code" href="classBM.html#af00f0612fabe66241dd507188cdbf88" title="Random variable of the posterior.">rv</a> = <a class="code" href="classmultiBM.html#eddee08a724170de63f36e40c57b27b5" title="Conjugate prior and posterior.">est</a>.<a class="code" href="classepdf.html#ca0d32aabb4cbba347e0c37fe8607562" title="access function, possibly dangerous!">_rv</a>(); |
| 219 | <a name="l00298"></a>00298 <span class="keywordflow">if</span> ( <a class="code" href="classBM.html#bf6fb59b30141074f8ee1e2f43d03129" title="If true, the filter will compute likelihood of the data record and store it in ll...">evalll</a> ) {<a class="code" href="classBMEF.html#308cf5d4133cd471fdf1ecd5dfa09d02" title="cached value of lognc() in the previous step (used in evaluation of ll )">last_lognc</a>=<a class="code" href="classmultiBM.html#eddee08a724170de63f36e40c57b27b5" title="Conjugate prior and posterior.">est</a>.<a class="code" href="classeDirich.html#7ce60be7119ffc639ede4e583c1f6e77" title="logarithm of the normalizing constant, ">lognc</a>();} |
| 220 | <a name="l00299"></a>00299 } |
| 221 | <a name="l00300"></a>00300 }; |
| 222 | <a name="l00301"></a>00301 |
| 223 | <a name="l00311"></a><a class="code" href="classegamma.html">00311</a> <span class="keyword">class </span><a class="code" href="classegamma.html" title="Gamma posterior density.">egamma</a> : <span class="keyword">public</span> <a class="code" href="classeEF.html" title="General conjugate exponential family posterior density.">eEF</a> { |
| 224 | <a name="l00312"></a>00312 <span class="keyword">protected</span>: |
| 225 | <a name="l00314"></a><a class="code" href="classegamma.html#376cebd8932546c440f21b182910b01b">00314</a> vec <a class="code" href="classegamma.html#376cebd8932546c440f21b182910b01b" title="Vector .">alpha</a>; |
| 226 | <a name="l00316"></a><a class="code" href="classegamma.html#cfc5f136467488a421ab22f886323790">00316</a> vec <a class="code" href="classegamma.html#cfc5f136467488a421ab22f886323790" title="Vector .">beta</a>; |
| 227 | <a name="l00317"></a>00317 <span class="keyword">public</span> : |
| 228 | <a name="l00319"></a><a class="code" href="classegamma.html#4b1d34f3b244ea51a58ec10c468788c1">00319</a> <a class="code" href="classegamma.html#4b1d34f3b244ea51a58ec10c468788c1" title="Default constructor.">egamma</a> ( <span class="keyword">const</span> <a class="code" href="classRV.html" title="Class representing variables, most often random variables.">RV</a> &<a class="code" href="classepdf.html#74da992e3f5d598da8850b646b79b9d9" title="Identified of the random variable.">rv</a> ) :<a class="code" href="classeEF.html" title="General conjugate exponential family posterior density.">eEF</a> ( rv ) {}; |
| 229 | <a name="l00321"></a><a class="code" href="classegamma.html#8e348b89be82b70471fe8c5630f61339">00321</a> <span class="keywordtype">void</span> <a class="code" href="classegamma.html#8e348b89be82b70471fe8c5630f61339" title="Sets parameters.">set_parameters</a> ( <span class="keyword">const</span> vec &a, <span class="keyword">const</span> vec &b ) {<a class="code" href="classegamma.html#376cebd8932546c440f21b182910b01b" title="Vector .">alpha</a>=a,<a class="code" href="classegamma.html#cfc5f136467488a421ab22f886323790" title="Vector .">beta</a>=b;}; |
| 230 | <a name="l00322"></a>00322 vec <a class="code" href="classegamma.html#8e10c0021b5dfdd9cb62c6959b5ef425" title="Returns a sample, from density .">sample</a>() <span class="keyword">const</span>; |
| 231 | <a name="l00324"></a>00324 <span class="comment">// mat sample ( int N ) const;</span> |
| 232 | <a name="l00325"></a>00325 <span class="keywordtype">double</span> <a class="code" href="classegamma.html#74a49a4c696f44e54bb6b0515e155a9b" title="TODO: is it used anywhere?">evallog</a> ( <span class="keyword">const</span> vec &val ) <span class="keyword">const</span>; |
| 233 | <a name="l00326"></a>00326 <span class="keywordtype">double</span> <a class="code" href="classegamma.html#d6dbbdb72360f9e54d64501f80318bb6" title="logarithm of the normalizing constant, ">lognc</a> () <span class="keyword">const</span>; |
| 234 | <a name="l00328"></a><a class="code" href="classegamma.html#44445c56e60b91b377f207f8d5089790">00328</a> <span class="keywordtype">void</span> <a class="code" href="classegamma.html#44445c56e60b91b377f207f8d5089790" title="Returns poiter to alpha and beta. Potentially dengerous: use with care!">_param</a> ( vec* &a, vec* &b ) {a=&<a class="code" href="classegamma.html#376cebd8932546c440f21b182910b01b" title="Vector .">alpha</a>;b=&<a class="code" href="classegamma.html#cfc5f136467488a421ab22f886323790" title="Vector .">beta</a>;}; |
| 235 | <a name="l00329"></a><a class="code" href="classegamma.html#6ab5ba56f7cdb2e5921c3e77524fa50a">00329</a> vec <a class="code" href="classegamma.html#6ab5ba56f7cdb2e5921c3e77524fa50a" title="return expected value">mean</a>()<span class="keyword"> const </span>{vec pom ( <a class="code" href="classegamma.html#376cebd8932546c440f21b182910b01b" title="Vector .">alpha</a> ); pom/=<a class="code" href="classegamma.html#cfc5f136467488a421ab22f886323790" title="Vector .">beta</a>; <span class="keywordflow">return</span> pom;} |
| 236 | <a name="l00330"></a>00330 }; |
| 237 | <a name="l00331"></a>00331 <span class="comment">/*</span> |
| 238 | <a name="l00333"></a>00333 <span class="comment">class emix : public epdf {</span> |
| 239 | <a name="l00334"></a>00334 <span class="comment">protected:</span> |
| 240 | <a name="l00335"></a>00335 <span class="comment"> int n;</span> |
| 241 | <a name="l00336"></a>00336 <span class="comment"> vec &w;</span> |
| 242 | <a name="l00337"></a>00337 <span class="comment"> Array<epdf*> Coms;</span> |
| 243 | <a name="l00338"></a>00338 <span class="comment">public:</span> |
| 244 | <a name="l00340"></a>00340 <span class="comment"> emix ( const RV &rv, vec &w0): epdf(rv), n(w0.length()), w(w0), Coms(n) {};</span> |
| 245 | <a name="l00341"></a>00341 <span class="comment"> void set_parameters( int &i, double wi, epdf* ep){w(i)=wi;Coms(i)=ep;}</span> |
| 246 | <a name="l00342"></a>00342 <span class="comment"> vec mean(){vec pom; for(int i=0;i<n;i++){pom+=Coms(i)->mean()*w(i);} return pom;};</span> |
| 247 | <a name="l00343"></a>00343 <span class="comment"> vec sample() {it_error ( "Not implemented" );return 0;}</span> |
| 248 | <a name="l00344"></a>00344 <span class="comment">};</span> |
| 249 | <a name="l00345"></a>00345 <span class="comment">*/</span> |
| 250 | <a name="l00346"></a>00346 |
| 251 | <a name="l00348"></a>00348 |
| 252 | <a name="l00349"></a><a class="code" href="classeuni.html">00349</a> <span class="keyword">class </span><a class="code" href="classeuni.html" title="Uniform distributed density on a rectangular support.">euni</a>: <span class="keyword">public</span> <a class="code" href="classepdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a> { |
| 253 | <a name="l00350"></a>00350 <span class="keyword">protected</span>: |
| 254 | <a name="l00352"></a><a class="code" href="classeuni.html#ef42cd8d7645422048d46c46ec5cdac1">00352</a> vec <a class="code" href="classeuni.html#ef42cd8d7645422048d46c46ec5cdac1" title="lower bound on support">low</a>; |
| 255 | <a name="l00354"></a><a class="code" href="classeuni.html#71b6d6b41aeb61a7f76f682b72119231">00354</a> vec <a class="code" href="classeuni.html#71b6d6b41aeb61a7f76f682b72119231" title="upper bound on support">high</a>; |
