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67<h1>merger.h</h1><a href="merger_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001
68<a name="l00013"></a>00013 <span class="preprocessor">#ifndef MERGER_H</span>
69<a name="l00014"></a>00014 <span class="preprocessor"></span><span class="preprocessor">#define MERGER_H</span>
70<a name="l00015"></a>00015 <span class="preprocessor"></span>
71<a name="l00016"></a>00016
72<a name="l00017"></a>00017 <span class="preprocessor">#include &quot;../estim/mixtures.h&quot;</span>
73<a name="l00018"></a>00018 <span class="preprocessor">#include &quot;<a class="code" href="discrete_8h.html" title="Probability distributions for discrete support densities.">discrete.h</a>&quot;</span>
74<a name="l00019"></a>00019
75<a name="l00020"></a>00020 <span class="keyword">namespace </span>bdm {
76<a name="l00021"></a>00021 <span class="keyword">using</span> std::string;
77<a name="l00022"></a>00022
78<a name="l00024"></a>00024 <span class="keyword">enum</span> MERGER_METHOD {ARITHMETIC = 1, GEOMETRIC = 2, LOGNORMAL = 3};
79<a name="l00025"></a>00025
80<a name="l00045"></a><a class="code" href="classbdm_1_1merger__base.html">00045</a> <span class="keyword">class </span><a class="code" href="classbdm_1_1merger__base.html" title="Base class for general combination of pdfs on discrete support.">merger_base</a> : <span class="keyword">public</span> <a class="code" href="classbdm_1_1epdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a> {
81<a name="l00046"></a>00046 <span class="keyword">protected</span>:
82<a name="l00048"></a><a class="code" href="classbdm_1_1merger__base.html#a3127be48ba35960b943d31aa8b9abf88">00048</a>         Array&lt;shared_ptr&lt;mpdf&gt; &gt; <a class="code" href="classbdm_1_1merger__base.html#a3127be48ba35960b943d31aa8b9abf88" title="Elements of composition.">mpdfs</a>;
83<a name="l00049"></a>00049
84<a name="l00051"></a><a class="code" href="classbdm_1_1merger__base.html#a09bc4d43dec350a40d17953b8b59d3b7">00051</a>         Array&lt;datalink_m2e*&gt; <a class="code" href="classbdm_1_1merger__base.html#a09bc4d43dec350a40d17953b8b59d3b7" title="Data link for each mpdf in mpdfs.">dls</a>;
85<a name="l00052"></a>00052
86<a name="l00054"></a><a class="code" href="classbdm_1_1merger__base.html#a4e66803b04fc04b21b3716b3a317421f">00054</a>         Array&lt;RV&gt; <a class="code" href="classbdm_1_1merger__base.html#a4e66803b04fc04b21b3716b3a317421f" title="Array of rvs that are not modelled by mpdfs at all, .">rvzs</a>;
87<a name="l00055"></a>00055
88<a name="l00057"></a><a class="code" href="classbdm_1_1merger__base.html#a8098858f2edb1294122cbe4f05bf8694">00057</a>         Array&lt;datalink_m2e*&gt; <a class="code" href="classbdm_1_1merger__base.html#a8098858f2edb1294122cbe4f05bf8694" title="Data Links for extension .">zdls</a>;
89<a name="l00058"></a>00058
90<a name="l00060"></a><a class="code" href="classbdm_1_1merger__base.html#a39d263d92aa85553730c44958a92a541">00060</a>         <span class="keywordtype">int</span> <a class="code" href="classbdm_1_1merger__base.html#a39d263d92aa85553730c44958a92a541" title="number of support points">Npoints</a>;
91<a name="l00061"></a>00061
92<a name="l00063"></a><a class="code" href="classbdm_1_1merger__base.html#a4f6cd7ebe1c3c7556039dbfeb00f71f5">00063</a>         <span class="keywordtype">int</span> <a class="code" href="classbdm_1_1merger__base.html#a4f6cd7ebe1c3c7556039dbfeb00f71f5" title="number of sources">Nsources</a>;
93<a name="l00064"></a>00064
94<a name="l00066"></a><a class="code" href="classbdm_1_1merger__base.html#aee197330820127f3d12106ddee6b25c7">00066</a>         MERGER_METHOD <a class="code" href="classbdm_1_1merger__base.html#aee197330820127f3d12106ddee6b25c7" title="switch of the methoh used for merging">METHOD</a>;
95<a name="l00068"></a><a class="code" href="classbdm_1_1merger__base.html#a7acdf3aeded70475ba8a26450a4e197c">00068</a>         <span class="keyword">static</span> <span class="keyword">const</span> MERGER_METHOD <a class="code" href="classbdm_1_1merger__base.html#a7acdf3aeded70475ba8a26450a4e197c" title="Default for METHOD.">DFLT_METHOD</a>;
96<a name="l00069"></a>00069
97<a name="l00071"></a><a class="code" href="classbdm_1_1merger__base.html#a972f64f6f388b929cf94d2c478116f14">00071</a>         <span class="keywordtype">double</span> <a class="code" href="classbdm_1_1merger__base.html#a972f64f6f388b929cf94d2c478116f14" title="Prior on the log-normal merging model.">beta</a>;
98<a name="l00073"></a><a class="code" href="classbdm_1_1merger__base.html#adfe17e57529d84e122e61401543e9de6">00073</a>         <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">double</span> <a class="code" href="classbdm_1_1merger__base.html#adfe17e57529d84e122e61401543e9de6" title="default for beta">DFLT_beta</a>;
99<a name="l00074"></a>00074
100<a name="l00076"></a><a class="code" href="classbdm_1_1merger__base.html#aa042ce6ee1fb91048ea89bec9934718e">00076</a>         <a class="code" href="classbdm_1_1eEmp.html" title="Weighted empirical density.">eEmp</a> <a class="code" href="classbdm_1_1merger__base.html#aa042ce6ee1fb91048ea89bec9934718e" title="Projection to empirical density (could also be piece-wise linear).">eSmp</a>;
101<a name="l00077"></a>00077
102<a name="l00079"></a><a class="code" href="classbdm_1_1merger__base.html#add180c651a75a131d125305f6bb017f7">00079</a>         <span class="keywordtype">bool</span> <a class="code" href="classbdm_1_1merger__base.html#add180c651a75a131d125305f6bb017f7" title="debug or not debug">DBG</a>;
103<a name="l00080"></a>00080
104<a name="l00082"></a><a class="code" href="classbdm_1_1merger__base.html#ab2c6278b996696cb711cb7be900ccf5b">00082</a>         it_file* <a class="code" href="classbdm_1_1merger__base.html#ab2c6278b996696cb711cb7be900ccf5b" title="debugging file">dbg_file</a>;
105<a name="l00083"></a>00083 <span class="keyword">public</span>:
106<a name="l00086"></a>00086
107<a name="l00088"></a><a class="code" href="classbdm_1_1merger__base.html#af9d8c6c26c6520dbb17d4e80f635e7be">00088</a>         <a class="code" href="classbdm_1_1merger__base.html#af9d8c6c26c6520dbb17d4e80f635e7be" title="Default constructor.">merger_base</a> () : <a class="code" href="classbdm_1_1merger__base.html#a39d263d92aa85553730c44958a92a541" title="number of support points">Npoints</a>(0), <a class="code" href="classbdm_1_1merger__base.html#a4f6cd7ebe1c3c7556039dbfeb00f71f5" title="number of sources">Nsources</a>(0), <a class="code" href="classbdm_1_1merger__base.html#add180c651a75a131d125305f6bb017f7" title="debug or not debug">DBG</a>(false), <a class="code" href="classbdm_1_1merger__base.html#ab2c6278b996696cb711cb7be900ccf5b" title="debugging file">dbg_file</a>(0) {
108<a name="l00089"></a>00089         }
109<a name="l00090"></a>00090
110<a name="l00092"></a>00092         <a class="code" href="classbdm_1_1merger__base.html#af9d8c6c26c6520dbb17d4e80f635e7be" title="Default constructor.">merger_base</a> ( <span class="keyword">const</span> Array&lt;<a class="code" href="classbdm_1_1shared__ptr.html">shared_ptr&lt;mpdf&gt;</a> &gt; &amp;S );
111<a name="l00093"></a>00093
112<a name="l00095"></a><a class="code" href="classbdm_1_1merger__base.html#a871add803409c5cc3a634b4ff8fa997f">00095</a>         <span class="keywordtype">void</span> <a class="code" href="classbdm_1_1merger__base.html#a871add803409c5cc3a634b4ff8fa997f" title="Function setting the main internal structures.">set_sources</a> ( <span class="keyword">const</span> Array&lt;<a class="code" href="classbdm_1_1shared__ptr.html">shared_ptr&lt;mpdf&gt;</a> &gt; &amp;Sources ) {
113<a name="l00096"></a>00096                 <a class="code" href="classbdm_1_1merger__base.html#a3127be48ba35960b943d31aa8b9abf88" title="Elements of composition.">mpdfs</a> = Sources;
114<a name="l00097"></a>00097                 <a class="code" href="classbdm_1_1merger__base.html#a4f6cd7ebe1c3c7556039dbfeb00f71f5" title="number of sources">Nsources</a> = <a class="code" href="classbdm_1_1merger__base.html#a3127be48ba35960b943d31aa8b9abf88" title="Elements of composition.">mpdfs</a>.length();
115<a name="l00098"></a>00098                 <span class="comment">//set sizes</span>
116<a name="l00099"></a>00099                 <a class="code" href="classbdm_1_1merger__base.html#a09bc4d43dec350a40d17953b8b59d3b7" title="Data link for each mpdf in mpdfs.">dls</a>.set_size ( Sources.length() );
117<a name="l00100"></a>00100                 <a class="code" href="classbdm_1_1merger__base.html#a4e66803b04fc04b21b3716b3a317421f" title="Array of rvs that are not modelled by mpdfs at all, .">rvzs</a>.set_size ( Sources.length() );
118<a name="l00101"></a>00101                 <a class="code" href="classbdm_1_1merger__base.html#a8098858f2edb1294122cbe4f05bf8694" title="Data Links for extension .">zdls</a>.set_size ( Sources.length() );
119<a name="l00102"></a>00102
120<a name="l00103"></a>00103                 <a class="code" href="classbdm_1_1epdf.html#a62c5b8ff71d9ebe6cd58d3c342eb1dc8" title="Description of the random variable.">rv</a> = get_composite_rv ( <a class="code" href="classbdm_1_1merger__base.html#a3127be48ba35960b943d31aa8b9abf88" title="Elements of composition.">mpdfs</a>, <span class="comment">/* checkoverlap = */</span> <span class="keyword">false</span> );
121<a name="l00104"></a>00104
122<a name="l00105"></a>00105                 <a class="code" href="classbdm_1_1RV.html" title="Class representing variables, most often random variables.">RV</a> rvc;
123<a name="l00106"></a>00106                 <span class="comment">// Extend rv by rvc!</span>
124<a name="l00107"></a>00107                 <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i &lt; <a class="code" href="classbdm_1_1merger__base.html#a3127be48ba35960b943d31aa8b9abf88" title="Elements of composition.">mpdfs</a>.length(); i++ ) {
125<a name="l00108"></a>00108                         <a class="code" href="classbdm_1_1RV.html" title="Class representing variables, most often random variables.">RV</a> rvx = <a class="code" href="classbdm_1_1merger__base.html#a3127be48ba35960b943d31aa8b9abf88" title="Elements of composition.">mpdfs</a> ( i )-&gt;_rvc().subt ( <a class="code" href="classbdm_1_1epdf.html#a62c5b8ff71d9ebe6cd58d3c342eb1dc8" title="Description of the random variable.">rv</a> );
126<a name="l00109"></a>00109                         rvc.<a class="code" href="classbdm_1_1RV.html#a87841b5ee43997b79789c0c22047e224" title="Add (concat) another variable to the current one,.">add</a> ( rvx ); <span class="comment">// add rv to common rvc</span>
127<a name="l00110"></a>00110                 }
128<a name="l00111"></a>00111
129<a name="l00112"></a>00112                 <span class="comment">// join rv and rvc - see descriprion</span>
130<a name="l00113"></a>00113                 <a class="code" href="classbdm_1_1epdf.html#a62c5b8ff71d9ebe6cd58d3c342eb1dc8" title="Description of the random variable.">rv</a>.<a class="code" href="classbdm_1_1RV.html#a87841b5ee43997b79789c0c22047e224" title="Add (concat) another variable to the current one,.">add</a> ( rvc );
131<a name="l00114"></a>00114                 <span class="comment">// get dimension</span>
132<a name="l00115"></a>00115                 <a class="code" href="classbdm_1_1epdf.html#a16adac20ec7fe07e1ea0b27d917788ce" title="dimension of the random variable">dim</a> = <a class="code" href="classbdm_1_1epdf.html#a62c5b8ff71d9ebe6cd58d3c342eb1dc8" title="Description of the random variable.">rv</a>.<a class="code" href="classbdm_1_1RV.html#ade30156104f61d86c94f758861418089" title="total size of a random variable">_dsize</a>();
133<a name="l00116"></a>00116
134<a name="l00117"></a>00117                 <span class="comment">// create links between sources and common rv</span>
135<a name="l00118"></a>00118                 <a class="code" href="classbdm_1_1RV.html" title="Class representing variables, most often random variables.">RV</a> xytmp;
136<a name="l00119"></a>00119                 <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i &lt; <a class="code" href="classbdm_1_1merger__base.html#a3127be48ba35960b943d31aa8b9abf88" title="Elements of composition.">mpdfs</a>.length(); i++ ) {
137<a name="l00120"></a>00120                         <span class="comment">//Establich connection between mpdfs and merger</span>