| 256 | <a name="l00356"></a><a class="code" href="classeuni.html#52a6ff4a54010f88a6a19fca605c64a4">00356</a> vec <a class="code" href="classeuni.html#52a6ff4a54010f88a6a19fca605c64a4" title="internal">distance</a>; |
| 257 | <a name="l00358"></a><a class="code" href="classeuni.html#63105490e946e43372d6187ad1bafdda">00358</a> <span class="keywordtype">double</span> <a class="code" href="classeuni.html#63105490e946e43372d6187ad1bafdda" title="normalizing coefficients">nk</a>; |
| 258 | <a name="l00360"></a><a class="code" href="classeuni.html#f445a0ce24f39d14c1a4eed53fc8e2c3">00360</a> <span class="keywordtype">double</span> <a class="code" href="classeuni.html#f445a0ce24f39d14c1a4eed53fc8e2c3" title="cache of log( nk )">lnk</a>; |
| 259 | <a name="l00361"></a>00361 <span class="keyword">public</span>: |
| 260 | <a name="l00363"></a><a class="code" href="classeuni.html#2537a6c239cff52e3ba814851a1116cd">00363</a> <a class="code" href="classeuni.html#2537a6c239cff52e3ba814851a1116cd" title="Defualt constructor.">euni</a> ( <span class="keyword">const</span> <a class="code" href="classRV.html" title="Class representing variables, most often random variables.">RV</a> <a class="code" href="classepdf.html#74da992e3f5d598da8850b646b79b9d9" title="Identified of the random variable.">rv</a> ) :<a class="code" href="classepdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a> ( rv ) {} |
| 261 | <a name="l00364"></a>00364 <span class="keywordtype">double</span> eval ( <span class="keyword">const</span> vec &val )<span class="keyword"> const </span>{<span class="keywordflow">return</span> <a class="code" href="classeuni.html#63105490e946e43372d6187ad1bafdda" title="normalizing coefficients">nk</a>;} |
| 262 | <a name="l00365"></a><a class="code" href="classeuni.html#357b36417ef4c9211d12e7a4a602fd6a">00365</a> <span class="keywordtype">double</span> <a class="code" href="classeuni.html#357b36417ef4c9211d12e7a4a602fd6a" title="Compute log-probability of argument val.">evallog</a> ( <span class="keyword">const</span> vec &val )<span class="keyword"> const </span>{<span class="keywordflow">return</span> <a class="code" href="classeuni.html#f445a0ce24f39d14c1a4eed53fc8e2c3" title="cache of log( nk )">lnk</a>;} |
| 263 | <a name="l00366"></a><a class="code" href="classeuni.html#4a0e09392be17beaee120ba98fc038cd">00366</a> vec <a class="code" href="classeuni.html#4a0e09392be17beaee120ba98fc038cd" title="Returns a sample, from density .">sample</a>()<span class="keyword"> const </span>{ |
| 264 | <a name="l00367"></a>00367 vec smp ( <a class="code" href="classepdf.html#74da992e3f5d598da8850b646b79b9d9" title="Identified of the random variable.">rv</a>.<a class="code" href="classRV.html#f5c7b8bd589eef09ccdf3329a0addea0" title="Return number of scalars in the RV.">count</a>() ); |
| 265 | <a name="l00368"></a>00368 <span class="preprocessor">#pragma omp critical</span> |
| 266 | <a name="l00369"></a>00369 <span class="preprocessor"></span> UniRNG.sample_vector ( <a class="code" href="classepdf.html#74da992e3f5d598da8850b646b79b9d9" title="Identified of the random variable.">rv</a>.<a class="code" href="classRV.html#f5c7b8bd589eef09ccdf3329a0addea0" title="Return number of scalars in the RV.">count</a>(),smp ); |
| 267 | <a name="l00370"></a>00370 <span class="keywordflow">return</span> <a class="code" href="classeuni.html#ef42cd8d7645422048d46c46ec5cdac1" title="lower bound on support">low</a>+elem_mult ( <a class="code" href="classeuni.html#52a6ff4a54010f88a6a19fca605c64a4" title="internal">distance</a>,smp ); |
| 268 | <a name="l00371"></a>00371 } |
| 269 | <a name="l00373"></a><a class="code" href="classeuni.html#4fd7c6a05100616ad16ece405cad7bf2">00373</a> <span class="keywordtype">void</span> <a class="code" href="classeuni.html#4fd7c6a05100616ad16ece405cad7bf2" title="set values of low and high ">set_parameters</a> ( <span class="keyword">const</span> vec &low0, <span class="keyword">const</span> vec &high0 ) { |
| 270 | <a name="l00374"></a>00374 <a class="code" href="classeuni.html#52a6ff4a54010f88a6a19fca605c64a4" title="internal">distance</a> = high0-low0; |
| 271 | <a name="l00375"></a>00375 it_assert_debug ( min ( <a class="code" href="classeuni.html#52a6ff4a54010f88a6a19fca605c64a4" title="internal">distance</a> ) >0.0,<span class="stringliteral">"bad support"</span> ); |
| 272 | <a name="l00376"></a>00376 <a class="code" href="classeuni.html#ef42cd8d7645422048d46c46ec5cdac1" title="lower bound on support">low</a> = low0; |
| 273 | <a name="l00377"></a>00377 <a class="code" href="classeuni.html#71b6d6b41aeb61a7f76f682b72119231" title="upper bound on support">high</a> = high0; |
| 274 | <a name="l00378"></a>00378 <a class="code" href="classeuni.html#63105490e946e43372d6187ad1bafdda" title="normalizing coefficients">nk</a> = prod ( 1.0/<a class="code" href="classeuni.html#52a6ff4a54010f88a6a19fca605c64a4" title="internal">distance</a> ); |
| 275 | <a name="l00379"></a>00379 <a class="code" href="classeuni.html#f445a0ce24f39d14c1a4eed53fc8e2c3" title="cache of log( nk )">lnk</a> = log ( <a class="code" href="classeuni.html#63105490e946e43372d6187ad1bafdda" title="normalizing coefficients">nk</a> ); |
| 276 | <a name="l00380"></a>00380 } |
| 277 | <a name="l00381"></a><a class="code" href="classeuni.html#8050087e421a9cfd1b4b1f8bd33b1cc1">00381</a> vec <a class="code" href="classeuni.html#8050087e421a9cfd1b4b1f8bd33b1cc1" title="return expected value">mean</a>()<span class="keyword"> const </span>{vec pom=<a class="code" href="classeuni.html#71b6d6b41aeb61a7f76f682b72119231" title="upper bound on support">high</a>; pom-=<a class="code" href="classeuni.html#ef42cd8d7645422048d46c46ec5cdac1" title="lower bound on support">low</a>; pom/=2.0; <span class="keywordflow">return</span> pom;} |
| 278 | <a name="l00382"></a>00382 }; |
| 279 | <a name="l00383"></a>00383 |
| 280 | <a name="l00384"></a>00384 |
| 281 | <a name="l00390"></a>00390 <span class="keyword">template</span><<span class="keyword">class</span> sq_T> |
| 282 | <a name="l00391"></a><a class="code" href="classmlnorm.html">00391</a> <span class="keyword">class </span><a class="code" href="classmlnorm.html" title="Normal distributed linear function with linear function of mean value;.">mlnorm</a> : <span class="keyword">public</span> <a class="code" href="classmEF.html" title="Exponential family model.">mEF</a> { |
| 283 | <a name="l00392"></a>00392 <span class="keyword">protected</span>: |
| 284 | <a name="l00394"></a><a class="code" href="classmlnorm.html#b76ee2171ace4fb3ff95a131ae8fc421">00394</a> <a class="code" href="classenorm.html" title="Gaussian density with positive definite (decomposed) covariance matrix.">enorm<sq_T></a> <a class="code" href="classepdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a>; |
| 285 | <a name="l00395"></a>00395 mat A; |
| 286 | <a name="l00396"></a>00396 vec mu_const; |
| 287 | <a name="l00397"></a>00397 vec& _mu; <span class="comment">//cached epdf.mu;</span> |
| 288 | <a name="l00398"></a>00398 <span class="keyword">public</span>: |
| 289 | <a name="l00400"></a>00400 <a class="code" href="classmlnorm.html#3a5ad4798d8a3878c5e93b8e796c8837" title="Constructor.">mlnorm</a> ( <span class="keyword">const</span> <a class="code" href="classRV.html" title="Class representing variables, most often random variables.">RV</a> &<a class="code" href="classmpdf.html#f6687c07ff07d47812dd565368ca59eb" title="modeled random variable">rv</a>, <span class="keyword">const</span> <a class="code" href="classRV.html" title="Class representing variables, most often random variables.">RV</a> &<a class="code" href="classmpdf.html#acb7dda792b3cd5576f39fa3129abbab" title="random variable in condition">rvc</a> ); |
| 290 | <a name="l00402"></a>00402 <span class="keywordtype">void</span> <a class="code" href="classmlnorm.html#f95dfce0b500636a44ecd7e5210de999" title="Set A and R.">set_parameters</a> ( <span class="keyword">const</span> mat &A, <span class="keyword">const</span> vec &mu0, <span class="keyword">const</span> sq_T &R ); |
| 291 | <a name="l00403"></a>00403 <span class="comment">// //!Generate one sample of the posterior</span> |
| 292 | <a name="l00404"></a>00404 <span class="comment">// vec samplecond (const vec &cond, double &lik );</span> |
| 293 | <a name="l00405"></a>00405 <span class="comment">// //!Generate matrix of samples of the posterior</span> |
| 294 | <a name="l00406"></a>00406 <span class="comment">// mat samplecond (const vec &cond, vec &lik, int n );</span> |
| 295 | <a name="l00408"></a>00408 <span class="comment"></span> <span class="keywordtype">void</span> <a class="code" href="classmlnorm.html#d41126455ac64b888a38f677886e1b40" title="Set value of rvc . Result of this operation is stored in epdf use function _ep to...">condition</a> ( <span class="keyword">const</span> vec &cond ); |
| 296 | <a name="l00409"></a>00409 |
| 297 | <a name="l00411"></a><a class="code" href="classmlnorm.html#2732ae47835dd25d5784bf08fde0a546">00411</a> vec& <a class="code" href="classmlnorm.html#2732ae47835dd25d5784bf08fde0a546" title="access function">_mu_const</a>() {<span class="keywordflow">return</span> mu_const;} |
| 298 | <a name="l00413"></a><a class="code" href="classmlnorm.html#65ec3840c21b21102896bfd2282b47b3">00413</a> mat& <a class="code" href="classmlnorm.html#65ec3840c21b21102896bfd2282b47b3" title="access function">_A</a>() {<span class="keywordflow">return</span> A;} |
| 299 | <a name="l00415"></a><a class="code" href="classmlnorm.html#3ff2b03fbb5e1133a5fe1bf831939f63">00415</a> mat <a class="code" href="classmlnorm.html#3ff2b03fbb5e1133a5fe1bf831939f63" title="access function">_R</a>() {<span class="keywordflow">return</span> <a class="code" href="classepdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a>._R().to_mat();} |
| 300 | <a name="l00416"></a>00416 |
| 301 | <a name="l00417"></a>00417 <span class="keyword">template</span><<span class="keyword">class</span> sq_M> |
| 302 | <a name="l00418"></a>00418 <span class="keyword">friend</span> std::ostream &operator<< ( std::ostream &os, mlnorm<sq_M> &ml ); |
| 303 | <a name="l00419"></a>00419 }; |
| 304 | <a name="l00420"></a>00420 |
| 305 | <a name="l00423"></a><a class="code" href="classmlstudent.html">00423</a> <span class="keyword">class </span><a class="code" href="classmlstudent.html">mlstudent</a> : <span class="keyword">public</span> <a class="code" href="classmlnorm.html" title="Normal distributed linear function with linear function of mean value;.">mlnorm</a><ldmat> { |
| 306 | <a name="l00424"></a>00424 <span class="keyword">protected</span>: |
| 307 | <a name="l00425"></a>00425 <a class="code" href="classldmat.html" title="Matrix stored in LD form, (commonly known as UD).">ldmat</a> Lambda; |
| 308 | <a name="l00426"></a>00426 <a class="code" href="classldmat.html" title="Matrix stored in LD form, (commonly known as UD).">ldmat</a> &<a class="code" href="classmlnorm.html#3ff2b03fbb5e1133a5fe1bf831939f63" title="access function">_R</a>; |
| 309 | <a name="l00427"></a>00427 <a class="code" href="classldmat.html" title="Matrix stored in LD form, (commonly known as UD).">ldmat</a> Re; |
| 310 | <a name="l00428"></a>00428 <span class="keyword">public</span>: |
| 311 | <a name="l00429"></a>00429 <a class="code" href="classmlstudent.html">mlstudent</a> ( <span class="keyword">const</span> <a class="code" href="classRV.html" title="Class representing variables, most often random variables.">RV</a> &rv0, <span class="keyword">const</span> <a class="code" href="classRV.html" title="Class representing variables, most often random variables.">RV</a> &rvc0 ) :<a class="code" href="classmlnorm.html" title="Normal distributed linear function with linear function of mean value;.">mlnorm<ldmat></a> ( rv0,rvc0 ), |
| 312 | <a name="l00430"></a>00430 Lambda ( rv0.<a class="code" href="classRV.html#f5c7b8bd589eef09ccdf3329a0addea0" title="Return number of scalars in the RV.">count</a>() ), |
| 313 | <a name="l00431"></a>00431 <a class="code" href="classmlnorm.html#3ff2b03fbb5e1133a5fe1bf831939f63" title="access function">_R</a> ( <a class="code" href="classepdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a>._R() ) {} |
| 314 | <a name="l00432"></a>00432 <span class="keywordtype">void</span> set_parameters ( <span class="keyword">const</span> mat &A0, <span class="keyword">const</span> vec &mu0, <span class="keyword">const</span> <a class="code" href="classldmat.html" title="Matrix stored in LD form, (commonly known as UD).">ldmat</a> &R0, <span class="keyword">const</span> <a class="code" href="classldmat.html" title="Matrix stored in LD form, (commonly known as UD).">ldmat</a>& Lambda0) { |
| 315 | <a name="l00433"></a>00433 <a class="code" href="classepdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a>.set_parameters ( zeros ( <a class="code" href="classmpdf.html#f6687c07ff07d47812dd565368ca59eb" title="modeled random variable">rv</a>.<a class="code" href="classRV.html#f5c7b8bd589eef09ccdf3329a0addea0" title="Return number of scalars in the RV.">count</a>() ),Lambda ); |
| 316 | <a name="l00434"></a>00434 A = A0; |
| 317 | <a name="l00435"></a>00435 mu_const = mu0; |
| 318 | <a name="l00436"></a>00436 Re=R0; |
| 319 | <a name="l00437"></a>00437 Lambda = Lambda0; |
| 320 | <a name="l00438"></a>00438 } |
| 321 | <a name="l00439"></a><a class="code" href="classmlstudent.html#d153460ae0180f4bc7f28301f5cde876">00439</a> <span class="keywordtype">void</span> <a class="code" href="classmlstudent.html#d153460ae0180f4bc7f28301f5cde876" title="Set value of rvc . Result of this operation is stored in epdf use function _ep to...">condition</a> ( <span class="keyword">const</span> vec &cond ) { |
| 322 | <a name="l00440"></a>00440 _mu = A*cond + mu_const; |
| 323 | <a name="l00441"></a>00441 <span class="keywordtype">double</span> zeta; |
| 324 | <a name="l00442"></a>00442 <span class="comment">//ugly hack!</span> |
| 325 | <a name="l00443"></a>00443 <span class="keywordflow">if</span> ((cond.length()+1)==Lambda.<a class="code" href="group__math.html#g96dfb21865db4f5bd36fa70f9b0b1163" title="access function">rows</a>()){ |
| 326 | <a name="l00444"></a>00444 zeta = Lambda.<a class="code" href="classldmat.html#d876c5f83e02b3e809b35c9de5068f14" title="Evaluates quadratic form ;.">invqform</a> ( <a class="code" href="group__core.html#g33c114e83980d883c5b211c47d5322a4" title="Concat two random variables.">concat</a>(cond, vec_1(1.0)) ); |
| 327 | <a name="l00445"></a>00445 } <span class="keywordflow">else</span> { |
| 328 | <a name="l00446"></a>00446 zeta = Lambda.<a class="code" href="classldmat.html#d876c5f83e02b3e809b35c9de5068f14" title="Evaluates quadratic form ;.">invqform</a> ( cond ); |
| 329 | <a name="l00447"></a>00447 } |