138<a name="l00121"></a>00121                         <a class="code" href="classbdm_1_1merger__base.html#a09bc4d43dec350a40d17953b8b59d3b7" title="Data link for each mpdf in mpdfs.">dls</a> ( i ) = <span class="keyword">new</span> <a class="code" href="classbdm_1_1datalink__m2e.html" title="Data link with a condition.">datalink_m2e</a>;
139<a name="l00122"></a>00122                         <a class="code" href="classbdm_1_1merger__base.html#a09bc4d43dec350a40d17953b8b59d3b7" title="Data link for each mpdf in mpdfs.">dls</a> ( i )-&gt;set_connection ( <a class="code" href="classbdm_1_1merger__base.html#a3127be48ba35960b943d31aa8b9abf88" title="Elements of composition.">mpdfs</a> ( i )-&gt;<a class="code" href="classbdm_1_1epdf.html#aa4ab378d5e004c3ff3e2d4e64f7bba21" title="Return name (fails when isnamed is false).">_rv</a>(), <a class="code" href="classbdm_1_1merger__base.html#a3127be48ba35960b943d31aa8b9abf88" title="Elements of composition.">mpdfs</a> ( i )-&gt;_rvc(), <a class="code" href="classbdm_1_1epdf.html#a62c5b8ff71d9ebe6cd58d3c342eb1dc8" title="Description of the random variable.">rv</a> );
140<a name="l00123"></a>00123
141<a name="l00124"></a>00124                         <span class="comment">// find out what is missing in each mpdf</span>
142<a name="l00125"></a>00125                         xytmp = <a class="code" href="classbdm_1_1merger__base.html#a3127be48ba35960b943d31aa8b9abf88" title="Elements of composition.">mpdfs</a> ( i )-&gt;_rv();
143<a name="l00126"></a>00126                         xytmp.<a class="code" href="classbdm_1_1RV.html#a87841b5ee43997b79789c0c22047e224" title="Add (concat) another variable to the current one,.">add</a> ( <a class="code" href="classbdm_1_1merger__base.html#a3127be48ba35960b943d31aa8b9abf88" title="Elements of composition.">mpdfs</a> ( i )-&gt;_rvc() );
144<a name="l00127"></a>00127                         <span class="comment">// z_i = common_rv-xy</span>
145<a name="l00128"></a>00128                         <a class="code" href="classbdm_1_1merger__base.html#a4e66803b04fc04b21b3716b3a317421f" title="Array of rvs that are not modelled by mpdfs at all, .">rvzs</a> ( i ) = <a class="code" href="classbdm_1_1epdf.html#a62c5b8ff71d9ebe6cd58d3c342eb1dc8" title="Description of the random variable.">rv</a>.<a class="code" href="classbdm_1_1RV.html#aaec44dabdf0a6d90fbae95e1356eda39" title="Subtract another variable from the current one.">subt</a> ( xytmp );
146<a name="l00129"></a>00129                         <span class="comment">//establish connection between extension (z_i|x,y)s and common rv</span>
147<a name="l00130"></a>00130                         <a class="code" href="classbdm_1_1merger__base.html#a8098858f2edb1294122cbe4f05bf8694" title="Data Links for extension .">zdls</a> ( i ) = <span class="keyword">new</span> <a class="code" href="classbdm_1_1datalink__m2e.html" title="Data link with a condition.">datalink_m2e</a>;
148<a name="l00131"></a>00131                         <a class="code" href="classbdm_1_1merger__base.html#a8098858f2edb1294122cbe4f05bf8694" title="Data Links for extension .">zdls</a> ( i )-&gt;set_connection ( <a class="code" href="classbdm_1_1merger__base.html#a4e66803b04fc04b21b3716b3a317421f" title="Array of rvs that are not modelled by mpdfs at all, .">rvzs</a> ( i ), xytmp, <a class="code" href="classbdm_1_1epdf.html#a62c5b8ff71d9ebe6cd58d3c342eb1dc8" title="Description of the random variable.">rv</a> ) ;
149<a name="l00132"></a>00132                 };
150<a name="l00133"></a>00133         }
151<a name="l00135"></a><a class="code" href="classbdm_1_1merger__base.html#aa9f469f841bb8d9cb9f30b9e3b93d26f">00135</a>         <span class="keywordtype">void</span> <a class="code" href="classbdm_1_1merger__base.html#aa9f469f841bb8d9cb9f30b9e3b93d26f" title="Set support points from rectangular grid.">set_support</a> ( <a class="code" href="classbdm_1_1rectangular__support.html">rectangular_support</a> &amp;Sup) {
152<a name="l00136"></a>00136                 <a class="code" href="classbdm_1_1merger__base.html#a39d263d92aa85553730c44958a92a541" title="number of support points">Npoints</a> = Sup.<a class="code" href="classbdm_1_1rectangular__support.html#aa2cc3a7250b969675bc8f9034aa2a7d2" title="Access function.">points</a>();
153<a name="l00137"></a>00137                 <a class="code" href="classbdm_1_1merger__base.html#aa042ce6ee1fb91048ea89bec9934718e" title="Projection to empirical density (could also be piece-wise linear).">eSmp</a>.<a class="code" href="classbdm_1_1eEmp.html#ac74c281d652356c19b6b079e42ca7ef1" title="Set sample.">set_parameters</a> ( <a class="code" href="classbdm_1_1merger__base.html#a39d263d92aa85553730c44958a92a541" title="number of support points">Npoints</a>, <span class="keyword">false</span> );
154<a name="l00138"></a>00138                 Array&lt;vec&gt; &amp;samples = <a class="code" href="classbdm_1_1merger__base.html#aa042ce6ee1fb91048ea89bec9934718e" title="Projection to empirical density (could also be piece-wise linear).">eSmp</a>.<a class="code" href="classbdm_1_1eEmp.html#ac24966b0aaeb767bc8a6b4fd60931be2" title="access function">_samples</a>();
155<a name="l00139"></a>00139                 <a class="code" href="classbdm_1_1merger__base.html#aa042ce6ee1fb91048ea89bec9934718e" title="Projection to empirical density (could also be piece-wise linear).">eSmp</a>.<a class="code" href="classbdm_1_1eEmp.html#ad7f83cc0415cd44ae7cc8b4bdad93aef" title="Potentially dangerous, use with care.">_w</a>() = ones ( <a class="code" href="classbdm_1_1merger__base.html#a39d263d92aa85553730c44958a92a541" title="number of support points">Npoints</a> ) / <a class="code" href="classbdm_1_1merger__base.html#a39d263d92aa85553730c44958a92a541" title="number of support points">Npoints</a>; <span class="comment">//unifrom size of bins</span>
156<a name="l00140"></a>00140                 <span class="comment">//set samples</span>
157<a name="l00141"></a>00141                 samples(0)=Sup.<a class="code" href="classbdm_1_1rectangular__support.html#a5e0baba7f6e7dc131e8c9131d37b4f94" title="set the first vector to corner and store result in actvec">first_vec</a>();
158<a name="l00142"></a>00142                 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> j=1; j &lt; <a class="code" href="classbdm_1_1merger__base.html#a39d263d92aa85553730c44958a92a541" title="number of support points">Npoints</a>; j++ ) {