| 330 | <a name="l00448"></a>00448 <a class="code" href="classmlnorm.html#3ff2b03fbb5e1133a5fe1bf831939f63" title="access function">_R</a> = Re; |
| 331 | <a name="l00449"></a>00449 <a class="code" href="classmlnorm.html#3ff2b03fbb5e1133a5fe1bf831939f63" title="access function">_R</a>*=( 1+zeta );<span class="comment">// / ( nu ); << nu is in Re!!!!!!</span> |
| 332 | <a name="l00450"></a>00450 }; |
| 333 | <a name="l00451"></a>00451 |
| 334 | <a name="l00452"></a>00452 }; |
| 335 | <a name="l00462"></a><a class="code" href="classmgamma.html">00462</a> <span class="keyword">class </span><a class="code" href="classmgamma.html" title="Gamma random walk.">mgamma</a> : <span class="keyword">public</span> <a class="code" href="classmEF.html" title="Exponential family model.">mEF</a> { |
| 336 | <a name="l00463"></a>00463 <span class="keyword">protected</span>: |
| 337 | <a name="l00465"></a><a class="code" href="classmgamma.html#612dbf35c770a780027619aaac2c443e">00465</a> <a class="code" href="classegamma.html" title="Gamma posterior density.">egamma</a> <a class="code" href="classepdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a>; |
| 338 | <a name="l00467"></a><a class="code" href="classmgamma.html#43f733cce0245a52363d566099add687">00467</a> <span class="keywordtype">double</span> <a class="code" href="classmgamma.html#43f733cce0245a52363d566099add687" title="Constant .">k</a>; |
| 339 | <a name="l00469"></a><a class="code" href="classmgamma.html#5e90652837448bcc29707e7412f99691">00469</a> vec* <a class="code" href="classmgamma.html#5e90652837448bcc29707e7412f99691" title="cache of epdf.beta">_beta</a>; |
| 340 | <a name="l00470"></a>00470 |
| 341 | <a name="l00471"></a>00471 <span class="keyword">public</span>: |
| 342 | <a name="l00473"></a>00473 <a class="code" href="classmgamma.html#af43e61b86900c0398d5c0ffc83b94e6" title="Constructor.">mgamma</a> ( <span class="keyword">const</span> <a class="code" href="classRV.html" title="Class representing variables, most often random variables.">RV</a> &<a class="code" href="classmpdf.html#f6687c07ff07d47812dd565368ca59eb" title="modeled random variable">rv</a>,<span class="keyword">const</span> <a class="code" href="classRV.html" title="Class representing variables, most often random variables.">RV</a> &<a class="code" href="classmpdf.html#acb7dda792b3cd5576f39fa3129abbab" title="random variable in condition">rvc</a> ); |
| 343 | <a name="l00475"></a>00475 <span class="keywordtype">void</span> <a class="code" href="classmgamma.html#a9d646cf758a70126dde7c48790b6e94" title="Set value of k.">set_parameters</a> ( <span class="keywordtype">double</span> <a class="code" href="classmgamma.html#43f733cce0245a52363d566099add687" title="Constant .">k</a> ); |
| 344 | <a name="l00476"></a><a class="code" href="classmgamma.html#a61094c9f7a2d64ea77b130cbc031f97">00476</a> <span class="keywordtype">void</span> <a class="code" href="classmgamma.html#a61094c9f7a2d64ea77b130cbc031f97" title="Update ep so that it represents this mpdf conditioned on rvc = cond.">condition</a> ( <span class="keyword">const</span> vec &val ) {*<a class="code" href="classmgamma.html#5e90652837448bcc29707e7412f99691" title="cache of epdf.beta">_beta</a>=<a class="code" href="classmgamma.html#43f733cce0245a52363d566099add687" title="Constant .">k</a>/val;}; |
| 345 | <a name="l00477"></a>00477 }; |
| 346 | <a name="l00478"></a>00478 |
| 347 | <a name="l00490"></a><a class="code" href="classmgamma__fix.html">00490</a> <span class="keyword">class </span><a class="code" href="classmgamma__fix.html" title="Gamma random walk around a fixed point.">mgamma_fix</a> : <span class="keyword">public</span> <a class="code" href="classmgamma.html" title="Gamma random walk.">mgamma</a> { |
| 348 | <a name="l00491"></a>00491 <span class="keyword">protected</span>: |
| 349 | <a name="l00493"></a><a class="code" href="classmgamma__fix.html#3f48c09caddc298901ad75fe7c0529f6">00493</a> <span class="keywordtype">double</span> <a class="code" href="classmgamma__fix.html#3f48c09caddc298901ad75fe7c0529f6" title="parameter l">l</a>; |
| 350 | <a name="l00495"></a><a class="code" href="classmgamma__fix.html#81ce49029ecc385418619b200dcafeb0">00495</a> vec <a class="code" href="classmgamma__fix.html#81ce49029ecc385418619b200dcafeb0" title="reference vector">refl</a>; |
| 351 | <a name="l00496"></a>00496 <span class="keyword">public</span>: |
| 352 | <a name="l00498"></a><a class="code" href="classmgamma__fix.html#b92c3d2e5fd0381033a072e5ef3bcf80">00498</a> <a class="code" href="classmgamma__fix.html#b92c3d2e5fd0381033a072e5ef3bcf80" title="Constructor.">mgamma_fix</a> ( <span class="keyword">const</span> <a class="code" href="classRV.html" title="Class representing variables, most often random variables.">RV</a> &<a class="code" href="classmpdf.html#f6687c07ff07d47812dd565368ca59eb" title="modeled random variable">rv</a>,<span class="keyword">const</span> <a class="code" href="classRV.html" title="Class representing variables, most often random variables.">RV</a> &<a class="code" href="classmpdf.html#acb7dda792b3cd5576f39fa3129abbab" title="random variable in condition">rvc</a> ) : <a class="code" href="classmgamma.html" title="Gamma random walk.">mgamma</a> ( rv,rvc ),<a class="code" href="classmgamma__fix.html#81ce49029ecc385418619b200dcafeb0" title="reference vector">refl</a> ( rv.count() ) {}; |
| 353 | <a name="l00500"></a><a class="code" href="classmgamma__fix.html#ec6f846896749e27cb7be9fa48dd1cb1">00500</a> <span class="keywordtype">void</span> <a class="code" href="classmgamma__fix.html#ec6f846896749e27cb7be9fa48dd1cb1" title="Set value of k.">set_parameters</a> ( <span class="keywordtype">double</span> k0 , vec ref0, <span class="keywordtype">double</span> l0 ) { |
| 354 | <a name="l00501"></a>00501 <a class="code" href="classmgamma.html#a9d646cf758a70126dde7c48790b6e94" title="Set value of k.">mgamma::set_parameters</a> ( k0 ); |
| 355 | <a name="l00502"></a>00502 <a class="code" href="classmgamma__fix.html#81ce49029ecc385418619b200dcafeb0" title="reference vector">refl</a>=pow ( ref0,1.0-l0 );<a class="code" href="classmgamma__fix.html#3f48c09caddc298901ad75fe7c0529f6" title="parameter l">l</a>=l0; |
| 356 | <a name="l00503"></a>00503 }; |
| 357 | <a name="l00504"></a>00504 |
| 358 | <a name="l00505"></a><a class="code" href="classmgamma__fix.html#6ea3931eec7b7da7b693e45981052460">00505</a> <span class="keywordtype">void</span> <a class="code" href="classmgamma__fix.html#6ea3931eec7b7da7b693e45981052460" title="Update ep so that it represents this mpdf conditioned on rvc = cond.">condition</a> ( <span class="keyword">const</span> vec &val ) {vec mean=elem_mult ( <a class="code" href="classmgamma__fix.html#81ce49029ecc385418619b200dcafeb0" title="reference vector">refl</a>,pow ( val,<a class="code" href="classmgamma__fix.html#3f48c09caddc298901ad75fe7c0529f6" title="parameter l">l</a> ) ); *<a class="code" href="classmgamma.html#5e90652837448bcc29707e7412f99691" title="cache of epdf.beta">_beta</a>=<a class="code" href="classmgamma.html#43f733cce0245a52363d566099add687" title="Constant .">k</a>/mean;}; |
| 359 | <a name="l00506"></a>00506 }; |
| 360 | <a name="l00507"></a>00507 |
| 361 | <a name="l00509"></a><a class="code" href="libEF_8h.html#99497a3ff630f761cf6bff7babd23212">00509</a> <span class="keyword">enum</span> <a class="code" href="libEF_8h.html#99497a3ff630f761cf6bff7babd23212" title="Switch between various resampling methods.">RESAMPLING_METHOD</a> { MULTINOMIAL = 0, STRATIFIED = 1, SYSTEMATIC = 3 }; |
| 362 | <a name="l00515"></a><a class="code" href="classeEmp.html">00515</a> <span class="keyword">class </span><a class="code" href="classeEmp.html" title="Weighted empirical density.">eEmp</a>: <span class="keyword">public</span> <a class="code" href="classepdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a> { |
| 363 | <a name="l00516"></a>00516 <span class="keyword">protected</span> : |
| 364 | <a name="l00518"></a><a class="code" href="classeEmp.html#8c33034de0e35f03f8bb85d3d67438fd">00518</a> <span class="keywordtype">int</span> <a class="code" href="classeEmp.html#8c33034de0e35f03f8bb85d3d67438fd" title="Number of particles.">n</a>; |
| 365 | <a name="l00520"></a><a class="code" href="classeEmp.html#ae78d144404ddba843c93b171b215de8">00520</a> vec <a class="code" href="classeEmp.html#ae78d144404ddba843c93b171b215de8" title="Sample weights .">w</a>; |
| 366 | <a name="l00522"></a><a class="code" href="classeEmp.html#a4d6f4bbd6a6824fc39f14676701279a">00522</a> Array<vec> <a class="code" href="classeEmp.html#a4d6f4bbd6a6824fc39f14676701279a" title="Samples .">samples</a>; |
| 367 | <a name="l00523"></a>00523 <span class="keyword">public</span>: |
| 368 | <a name="l00525"></a><a class="code" href="classeEmp.html#0c04b073ecd0dae3d498e680ae27e9e4">00525</a> <a class="code" href="classeEmp.html#0c04b073ecd0dae3d498e680ae27e9e4" title="Default constructor.">eEmp</a> ( <span class="keyword">const</span> <a class="code" href="classRV.html" title="Class representing variables, most often random variables.">RV</a> &rv0 ,<span class="keywordtype">int</span> n0 ) :<a class="code" href="classepdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a> ( rv0 ),<a class="code" href="classeEmp.html#8c33034de0e35f03f8bb85d3d67438fd" title="Number of particles.">n</a> ( n0 ),<a class="code" href="classeEmp.html#ae78d144404ddba843c93b171b215de8" title="Sample weights .">w</a> ( <a class="code" href="classeEmp.html#8c33034de0e35f03f8bb85d3d67438fd" title="Number of particles.">n</a> ),<a class="code" href="classeEmp.html#a4d6f4bbd6a6824fc39f14676701279a" title="Samples .">samples</a> ( <a class="code" href="classeEmp.html#8c33034de0e35f03f8bb85d3d67438fd" title="Number of particles.">n</a> ) {}; |
| 369 | <a name="l00527"></a>00527 <span class="keywordtype">void</span> <a class="code" href="classeEmp.html#eab03bd3381aaea11ce34d5a26556353" title="Set samples and weights.">set_parameters</a> ( <span class="keyword">const</span> vec &w0, <span class="keyword">const</span> <a class="code" href="classepdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a>* pdf0 ); |
| 370 | <a name="l00529"></a>00529 <span class="keywordtype">void</span> <a class="code" href="classeEmp.html#e31bc9e6196173c3480b06a761a3e716" title="Set sample.">set_samples</a> ( <span class="keyword">const</span> <a class="code" href="classepdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a>* pdf0 ); |
| 371 | <a name="l00531"></a><a class="code" href="classeEmp.html#a4215f6a5a04d07b43f7ebaa942e15f1">00531</a> <span class="keywordtype">void</span> <a class="code" href="classeEmp.html#a4215f6a5a04d07b43f7ebaa942e15f1" title="Set sample.">set_n</a> ( <span class="keywordtype">int</span> n0, <span class="keywordtype">bool</span> copy=<span class="keyword">true</span> ){<a class="code" href="classeEmp.html#ae78d144404ddba843c93b171b215de8" title="Sample weights .">w</a>.set_size(n0,copy);<a class="code" href="classeEmp.html#a4d6f4bbd6a6824fc39f14676701279a" title="Samples .">samples</a>.set_size(n0,copy);}; |
| 372 | <a name="l00533"></a><a class="code" href="classeEmp.html#31b2bfb73b72486a5c89f2ab850c7a9b">00533</a> vec& <a class="code" href="classeEmp.html#31b2bfb73b72486a5c89f2ab850c7a9b" title="Potentially dangerous, use with care.">_w</a>() {<span class="keywordflow">return</span> <a class="code" href="classeEmp.html#ae78d144404ddba843c93b171b215de8" title="Sample weights .">w</a>;}; |
| 373 | <a name="l00535"></a><a class="code" href="classeEmp.html#d6f4ae1a67ecd2bff8b9f176ee261afc">00535</a> <span class="keyword">const</span> vec& <a class="code" href="classeEmp.html#31b2bfb73b72486a5c89f2ab850c7a9b" title="Potentially dangerous, use with care.">_w</a>()<span class="keyword"> const </span>{<span class="keywordflow">return</span> <a class="code" href="classeEmp.html#ae78d144404ddba843c93b171b215de8" title="Sample weights .">w</a>;}; |
| 374 | <a name="l00537"></a><a class="code" href="classeEmp.html#31b747eca73b16f30370827ba4cc3575">00537</a> Array<vec>& <a class="code" href="classeEmp.html#31b747eca73b16f30370827ba4cc3575" title="access function">_samples</a>() {<span class="keywordflow">return</span> <a class="code" href="classeEmp.html#a4d6f4bbd6a6824fc39f14676701279a" title="Samples .">samples</a>;}; |
| 375 | <a name="l00539"></a><a class="code" href="classeEmp.html#bd48c1c36e2e9e78dbcea7df66dcbf25">00539</a> <span class="keyword">const</span> Array<vec>& <a class="code" href="classeEmp.html#31b747eca73b16f30370827ba4cc3575" title="access function">_samples</a>()<span class="keyword"> const </span>{<span class="keywordflow">return</span> <a class="code" href="classeEmp.html#a4d6f4bbd6a6824fc39f14676701279a" title="Samples .">samples</a>;}; |
| 376 | <a name="l00541"></a>00541 ivec <a class="code" href="classeEmp.html#77268292fc4465cb73ddbfb1f2932a59" title="Function performs resampling, i.e. removal of low-weight samples and duplication...">resample</a> ( <a class="code" href="libEF_8h.html#99497a3ff630f761cf6bff7babd23212" title="Switch between various resampling methods.">RESAMPLING_METHOD</a> method = SYSTEMATIC ); |
| 377 | <a name="l00543"></a><a class="code" href="classeEmp.html#83f9283f92b805508d896479dc1ccf12">00543</a> vec <a class="code" href="classeEmp.html#83f9283f92b805508d896479dc1ccf12" title="inherited operation : NOT implemneted">sample</a>()<span class="keyword"> const </span>{it_error ( <span class="stringliteral">"Not implemented"</span> );<span class="keywordflow">return</span> 0;} |
| 378 | <a name="l00545"></a><a class="code" href="classeEmp.html#884f16c9fc1f888408686a660a95dacd">00545</a> <span class="keywordtype">double</span> <a class="code" href="classeEmp.html#884f16c9fc1f888408686a660a95dacd" title="inherited operation : NOT implemneted">evallog</a> ( <span class="keyword">const</span> vec &val )<span class="keyword"> const </span>{it_error ( <span class="stringliteral">"Not implemented"</span> );<span class="keywordflow">return</span> 0.0;} |
| 379 | <a name="l00546"></a><a class="code" href="classeEmp.html#ba055c19038cc72628d98e25197e982d">00546</a> vec <a class="code" href="classeEmp.html#ba055c19038cc72628d98e25197e982d" title="return expected value">mean</a>()<span class="keyword"> const </span>{ |
| 380 | <a name="l00547"></a>00547 vec pom=zeros ( <a class="code" href="classepdf.html#74da992e3f5d598da8850b646b79b9d9" title="Identified of the random variable.">rv</a>.<a class="code" href="classRV.html#f5c7b8bd589eef09ccdf3329a0addea0" title="Return number of scalars in the RV.">count</a>() ); |
| 381 | <a name="l00548"></a>00548 <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i=0;i<<a class="code" href="classeEmp.html#8c33034de0e35f03f8bb85d3d67438fd" title="Number of particles.">n</a>;i++ ) {pom+=<a class="code" href="classeEmp.html#a4d6f4bbd6a6824fc39f14676701279a" title="Samples .">samples</a> ( i ) *<a class="code" href="classeEmp.html#ae78d144404ddba843c93b171b215de8" title="Sample weights .">w</a> ( i );} |