159<a name="l00143"></a>00143                         samples ( j ) = Sup.<a class="code" href="classbdm_1_1rectangular__support.html#aadc4f5bdfd1b6f863cdf7961964eb23f" title="Get next active vector, call ONLY after first_vector()!">next_vec</a>();
160<a name="l00144"></a>00144                 }
161<a name="l00145"></a>00145         }
162<a name="l00147"></a><a class="code" href="classbdm_1_1merger__base.html#a0165a2b0eaaebb7a38cfb352b6150cda">00147</a>         <span class="keywordtype">void</span> <a class="code" href="classbdm_1_1merger__base.html#a0165a2b0eaaebb7a38cfb352b6150cda" title="Set support points from dicrete grid.">set_support</a> ( <a class="code" href="classbdm_1_1discrete__support.html" title="Discrete support with stored support points.">discrete_support</a> &amp;Sup) {
163<a name="l00148"></a>00148                 <a class="code" href="classbdm_1_1merger__base.html#a39d263d92aa85553730c44958a92a541" title="number of support points">Npoints</a> = Sup.<a class="code" href="classbdm_1_1discrete__support.html#adc3d175266b65168ba3f3a5f568078a1" title="Access function.">points</a>();
164<a name="l00149"></a>00149                 <a class="code" href="classbdm_1_1merger__base.html#aa042ce6ee1fb91048ea89bec9934718e" title="Projection to empirical density (could also be piece-wise linear).">eSmp</a>.<a class="code" href="classbdm_1_1eEmp.html#ac74c281d652356c19b6b079e42ca7ef1" title="Set sample.">set_parameters</a>(Sup.<a class="code" href="classbdm_1_1discrete__support.html#a1e9af8da7fa2ac2c03b3cec1d4407b1d" title="access function">_Spoints</a>());
165<a name="l00150"></a>00150         }
166<a name="l00152"></a><a class="code" href="classbdm_1_1merger__base.html#ae4514484bac243585b0a1e44325e8add">00152</a>         <span class="keywordtype">void</span> <a class="code" href="classbdm_1_1merger__base.html#ae4514484bac243585b0a1e44325e8add" title="set debug file">set_debug_file</a> ( <span class="keyword">const</span> <span class="keywordtype">string</span> fname ) {
167<a name="l00153"></a>00153                 <span class="keywordflow">if</span> ( <a class="code" href="classbdm_1_1merger__base.html#add180c651a75a131d125305f6bb017f7" title="debug or not debug">DBG</a> ) <span class="keyword">delete</span> <a class="code" href="classbdm_1_1merger__base.html#ab2c6278b996696cb711cb7be900ccf5b" title="debugging file">dbg_file</a>;
168<a name="l00154"></a>00154                 <a class="code" href="classbdm_1_1merger__base.html#ab2c6278b996696cb711cb7be900ccf5b" title="debugging file">dbg_file</a> = <span class="keyword">new</span> it_file ( fname );
169<a name="l00155"></a>00155                 <span class="keywordflow">if</span> ( <a class="code" href="classbdm_1_1merger__base.html#ab2c6278b996696cb711cb7be900ccf5b" title="debugging file">dbg_file</a> ) <a class="code" href="classbdm_1_1merger__base.html#add180c651a75a131d125305f6bb017f7" title="debug or not debug">DBG</a> = <span class="keyword">true</span>;
170<a name="l00156"></a>00156         }
171<a name="l00158"></a><a class="code" href="classbdm_1_1merger__base.html#a86698b7fd1e4320e9830d7dc24ee6c9e">00158</a>         <span class="keywordtype">void</span> <a class="code" href="classbdm_1_1merger__base.html#a86698b7fd1e4320e9830d7dc24ee6c9e" title="Set internal parameters used in approximation.">set_method</a> ( MERGER_METHOD MTH = <a class="code" href="classbdm_1_1merger__base.html#a7acdf3aeded70475ba8a26450a4e197c" title="Default for METHOD.">DFLT_METHOD</a>, <span class="keywordtype">double</span> beta0 = <a class="code" href="classbdm_1_1merger__base.html#adfe17e57529d84e122e61401543e9de6" title="default for beta">DFLT_beta</a> ) {
172<a name="l00159"></a>00159                 <a class="code" href="classbdm_1_1merger__base.html#aee197330820127f3d12106ddee6b25c7" title="switch of the methoh used for merging">METHOD</a> = MTH;
173<a name="l00160"></a>00160                 <a class="code" href="classbdm_1_1merger__base.html#a972f64f6f388b929cf94d2c478116f14" title="Prior on the log-normal merging model.">beta</a> = beta0;
174<a name="l00161"></a>00161         }
175<a name="l00163"></a><a class="code" href="classbdm_1_1merger__base.html#a28af7b365ecd8c3a15f0e934496871e0">00163</a>         <span class="keywordtype">void</span> <a class="code" href="classbdm_1_1merger__base.html#a28af7b365ecd8c3a15f0e934496871e0" title="Set support points from a pdf by drawing N samples.">set_support</a> ( <span class="keyword">const</span> <a class="code" href="classbdm_1_1epdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a> &amp;overall, <span class="keywordtype">int</span> N ) {
176<a name="l00164"></a>00164                 <a class="code" href="classbdm_1_1merger__base.html#aa042ce6ee1fb91048ea89bec9934718e" title="Projection to empirical density (could also be piece-wise linear).">eSmp</a>.<a class="code" href="classbdm_1_1eEmp.html#ae7f8f98310c1de51bd5c8a1c87528f72" title="Set samples and weights.">set_statistics</a> ( overall, N );
177<a name="l00165"></a>00165                 <a class="code" href="classbdm_1_1merger__base.html#a39d263d92aa85553730c44958a92a541" title="number of support points">Npoints</a> = N;
178<a name="l00166"></a>00166         }
179<a name="l00167"></a>00167
180<a name="l00169"></a><a class="code" href="classbdm_1_1merger__base.html#a32d7e1dd6d91f77c81df7e82aac18689">00169</a>         <span class="keyword">virtual</span> <a class="code" href="classbdm_1_1merger__base.html#a32d7e1dd6d91f77c81df7e82aac18689" title="Destructor.">~merger_base</a>() {
181<a name="l00170"></a>00170                 <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i &lt; <a class="code" href="classbdm_1_1merger__base.html#a4f6cd7ebe1c3c7556039dbfeb00f71f5" title="number of sources">Nsources</a>; i++ ) {
182<a name="l00171"></a>00171                         <span class="keyword">delete</span> <a class="code" href="classbdm_1_1merger__base.html#a09bc4d43dec350a40d17953b8b59d3b7" title="Data link for each mpdf in mpdfs.">dls</a> ( i );
183<a name="l00172"></a>00172                         <span class="keyword">delete</span> <a class="code" href="classbdm_1_1merger__base.html#a8098858f2edb1294122cbe4f05bf8694" title="Data Links for extension .">zdls</a> ( i );