| 382 | <a name="l00549"></a>00549 <span class="keywordflow">return</span> pom; |
| 383 | <a name="l00550"></a>00550 } |
| 384 | <a name="l00551"></a>00551 }; |
| 385 | <a name="l00552"></a>00552 |
457 | | <a name="l00626"></a><a class="code" href="classmlnorm.html#f95dfce0b500636a44ecd7e5210de999">00626</a> <span class="keywordtype">void</span> <a class="code" href="classmlnorm.html#f95dfce0b500636a44ecd7e5210de999" title="Set A and R.">mlnorm<sq_T>::set_parameters</a> ( <span class="keyword">const</span> mat &A0, <span class="keyword">const</span> vec &mu0, <span class="keyword">const</span> sq_T &R0 ) { |
458 | | <a name="l00627"></a>00627 <a class="code" href="classepdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a>.set_parameters ( zeros ( <a class="code" href="classmpdf.html#f6687c07ff07d47812dd565368ca59eb" title="modeled random variable">rv</a>.<a class="code" href="classRV.html#f5c7b8bd589eef09ccdf3329a0addea0" title="Return number of scalars in the RV.">count</a>() ),R0 ); |
459 | | <a name="l00628"></a>00628 A = A0; |
460 | | <a name="l00629"></a>00629 mu_const = mu0; |
461 | | <a name="l00630"></a>00630 } |
462 | | <a name="l00631"></a>00631 |
463 | | <a name="l00632"></a>00632 <span class="comment">// template<class sq_T></span> |
464 | | <a name="l00633"></a>00633 <span class="comment">// vec mlnorm<sq_T>::samplecond (const vec &cond, double &lik ) {</span> |
465 | | <a name="l00634"></a>00634 <span class="comment">// this->condition ( cond );</span> |
466 | | <a name="l00635"></a>00635 <span class="comment">// vec smp = epdf.sample();</span> |
467 | | <a name="l00636"></a>00636 <span class="comment">// lik = epdf.eval ( smp );</span> |
468 | | <a name="l00637"></a>00637 <span class="comment">// return smp;</span> |
469 | | <a name="l00638"></a>00638 <span class="comment">// }</span> |
470 | | <a name="l00639"></a>00639 |
471 | | <a name="l00640"></a>00640 <span class="comment">// template<class sq_T></span> |
472 | | <a name="l00641"></a>00641 <span class="comment">// mat mlnorm<sq_T>::samplecond (const vec &cond, vec &lik, int n ) {</span> |
473 | | <a name="l00642"></a>00642 <span class="comment">// int i;</span> |
474 | | <a name="l00643"></a>00643 <span class="comment">// int dim = rv.count();</span> |
475 | | <a name="l00644"></a>00644 <span class="comment">// mat Smp ( dim,n );</span> |
476 | | <a name="l00645"></a>00645 <span class="comment">// vec smp ( dim );</span> |
477 | | <a name="l00646"></a>00646 <span class="comment">// this->condition ( cond );</span> |
478 | | <a name="l00647"></a>00647 <span class="comment">//</span> |
479 | | <a name="l00648"></a>00648 <span class="comment">// for ( i=0; i<n; i++ ) {</span> |
480 | | <a name="l00649"></a>00649 <span class="comment">// smp = epdf.sample();</span> |
481 | | <a name="l00650"></a>00650 <span class="comment">// lik ( i ) = epdf.eval ( smp );</span> |
482 | | <a name="l00651"></a>00651 <span class="comment">// Smp.set_col ( i ,smp );</span> |
483 | | <a name="l00652"></a>00652 <span class="comment">// }</span> |
484 | | <a name="l00653"></a>00653 <span class="comment">//</span> |
485 | | <a name="l00654"></a>00654 <span class="comment">// return Smp;</span> |
486 | | <a name="l00655"></a>00655 <span class="comment">// }</span> |
487 | | <a name="l00656"></a>00656 |
488 | | <a name="l00657"></a>00657 <span class="keyword">template</span><<span class="keyword">class</span> sq_T> |
489 | | <a name="l00658"></a><a class="code" href="classmlnorm.html#d41126455ac64b888a38f677886e1b40">00658</a> <span class="keywordtype">void</span> <a class="code" href="classmlnorm.html#d41126455ac64b888a38f677886e1b40" title="Set value of rvc . Result of this operation is stored in epdf use function _ep to...">mlnorm<sq_T>::condition</a> ( <span class="keyword">const</span> vec &cond ) { |
490 | | <a name="l00659"></a>00659 _mu = A*cond + mu_const; |
491 | | <a name="l00660"></a>00660 <span class="comment">//R is already assigned;</span> |
492 | | <a name="l00661"></a>00661 } |
493 | | <a name="l00662"></a>00662 |
494 | | <a name="l00663"></a>00663 <span class="keyword">template</span><<span class="keyword">class</span> sq_T> |
495 | | <a name="l00664"></a><a class="code" href="classenorm.html#af50a6102846060bcb23a670bf38117b">00664</a> <a class="code" href="classepdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a>* <a class="code" href="classenorm.html#af50a6102846060bcb23a670bf38117b" title="Return marginal density on the given RV, the remainig rvs are intergrated out.">enorm<sq_T>::marginal</a> ( <span class="keyword">const</span> <a class="code" href="classRV.html" title="Class representing variables, most often random variables.">RV</a> &rvn )<span class="keyword"> const </span>{ |
496 | | <a name="l00665"></a>00665 ivec irvn = rvn.<a class="code" href="classRV.html#bb724fa4e2d9ed7bfd0993b5975018a4">dataind</a> ( <a class="code" href="classepdf.html#74da992e3f5d598da8850b646b79b9d9" title="Identified of the random variable.">rv</a> ); |
497 | | <a name="l00666"></a>00666 |
498 | | <a name="l00667"></a>00667 sq_T Rn ( <a class="code" href="classenorm.html#4ccc8d8514d644ef1c98d8ab023748a1" title="Covariance matrix in decomposed form.">R</a>,irvn ); |
499 | | <a name="l00668"></a>00668 <a class="code" href="classenorm.html" title="Gaussian density with positive definite (decomposed) covariance matrix.">enorm<sq_T></a>* tmp = <span class="keyword">new</span> <a class="code" href="classenorm.html" title="Gaussian density with positive definite (decomposed) covariance matrix.">enorm<sq_T></a> ( rvn ); |
500 | | <a name="l00669"></a>00669 tmp-><a class="code" href="classenorm.html#1394a65caa6e00d42e00cc99b12227af" title="Set mean value mu and covariance R.">set_parameters</a> ( <a class="code" href="classenorm.html#71fde0d54bba147e00f612577f95ad20" title="mean value">mu</a> ( irvn ), Rn ); |
501 | | <a name="l00670"></a>00670 <span class="keywordflow">return</span> tmp; |
502 | | <a name="l00671"></a>00671 } |
503 | | <a name="l00672"></a>00672 |
504 | | <a name="l00673"></a>00673 <span class="keyword">template</span><<span class="keyword">class</span> sq_T> |
505 | | <a name="l00674"></a><a class="code" href="classenorm.html#921024bd6d5a0e65f2af2e39bf38dfca">00674</a> <a class="code" href="classmpdf.html" title="Conditional probability density, e.g. modeling some dependencies.">mpdf</a>* <a class="code" href="classenorm.html#921024bd6d5a0e65f2af2e39bf38dfca" title="Return conditional density on the given RV, the remaining rvs will be in conditioning...">enorm<sq_T>::condition</a> ( <span class="keyword">const</span> <a class="code" href="classRV.html" title="Class representing variables, most often random variables.">RV</a> &rvn )<span class="keyword"> const </span>{ |
506 | | <a name="l00675"></a>00675 |
507 | | <a name="l00676"></a>00676 <a class="code" href="classRV.html" title="Class representing variables, most often random variables.">RV</a> rvc = <a class="code" href="classepdf.html#74da992e3f5d598da8850b646b79b9d9" title="Identified of the random variable.">rv</a>.<a class="code" href="classRV.html#b9d175c327c21488b1e2fb756a84e149" title="Subtract another variable from the current one.">subt</a> ( rvn ); |
508 | | <a name="l00677"></a>00677 it_assert_debug ( ( rvc.<a class="code" href="classRV.html#f5c7b8bd589eef09ccdf3329a0addea0" title="Return number of scalars in the RV.">count</a>() +rvn.<a class="code" href="classRV.html#f5c7b8bd589eef09ccdf3329a0addea0" title="Return number of scalars in the RV.">count</a>() ==<a class="code" href="classepdf.html#74da992e3f5d598da8850b646b79b9d9" title="Identified of the random variable.">rv</a>.<a class="code" href="classRV.html#f5c7b8bd589eef09ccdf3329a0addea0" title="Return number of scalars in the RV.">count</a>() ),<span class="stringliteral">"wrong rvn"</span> ); |
509 | | <a name="l00678"></a>00678 <span class="comment">//Permutation vector of the new R</span> |
510 | | <a name="l00679"></a>00679 ivec irvn = rvn.<a class="code" href="classRV.html#bb724fa4e2d9ed7bfd0993b5975018a4">dataind</a> ( <a class="code" href="classepdf.html#74da992e3f5d598da8850b646b79b9d9" title="Identified of the random variable.">rv</a> ); |
511 | | <a name="l00680"></a>00680 ivec irvc = rvc.<a class="code" href="classRV.html#bb724fa4e2d9ed7bfd0993b5975018a4">dataind</a> ( <a class="code" href="classepdf.html#74da992e3f5d598da8850b646b79b9d9" title="Identified of the random variable.">rv</a> ); |
512 | | <a name="l00681"></a>00681 ivec perm=concat ( irvn , irvc ); |
513 | | <a name="l00682"></a>00682 sq_T Rn ( <a class="code" href="classenorm.html#4ccc8d8514d644ef1c98d8ab023748a1" title="Covariance matrix in decomposed form.">R</a>,perm ); |
514 | | <a name="l00683"></a>00683 |
515 | | <a name="l00684"></a>00684 <span class="comment">//fixme - could this be done in general for all sq_T?</span> |
516 | | <a name="l00685"></a>00685 mat S=Rn.to_mat(); |
517 | | <a name="l00686"></a>00686 <span class="comment">//fixme</span> |
518 | | <a name="l00687"></a>00687 <span class="keywordtype">int</span> n=rvn.<a class="code" href="classRV.html#f5c7b8bd589eef09ccdf3329a0addea0" title="Return number of scalars in the RV.">count</a>()-1; |
519 | | <a name="l00688"></a>00688 <span class="keywordtype">int</span> end=<a class="code" href="classenorm.html#4ccc8d8514d644ef1c98d8ab023748a1" title="Covariance matrix in decomposed form.">R</a>.rows()-1; |
520 | | <a name="l00689"></a>00689 mat S11 = S.get ( 0,n, 0, n ); |
521 | | <a name="l00690"></a>00690 mat S12 = S.get ( 0, n , rvn.<a class="code" href="classRV.html#f5c7b8bd589eef09ccdf3329a0addea0" title="Return number of scalars in the RV.">count</a>(), end ); |
522 | | <a name="l00691"></a>00691 mat S22 = S.get ( rvn.<a class="code" href="classRV.html#f5c7b8bd589eef09ccdf3329a0addea0" title="Return number of scalars in the RV.">count</a>(), end, rvn.<a class="code" href="classRV.html#f5c7b8bd589eef09ccdf3329a0addea0" title="Return number of scalars in the RV.">count</a>(), end ); |
523 | | <a name="l00692"></a>00692 |
524 | | <a name="l00693"></a>00693 vec mu1 = <a class="code" href="classenorm.html#71fde0d54bba147e00f612577f95ad20" title="mean value">mu</a> ( irvn ); |
525 | | <a name="l00694"></a>00694 vec mu2 = <a class="code" href="classenorm.html#71fde0d54bba147e00f612577f95ad20" title="mean value">mu</a> ( irvc ); |
526 | | <a name="l00695"></a>00695 mat A=S12*inv ( S22 ); |
527 | | <a name="l00696"></a>00696 sq_T R_n ( S11 - A *S12.T() ); |
| 458 | <a name="l00626"></a><a class="code" href="classmlnorm.html#3a5ad4798d8a3878c5e93b8e796c8837">00626</a> <a class="code" href="classmlnorm.html#3a5ad4798d8a3878c5e93b8e796c8837" title="Constructor.">mlnorm<sq_T>::mlnorm</a> ( <span class="keyword">const</span> <a class="code" href="classRV.html" title="Class representing variables, most often random variables.">RV</a> &rv0, <span class="keyword">const</span> <a class="code" href="classRV.html" title="Class representing variables, most often random variables.">RV</a> &rvc0 ) :<a class="code" href="classmEF.html" title="Exponential family model.">mEF</a> ( rv0,rvc0 ),<a class="code" href="classepdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a> ( rv0 ),A ( rv0.count(),rv0.count() ),<a class="code" href="classenorm.html#0b8cb284e5af920a1b64a21d057ec5ac" title="returns a pointer to the internal mean value. Use with Care!">_mu</a> ( <a class="code" href="classepdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a>.<a class="code" href="classenorm.html#0b8cb284e5af920a1b64a21d057ec5ac" title="returns a pointer to the internal mean value. Use with Care!">_mu</a>() ) { |
| 459 | <a name="l00627"></a>00627 <a class="code" href="classmpdf.html#7aa894208a32f3487827df6d5054424c" title="pointer to internal epdf">ep</a> =&<a class="code" href="classepdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a>; |
| 460 | <a name="l00628"></a>00628 } |
| 461 | <a name="l00629"></a>00629 |
| 462 | <a name="l00630"></a>00630 <span class="keyword">template</span><<span class="keyword">class</span> sq_T> |
| 463 | <a name="l00631"></a><a class="code" href="classmlnorm.html#f95dfce0b500636a44ecd7e5210de999">00631</a> <span class="keywordtype">void</span> <a class="code" href="classmlnorm.html#f95dfce0b500636a44ecd7e5210de999" title="Set A and R.">mlnorm<sq_T>::set_parameters</a> ( <span class="keyword">const</span> mat &A0, <span class="keyword">const</span> vec &mu0, <span class="keyword">const</span> sq_T &R0 ) { |
| 464 | <a name="l00632"></a>00632 <a class="code" href="classepdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a>.set_parameters ( zeros ( <a class="code" href="classmpdf.html#f6687c07ff07d47812dd565368ca59eb" title="modeled random variable">rv</a>.<a class="code" href="classRV.html#f5c7b8bd589eef09ccdf3329a0addea0" title="Return number of scalars in the RV.">count</a>() ),R0 ); |
| 465 | <a name="l00633"></a>00633 A = A0; |
| 466 | <a name="l00634"></a>00634 mu_const = mu0; |
| 467 | <a name="l00635"></a>00635 } |
| 468 | <a name="l00636"></a>00636 |
| 469 | <a name="l00637"></a>00637 <span class="comment">// template<class sq_T></span> |
| 470 | <a name="l00638"></a>00638 <span class="comment">// vec mlnorm<sq_T>::samplecond (const vec &cond, double &lik ) {</span> |
| 471 | <a name="l00639"></a>00639 <span class="comment">// this->condition ( cond );</span> |
| 472 | <a name="l00640"></a>00640 <span class="comment">// vec smp = epdf.sample();</span> |
| 473 | <a name="l00641"></a>00641 <span class="comment">// lik = epdf.eval ( smp );</span> |
| 474 | <a name="l00642"></a>00642 <span class="comment">// return smp;</span> |
| 475 | <a name="l00643"></a>00643 <span class="comment">// }</span> |
| 476 | <a name="l00644"></a>00644 |
| 477 | <a name="l00645"></a>00645 <span class="comment">// template<class sq_T></span> |
| 478 | <a name="l00646"></a>00646 <span class="comment">// mat mlnorm<sq_T>::samplecond (const vec &cond, vec &lik, int n ) {</span> |
| 479 | <a name="l00647"></a>00647 <span class="comment">// int i;</span> |
| 480 | <a name="l00648"></a>00648 <span class="comment">// int dim = rv.count();</span> |
| 481 | <a name="l00649"></a>00649 <span class="comment">// mat Smp ( dim,n );</span> |
| 482 | <a name="l00650"></a>00650 <span class="comment">// vec smp ( dim );</span> |
| 483 | <a name="l00651"></a>00651 <span class="comment">// this->condition ( cond );</span> |
| 484 | <a name="l00652"></a>00652 <span class="comment">//</span> |
| 485 | <a name="l00653"></a>00653 <span class="comment">// for ( i=0; i<n; i++ ) {</span> |