184<a name="l00173"></a>00173                 }
185<a name="l00174"></a>00174                 <span class="keywordflow">if</span> ( <a class="code" href="classbdm_1_1merger__base.html#add180c651a75a131d125305f6bb017f7" title="debug or not debug">DBG</a> ) <span class="keyword">delete</span> <a class="code" href="classbdm_1_1merger__base.html#ab2c6278b996696cb711cb7be900ccf5b" title="debugging file">dbg_file</a>;
186<a name="l00175"></a>00175         };
187<a name="l00177"></a>00177
188<a name="l00180"></a>00180
189<a name="l00182"></a><a class="code" href="classbdm_1_1merger__base.html#adf4a0094dcc40b3057675443bccb6511">00182</a>         <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="classbdm_1_1merger__base.html#adf4a0094dcc40b3057675443bccb6511" title="Merge given sources in given points.">merge</a> () {
190<a name="l00183"></a>00183                 <a class="code" href="classbdm_1_1merger__base.html#a400e222d4c41dc57ac19e6735429c4cb" title="This method TODO.">validate</a>();
191<a name="l00184"></a>00184
192<a name="l00185"></a>00185                 <span class="comment">//check if sources overlap:</span>
193<a name="l00186"></a>00186                 <span class="keywordtype">bool</span> OK = <span class="keyword">true</span>;
194<a name="l00187"></a>00187                 <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i &lt; <a class="code" href="classbdm_1_1merger__base.html#a3127be48ba35960b943d31aa8b9abf88" title="Elements of composition.">mpdfs</a>.length(); i++ ) {
195<a name="l00188"></a>00188                         OK &amp;= ( <a class="code" href="classbdm_1_1merger__base.html#a4e66803b04fc04b21b3716b3a317421f" title="Array of rvs that are not modelled by mpdfs at all, .">rvzs</a> ( i )._dsize() == 0 ); <span class="comment">// z_i is empty</span>
196<a name="l00189"></a>00189                         OK &amp;= ( <a class="code" href="classbdm_1_1merger__base.html#a3127be48ba35960b943d31aa8b9abf88" title="Elements of composition.">mpdfs</a> ( i )-&gt;_rvc()._dsize() == 0 ); <span class="comment">// y_i is empty</span>
197<a name="l00190"></a>00190                 }
198<a name="l00191"></a>00191
199<a name="l00192"></a>00192                 <span class="keywordflow">if</span> ( OK ) {
200<a name="l00193"></a>00193                         mat lW = zeros ( <a class="code" href="classbdm_1_1merger__base.html#a3127be48ba35960b943d31aa8b9abf88" title="Elements of composition.">mpdfs</a>.length(), <a class="code" href="classbdm_1_1merger__base.html#aa042ce6ee1fb91048ea89bec9934718e" title="Projection to empirical density (could also be piece-wise linear).">eSmp</a>.<a class="code" href="classbdm_1_1eEmp.html#ad7f83cc0415cd44ae7cc8b4bdad93aef" title="Potentially dangerous, use with care.">_w</a>().length() );
201<a name="l00194"></a>00194
202<a name="l00195"></a>00195                         vec emptyvec ( 0 );
203<a name="l00196"></a>00196                         <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i &lt; <a class="code" href="classbdm_1_1merger__base.html#a3127be48ba35960b943d31aa8b9abf88" title="Elements of composition.">mpdfs</a>.length(); i++ ) {
204<a name="l00197"></a>00197                                 <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> j = 0; j &lt; <a class="code" href="classbdm_1_1merger__base.html#aa042ce6ee1fb91048ea89bec9934718e" title="Projection to empirical density (could also be piece-wise linear).">eSmp</a>.<a class="code" href="classbdm_1_1eEmp.html#ad7f83cc0415cd44ae7cc8b4bdad93aef" title="Potentially dangerous, use with care.">_w</a>().length(); j++ ) {
205<a name="l00198"></a>00198                                         lW ( i, j ) = <a class="code" href="classbdm_1_1merger__base.html#a3127be48ba35960b943d31aa8b9abf88" title="Elements of composition.">mpdfs</a> ( i )-&gt;evallogcond ( <a class="code" href="classbdm_1_1merger__base.html#aa042ce6ee1fb91048ea89bec9934718e" title="Projection to empirical density (could also be piece-wise linear).">eSmp</a>.<a class="code" href="classbdm_1_1eEmp.html#ac24966b0aaeb767bc8a6b4fd60931be2" title="access function">_samples</a>() ( j ), emptyvec );
206<a name="l00199"></a>00199                                 }
207<a name="l00200"></a>00200                         }
208<a name="l00201"></a>00201
209<a name="l00202"></a>00202                         vec w_nn = <a class="code" href="classbdm_1_1merger__base.html#a1f52bf47d2cdd23a95b19e3da902e431" title="Merge log-likelihood values in points using method specified by parameter METHOD...">merge_points</a> ( lW );
210<a name="l00203"></a>00203                         vec wtmp = exp ( w_nn - max ( w_nn ) );
211<a name="l00204"></a>00204                         <span class="comment">//renormalize</span>
212<a name="l00205"></a>00205                         <a class="code" href="classbdm_1_1merger__base.html#aa042ce6ee1fb91048ea89bec9934718e" title="Projection to empirical density (could also be piece-wise linear).">eSmp</a>.<a class="code" href="classbdm_1_1eEmp.html#ad7f83cc0415cd44ae7cc8b4bdad93aef" title="Potentially dangerous, use with care.">_w</a>() = wtmp / sum ( wtmp );
213<a name="l00206"></a>00206                 } <span class="keywordflow">else</span> {
214<a name="l00207"></a>00207                         <a class="code" href="bdmerror_8h.html#a7c43f3a72afe68ab0c85663a1bb3521a" title="Unconditionally throw std::runtime_error.">bdm_error</a> ( <span class="stringliteral">&quot;Sources are not compatible - use merger_mix&quot;</span> );
215<a name="l00208"></a>00208                 }
216<a name="l00209"></a>00209         };
217<a name="l00210"></a>00210
218<a name="l00211"></a>00211
219<a name="l00213"></a>00213         vec <a class="code" href="classbdm_1_1merger__base.html#a1f52bf47d2cdd23a95b19e3da902e431" title="Merge log-likelihood values in points using method specified by parameter METHOD...">merge_points</a> ( mat &amp;lW );
220<a name="l00214"></a>00214
221<a name="l00215"></a>00215
222<a name="l00218"></a><a class="code" href="classbdm_1_1merger__base.html#a021acbf1a6e3bfde2a1b9c1c73cea6e0">00218</a>         vec <a class="code" href="classbdm_1_1merger__base.html#a021acbf1a6e3bfde2a1b9c1c73cea6e0" title="weight w is a">mean</a>()<span class="keyword"> const </span>{
223<a name="l00219"></a>00219                 <span class="keyword">const</span> Vec&lt;double&gt; &amp;w = <a class="code" href="classbdm_1_1merger__base.html#aa042ce6ee1fb91048ea89bec9934718e" title="Projection to empirical density (could also be piece-wise linear).">eSmp</a>.<a class="code" href="classbdm_1_1eEmp.html#ad7f83cc0415cd44ae7cc8b4bdad93aef" title="Potentially dangerous, use with care.">_w</a>();
224<a name="l00220"></a>00220                 <span class="keyword">const</span> Array&lt;vec&gt; &amp;S = <a class="code" href="classbdm_1_1merger__base.html#aa042ce6ee1fb91048ea89bec9934718e" title="Projection to empirical density (could also be piece-wise linear).">eSmp</a>.<a class="code" href="classbdm_1_1eEmp.html#ac24966b0aaeb767bc8a6b4fd60931be2" title="access function">_samples</a>();
225<a name="l00221"></a>00221                 vec tmp = zeros ( <a class="code" href="classbdm_1_1epdf.html#a16adac20ec7fe07e1ea0b27d917788ce" title="dimension of the random variable">dim</a> );
226<a name="l00222"></a>00222                 <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i &lt; <a class="code" href="classbdm_1_1merger__base.html#a39d263d92aa85553730c44958a92a541" title="number of support points">Npoints</a>; i++ ) {
227<a name="l00223"></a>00223                         tmp += w ( i ) * S ( i );
228<a name="l00224"></a>00224                 }
229<a name="l00225"></a>00225                 <span class="keywordflow">return</span> tmp;
230<a name="l00226"></a>00226         }
231<a name="l00227"></a>00227         mat covariance()<span class="keyword"> const </span>{
232<a name="l00228"></a>00228                 <span class="keyword">const</span> vec &amp;w = <a class="code" href="classbdm_1_1merger__base.html#aa042ce6ee1fb91048ea89bec9934718e" title="Projection to empirical density (could also be piece-wise linear).">eSmp</a>.<a class="code" href="classbdm_1_1eEmp.html#ad7f83cc0415cd44ae7cc8b4bdad93aef" title="Potentially dangerous, use with care.">_w</a>();
233<a name="l00229"></a>00229                 <span class="keyword">const</span> Array&lt;vec&gt; &amp;S = <a class="code" href="classbdm_1_1merger__base.html#aa042ce6ee1fb91048ea89bec9934718e" title="Projection to empirical density (could also be piece-wise linear).">eSmp</a>.<a class="code" href="classbdm_1_1eEmp.html#ac24966b0aaeb767bc8a6b4fd60931be2" title="access function">_samples</a>();
234<a name="l00230"></a>00230
235<a name="l00231"></a>00231                 vec mea = <a class="code" href="classbdm_1_1merger__base.html#a021acbf1a6e3bfde2a1b9c1c73cea6e0" title="weight w is a">mean</a>();
236<a name="l00232"></a>00232
237<a name="l00233"></a>00233 <span class="comment">//                      cout &lt;&lt; sum (w) &lt;&lt; &quot;,&quot; &lt;&lt; w*w &lt;&lt; endl;</span>
238<a name="l00234"></a>00234
239<a name="l00235"></a>00235                 mat Tmp = zeros ( <a class="code" href="classbdm_1_1epdf.html#a16adac20ec7fe07e1ea0b27d917788ce" title="dimension of the random variable">dim</a>, <a class="code" href="classbdm_1_1epdf.html#a16adac20ec7fe07e1ea0b27d917788ce" title="dimension of the random variable">dim</a> );
240<a name="l00236"></a>00236                 <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i &lt; <a class="code" href="classbdm_1_1merger__base.html#a39d263d92aa85553730c44958a92a541" title="number of support points">Npoints</a>; i++ ) {
241<a name="l00237"></a>00237                         Tmp += w ( i ) * outer_product ( S ( i ), S ( i ) );
242<a name="l00238"></a>00238                 }
243<a name="l00239"></a>00239                 <span class="keywordflow">return</span> Tmp - outer_product ( mea, mea );
244<a name="l00240"></a>00240         }
245<a name="l00241"></a><a class="code" href="classbdm_1_1merger__base.html#a76fe431922844d132b4e1ecf70f53c99">00241</a>         vec <a class="code" href="classbdm_1_1merger__base.html#a76fe431922844d132b4e1ecf70f53c99" title="return expected variance (not covariance!)">variance</a>()<span class="keyword"> const </span>{
246<a name="l00242"></a>00242                 <span class="keyword">const</span> vec &amp;w = <a class="code" href="classbdm_1_1merger__base.html#aa042ce6ee1fb91048ea89bec9934718e" title="Projection to empirical density (could also be piece-wise linear).">eSmp</a>.<a class="code" href="classbdm_1_1eEmp.html#ad7f83cc0415cd44ae7cc8b4bdad93aef" title="Potentially dangerous, use with care.">_w</a>();
247<a name="l00243"></a>00243                 <span class="keyword">const</span> Array&lt;vec&gt; &amp;S = <a class="code" href="classbdm_1_1merger__base.html#aa042ce6ee1fb91048ea89bec9934718e" title="Projection to empirical density (could also be piece-wise linear).">eSmp</a>.<a class="code" href="classbdm_1_1eEmp.html#ac24966b0aaeb767bc8a6b4fd60931be2" title="access function">_samples</a>();
248<a name="l00244"></a>00244
249<a name="l00245"></a>00245                 vec tmp = zeros ( <a class="code" href="classbdm_1_1epdf.html#a16adac20ec7fe07e1ea0b27d917788ce" title="dimension of the random variable">dim</a> );
250<a name="l00246"></a>00246                 <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i &lt; <a class="code" href="classbdm_1_1merger__base.html#a4f6cd7ebe1c3c7556039dbfeb00f71f5" title="number of sources">Nsources</a>; i++ ) {
251<a name="l00247"></a>00247                         tmp += w ( i ) * pow ( S ( i ), 2 );
252<a name="l00248"></a>00248                 }
253<a name="l00249"></a>00249                 <span class="keywordflow">return</span> tmp - pow ( <a class="code" href="classbdm_1_1merger__base.html#a021acbf1a6e3bfde2a1b9c1c73cea6e0" title="weight w is a">mean</a>(), 2 );
254<a name="l00250"></a>00250         }
255<a name="l00252"></a>00252
256<a name="l00255"></a>00255
257<a name="l00257"></a><a class="code" href="classbdm_1_1merger__base.html#afb682e470103f4e0b353b7c9200d177f">00257</a>         <a class="code" href="classbdm_1_1eEmp.html" title="Weighted empirical density.">eEmp</a>&amp; <a class="code" href="classbdm_1_1merger__base.html#afb682e470103f4e0b353b7c9200d177f" title="Access function.">_Smp</a>() {