| 486 | <a name="l00654"></a>00654 <span class="comment">// smp = epdf.sample();</span> |
| 487 | <a name="l00655"></a>00655 <span class="comment">// lik ( i ) = epdf.eval ( smp );</span> |
| 488 | <a name="l00656"></a>00656 <span class="comment">// Smp.set_col ( i ,smp );</span> |
| 489 | <a name="l00657"></a>00657 <span class="comment">// }</span> |
| 490 | <a name="l00658"></a>00658 <span class="comment">//</span> |
| 491 | <a name="l00659"></a>00659 <span class="comment">// return Smp;</span> |
| 492 | <a name="l00660"></a>00660 <span class="comment">// }</span> |
| 493 | <a name="l00661"></a>00661 |
| 494 | <a name="l00662"></a>00662 <span class="keyword">template</span><<span class="keyword">class</span> sq_T> |
| 495 | <a name="l00663"></a><a class="code" href="classmlnorm.html#d41126455ac64b888a38f677886e1b40">00663</a> <span class="keywordtype">void</span> <a class="code" href="classmlnorm.html#d41126455ac64b888a38f677886e1b40" title="Set value of rvc . Result of this operation is stored in epdf use function _ep to...">mlnorm<sq_T>::condition</a> ( <span class="keyword">const</span> vec &cond ) { |
| 496 | <a name="l00664"></a>00664 _mu = A*cond + mu_const; |
| 497 | <a name="l00665"></a>00665 <span class="comment">//R is already assigned;</span> |
| 498 | <a name="l00666"></a>00666 } |
| 499 | <a name="l00667"></a>00667 |
| 500 | <a name="l00668"></a>00668 <span class="keyword">template</span><<span class="keyword">class</span> sq_T> |
| 501 | <a name="l00669"></a><a class="code" href="classenorm.html#af50a6102846060bcb23a670bf38117b">00669</a> <a class="code" href="classepdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a>* <a class="code" href="classenorm.html#af50a6102846060bcb23a670bf38117b" title="Return marginal density on the given RV, the remainig rvs are intergrated out.">enorm<sq_T>::marginal</a> ( <span class="keyword">const</span> <a class="code" href="classRV.html" title="Class representing variables, most often random variables.">RV</a> &rvn )<span class="keyword"> const </span>{ |
| 502 | <a name="l00670"></a>00670 ivec irvn = rvn.<a class="code" href="classRV.html#bb724fa4e2d9ed7bfd0993b5975018a4">dataind</a> ( <a class="code" href="classepdf.html#74da992e3f5d598da8850b646b79b9d9" title="Identified of the random variable.">rv</a> ); |
| 503 | <a name="l00671"></a>00671 |
| 504 | <a name="l00672"></a>00672 sq_T Rn ( <a class="code" href="classenorm.html#4ccc8d8514d644ef1c98d8ab023748a1" title="Covariance matrix in decomposed form.">R</a>,irvn ); |
| 505 | <a name="l00673"></a>00673 <a class="code" href="classenorm.html" title="Gaussian density with positive definite (decomposed) covariance matrix.">enorm<sq_T></a>* tmp = <span class="keyword">new</span> <a class="code" href="classenorm.html" title="Gaussian density with positive definite (decomposed) covariance matrix.">enorm<sq_T></a> ( rvn ); |
| 506 | <a name="l00674"></a>00674 tmp-><a class="code" href="classenorm.html#1394a65caa6e00d42e00cc99b12227af" title="Set mean value mu and covariance R.">set_parameters</a> ( <a class="code" href="classenorm.html#71fde0d54bba147e00f612577f95ad20" title="mean value">mu</a> ( irvn ), Rn ); |
| 507 | <a name="l00675"></a>00675 <span class="keywordflow">return</span> tmp; |
| 508 | <a name="l00676"></a>00676 } |
| 509 | <a name="l00677"></a>00677 |
| 510 | <a name="l00678"></a>00678 <span class="keyword">template</span><<span class="keyword">class</span> sq_T> |
| 511 | <a name="l00679"></a><a class="code" href="classenorm.html#921024bd6d5a0e65f2af2e39bf38dfca">00679</a> <a class="code" href="classmpdf.html" title="Conditional probability density, e.g. modeling some dependencies.">mpdf</a>* <a class="code" href="classenorm.html#921024bd6d5a0e65f2af2e39bf38dfca" title="Return conditional density on the given RV, the remaining rvs will be in conditioning...">enorm<sq_T>::condition</a> ( <span class="keyword">const</span> <a class="code" href="classRV.html" title="Class representing variables, most often random variables.">RV</a> &rvn )<span class="keyword"> const </span>{ |
| 512 | <a name="l00680"></a>00680 |
| 513 | <a name="l00681"></a>00681 <a class="code" href="classRV.html" title="Class representing variables, most often random variables.">RV</a> rvc = <a class="code" href="classepdf.html#74da992e3f5d598da8850b646b79b9d9" title="Identified of the random variable.">rv</a>.<a class="code" href="classRV.html#b9d175c327c21488b1e2fb756a84e149" title="Subtract another variable from the current one.">subt</a> ( rvn ); |
| 514 | <a name="l00682"></a>00682 it_assert_debug ( ( rvc.<a class="code" href="classRV.html#f5c7b8bd589eef09ccdf3329a0addea0" title="Return number of scalars in the RV.">count</a>() +rvn.<a class="code" href="classRV.html#f5c7b8bd589eef09ccdf3329a0addea0" title="Return number of scalars in the RV.">count</a>() ==<a class="code" href="classepdf.html#74da992e3f5d598da8850b646b79b9d9" title="Identified of the random variable.">rv</a>.<a class="code" href="classRV.html#f5c7b8bd589eef09ccdf3329a0addea0" title="Return number of scalars in the RV.">count</a>() ),<span class="stringliteral">"wrong rvn"</span> ); |
| 515 | <a name="l00683"></a>00683 <span class="comment">//Permutation vector of the new R</span> |
| 516 | <a name="l00684"></a>00684 ivec irvn = rvn.<a class="code" href="classRV.html#bb724fa4e2d9ed7bfd0993b5975018a4">dataind</a> ( <a class="code" href="classepdf.html#74da992e3f5d598da8850b646b79b9d9" title="Identified of the random variable.">rv</a> ); |
| 517 | <a name="l00685"></a>00685 ivec irvc = rvc.<a class="code" href="classRV.html#bb724fa4e2d9ed7bfd0993b5975018a4">dataind</a> ( <a class="code" href="classepdf.html#74da992e3f5d598da8850b646b79b9d9" title="Identified of the random variable.">rv</a> ); |
| 518 | <a name="l00686"></a>00686 ivec perm=<a class="code" href="group__core.html#g33c114e83980d883c5b211c47d5322a4" title="Concat two random variables.">concat</a> ( irvn , irvc ); |
| 519 | <a name="l00687"></a>00687 sq_T Rn ( <a class="code" href="classenorm.html#4ccc8d8514d644ef1c98d8ab023748a1" title="Covariance matrix in decomposed form.">R</a>,perm ); |
| 520 | <a name="l00688"></a>00688 |
| 521 | <a name="l00689"></a>00689 <span class="comment">//fixme - could this be done in general for all sq_T?</span> |
| 522 | <a name="l00690"></a>00690 mat S=Rn.to_mat(); |
| 523 | <a name="l00691"></a>00691 <span class="comment">//fixme</span> |
| 524 | <a name="l00692"></a>00692 <span class="keywordtype">int</span> n=rvn.<a class="code" href="classRV.html#f5c7b8bd589eef09ccdf3329a0addea0" title="Return number of scalars in the RV.">count</a>()-1; |
| 525 | <a name="l00693"></a>00693 <span class="keywordtype">int</span> end=<a class="code" href="classenorm.html#4ccc8d8514d644ef1c98d8ab023748a1" title="Covariance matrix in decomposed form.">R</a>.rows()-1; |
| 526 | <a name="l00694"></a>00694 mat S11 = S.get ( 0,n, 0, n ); |
| 527 | <a name="l00695"></a>00695 mat S12 = S.get ( 0, n , rvn.<a class="code" href="classRV.html#f5c7b8bd589eef09ccdf3329a0addea0" title="Return number of scalars in the RV.">count</a>(), end ); |
| 528 | <a name="l00696"></a>00696 mat S22 = S.get ( rvn.<a class="code" href="classRV.html#f5c7b8bd589eef09ccdf3329a0addea0" title="Return number of scalars in the RV.">count</a>(), end, rvn.<a class="code" href="classRV.html#f5c7b8bd589eef09ccdf3329a0addea0" title="Return number of scalars in the RV.">count</a>(), end ); |