258<a name="l00258"></a>00258                 <span class="keywordflow">return</span> <a class="code" href="classbdm_1_1merger__base.html#aa042ce6ee1fb91048ea89bec9934718e" title="Projection to empirical density (could also be piece-wise linear).">eSmp</a>;
259<a name="l00259"></a>00259         }
260<a name="l00260"></a>00260
261<a name="l00262"></a><a class="code" href="classbdm_1_1merger__base.html#a10dd390fc6f0d1733bb07cb51977160c">00262</a>         <span class="keywordtype">void</span> <a class="code" href="classbdm_1_1merger__base.html#a10dd390fc6f0d1733bb07cb51977160c" title="load from setting">from_setting</a> ( <span class="keyword">const</span> Setting&amp; <span class="keyword">set</span> ) {
262<a name="l00263"></a>00263                 <span class="comment">// get support</span>
263<a name="l00264"></a>00264                 <span class="comment">// find which method to use</span>
264<a name="l00265"></a>00265                 <span class="keywordtype">string</span> meth_str;
265<a name="l00266"></a>00266                 UI::get&lt;string&gt; ( meth_str, <span class="keyword">set</span>, <span class="stringliteral">&quot;method&quot;</span>, UI::compulsory );
266<a name="l00267"></a>00267                 <span class="keywordflow">if</span> ( !strcmp ( meth_str.c_str(), <span class="stringliteral">&quot;arithmetic&quot;</span> ) )
267<a name="l00268"></a>00268                         <a class="code" href="classbdm_1_1merger__base.html#a86698b7fd1e4320e9830d7dc24ee6c9e" title="Set internal parameters used in approximation.">set_method</a> ( ARITHMETIC );
268<a name="l00269"></a>00269                 <span class="keywordflow">else</span> {
269<a name="l00270"></a>00270                         <span class="keywordflow">if</span> ( !strcmp ( meth_str.c_str(), <span class="stringliteral">&quot;geometric&quot;</span> ) )
270<a name="l00271"></a>00271                                 <a class="code" href="classbdm_1_1merger__base.html#a86698b7fd1e4320e9830d7dc24ee6c9e" title="Set internal parameters used in approximation.">set_method</a> ( GEOMETRIC );
271<a name="l00272"></a>00272                         <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( !strcmp ( meth_str.c_str(), <span class="stringliteral">&quot;lognormal&quot;</span> ) ) {
272<a name="l00273"></a>00273                                 <a class="code" href="classbdm_1_1merger__base.html#a86698b7fd1e4320e9830d7dc24ee6c9e" title="Set internal parameters used in approximation.">set_method</a> ( LOGNORMAL );
273<a name="l00274"></a>00274                                 <span class="keyword">set</span>.lookupValue ( <span class="stringliteral">&quot;beta&quot;</span>, <a class="code" href="classbdm_1_1merger__base.html#a972f64f6f388b929cf94d2c478116f14" title="Prior on the log-normal merging model.">beta</a> );
274<a name="l00275"></a>00275                         }
275<a name="l00276"></a>00276                 }
276<a name="l00277"></a>00277                 <span class="keywordtype">string</span> <a class="code" href="classbdm_1_1merger__base.html#ab2c6278b996696cb711cb7be900ccf5b" title="debugging file">dbg_file</a>;
277<a name="l00278"></a>00278                 <span class="keywordflow">if</span> ( <a class="code" href="classbdm_1_1UI.html#acd1667e6fec99ec64dabcb3ca2ff922d">UI::get</a> ( dbg_file, <span class="keyword">set</span>, <span class="stringliteral">&quot;dbg_file&quot;</span> ) )
278<a name="l00279"></a>00279                         <a class="code" href="classbdm_1_1merger__base.html#ae4514484bac243585b0a1e44325e8add" title="set debug file">set_debug_file</a> ( dbg_file );
279<a name="l00280"></a>00280                 <span class="comment">//validate() - not used</span>
280<a name="l00281"></a>00281         }
281<a name="l00282"></a>00282
282<a name="l00283"></a><a class="code" href="classbdm_1_1merger__base.html#a400e222d4c41dc57ac19e6735429c4cb">00283</a>         <span class="keywordtype">void</span> <a class="code" href="classbdm_1_1merger__base.html#a400e222d4c41dc57ac19e6735429c4cb" title="This method TODO.">validate</a>() {
283<a name="l00284"></a>00284                 <a class="code" href="bdmerror_8h.html#a7a3399d182b8e3065532596e76f84849" title="Throw std::runtime_exception if t is not true.">bdm_assert</a> ( <a class="code" href="classbdm_1_1merger__base.html#aa042ce6ee1fb91048ea89bec9934718e" title="Projection to empirical density (could also be piece-wise linear).">eSmp</a>.<a class="code" href="classbdm_1_1eEmp.html#ad7f83cc0415cd44ae7cc8b4bdad93aef" title="Potentially dangerous, use with care.">_w</a>().length() &gt; 0, <span class="stringliteral">&quot;Empty support, use set_support().&quot;</span> );
284<a name="l00285"></a>00285                 <a class="code" href="bdmerror_8h.html#a7a3399d182b8e3065532596e76f84849" title="Throw std::runtime_exception if t is not true.">bdm_assert</a> ( <a class="code" href="classbdm_1_1epdf.html#a16adac20ec7fe07e1ea0b27d917788ce" title="dimension of the random variable">dim</a> == <a class="code" href="classbdm_1_1merger__base.html#aa042ce6ee1fb91048ea89bec9934718e" title="Projection to empirical density (could also be piece-wise linear).">eSmp</a>.<a class="code" href="classbdm_1_1eEmp.html#ac24966b0aaeb767bc8a6b4fd60931be2" title="access function">_samples</a>() ( 0 ).length(), <span class="stringliteral">&quot;Support points and rv are not compatible!&quot;</span> );
285<a name="l00286"></a>00286                 <a class="code" href="bdmerror_8h.html#a7a3399d182b8e3065532596e76f84849" title="Throw std::runtime_exception if t is not true.">bdm_assert</a> ( <a class="code" href="classbdm_1_1epdf.html#ac4b863ff84c7a4882fb3ad18556027f9" title="True if rv is assigned.">isnamed</a>(), <span class="stringliteral">&quot;mergers must be named&quot;</span> );
286<a name="l00287"></a>00287         }
287<a name="l00289"></a>00289 };
288<a name="l00290"></a>00290 <a class="code" href="user__info_8h.html#a4f9de2f17e844047726487b99def99c6" title="Macro for registration of class into map of user-infos, registered class is scriptable...">UIREGISTER</a> ( merger_base );
289<a name="l00291"></a>00291 SHAREDPTR ( merger_base );
290<a name="l00292"></a>00292
291<a name="l00294"></a><a class="code" href="classbdm_1_1merger__mix.html">00294</a> <span class="keyword">class </span><a class="code" href="classbdm_1_1merger__mix.html" title="Merger using importance sampling with mixture proposal density.">merger_mix</a> : <span class="keyword">public</span> <a class="code" href="classbdm_1_1merger__base.html" title="Base class for general combination of pdfs on discrete support.">merger_base</a> {
292<a name="l00295"></a>00295 <span class="keyword">protected</span>:
293<a name="l00297"></a><a class="code" href="classbdm_1_1merger__mix.html#acb885228de5b2822d33d7cea4de53112">00297</a>         <a class="code" href="classbdm_1_1MixEF.html" title="Mixture of Exponential Family Densities.">MixEF</a> <a class="code" href="classbdm_1_1merger__mix.html#acb885228de5b2822d33d7cea4de53112" title="Internal mixture of EF models.">Mix</a>;
294<a name="l00299"></a><a class="code" href="classbdm_1_1merger__mix.html#a83275ad036e7acda876babfa6ac1f07f">00299</a>         <span class="keywordtype">int</span> <a class="code" href="classbdm_1_1merger__mix.html#a83275ad036e7acda876babfa6ac1f07f" title="Number of components in a mixture.">Ncoms</a>;
295<a name="l00301"></a><a class="code" href="classbdm_1_1merger__mix.html#acb7d8918bea514f62321988dfd0d6b58">00301</a>         <span class="keywordtype">double</span> <a class="code" href="classbdm_1_1merger__mix.html#acb7d8918bea514f62321988dfd0d6b58" title="coefficient of resampling [0,1]">effss_coef</a>;
296<a name="l00303"></a><a class="code" href="classbdm_1_1merger__mix.html#a996571da3a24431a9d159e625b0717cd">00303</a>         <span class="keywordtype">int</span> <a class="code" href="classbdm_1_1merger__mix.html#a996571da3a24431a9d159e625b0717cd" title="stop after niter iterations">stop_niter</a>;
297<a name="l00304"></a>00304
298<a name="l00306"></a><a class="code" href="classbdm_1_1merger__mix.html#a615688c5aeea9a7eee2b0b4424e8ceab">00306</a>         <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">int</span> <a class="code" href="classbdm_1_1merger__mix.html#a615688c5aeea9a7eee2b0b4424e8ceab" title="default value for Ncoms">DFLT_Ncoms</a>;
299<a name="l00308"></a><a class="code" href="classbdm_1_1merger__mix.html#a3ee8d9f7055b573c02e6a35875ec2397">00308</a>         <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">double</span> <a class="code" href="classbdm_1_1merger__mix.html#a3ee8d9f7055b573c02e6a35875ec2397" title="default value for efss_coef;">DFLT_effss_coef</a>;
300<a name="l00309"></a>00309
301<a name="l00310"></a>00310 <span class="keyword">public</span>:
302<a name="l00313"></a>00313         <a class="code" href="classbdm_1_1merger__mix.html" title="Merger using importance sampling with mixture proposal density.">merger_mix</a> ():<a class="code" href="classbdm_1_1merger__mix.html#a83275ad036e7acda876babfa6ac1f07f" title="Number of components in a mixture.">Ncoms</a>(0), <a class="code" href="classbdm_1_1merger__mix.html#acb7d8918bea514f62321988dfd0d6b58" title="coefficient of resampling [0,1]">effss_coef</a>(0), <a class="code" href="classbdm_1_1merger__mix.html#a996571da3a24431a9d159e625b0717cd" title="stop after niter iterations">stop_niter</a>(0) { }
303<a name="l00314"></a>00314
304<a name="l00315"></a>00315         <a class="code" href="classbdm_1_1merger__mix.html" title="Merger using importance sampling with mixture proposal density.">merger_mix</a> ( <span class="keyword">const</span> Array&lt;<a class="code" href="classbdm_1_1shared__ptr.html">shared_ptr&lt;mpdf&gt;</a> &gt; &amp;S ):
305<a name="l00316"></a>00316                 <a class="code" href="classbdm_1_1merger__mix.html#a83275ad036e7acda876babfa6ac1f07f" title="Number of components in a mixture.">Ncoms</a>(0), <a class="code" href="classbdm_1_1merger__mix.html#acb7d8918bea514f62321988dfd0d6b58" title="coefficient of resampling [0,1]">effss_coef</a>(0), <a class="code" href="classbdm_1_1merger__mix.html#a996571da3a24431a9d159e625b0717cd" title="stop after niter iterations">stop_niter</a>(0) {
306<a name="l00317"></a>00317                 <a class="code" href="classbdm_1_1merger__mix.html#aff4c1e544c33073438e7f5da38b0f3b8" title="Set sources and prepare all internal structures.">set_sources</a> ( S );
307<a name="l00318"></a>00318         }
308<a name="l00319"></a>00319
309<a name="l00321"></a><a class="code" href="classbdm_1_1merger__mix.html#aff4c1e544c33073438e7f5da38b0f3b8">00321</a>         <span class="keywordtype">void</span> <a class="code" href="classbdm_1_1merger__mix.html#aff4c1e544c33073438e7f5da38b0f3b8" title="Set sources and prepare all internal structures.">set_sources</a> ( <span class="keyword">const</span> Array&lt;<a class="code" href="classbdm_1_1shared__ptr.html">shared_ptr&lt;mpdf&gt;</a> &gt; &amp;S ) {
310<a name="l00322"></a>00322                 <a class="code" href="classbdm_1_1merger__mix.html#aff4c1e544c33073438e7f5da38b0f3b8" title="Set sources and prepare all internal structures.">merger_base::set_sources</a> ( S );
311<a name="l00323"></a>00323                 <a class="code" href="classbdm_1_1merger__base.html#a4f6cd7ebe1c3c7556039dbfeb00f71f5" title="number of sources">Nsources</a> = S.length();
312<a name="l00324"></a>00324         }
313<a name="l00325"></a>00325
314<a name="l00327"></a><a class="code" href="classbdm_1_1merger__mix.html#aa6d90b23edca00d392cd472297a57fe3">00327</a>         <span class="keywordtype">void</span> <a class="code" href="classbdm_1_1merger__mix.html#aa6d90b23edca00d392cd472297a57fe3" title="Set internal parameters used in approximation.">set_parameters</a> ( <span class="keywordtype">int</span> Ncoms0 = <a class="code" href="classbdm_1_1merger__mix.html#a615688c5aeea9a7eee2b0b4424e8ceab" title="default value for Ncoms">DFLT_Ncoms</a>, <span class="keywordtype">double</span> effss_coef0 = <a class="code" href="classbdm_1_1merger__mix.html#a3ee8d9f7055b573c02e6a35875ec2397" title="default value for efss_coef;">DFLT_effss_coef</a> ) {
315<a name="l00328"></a>00328                 <a class="code" href="classbdm_1_1merger__mix.html#a83275ad036e7acda876babfa6ac1f07f" title="Number of components in a mixture.">Ncoms</a> = Ncoms0;
316<a name="l00329"></a>00329                 <a class="code" href="classbdm_1_1merger__mix.html#acb7d8918bea514f62321988dfd0d6b58" title="coefficient of resampling [0,1]">effss_coef</a> = effss_coef0;
317<a name="l00330"></a>00330         }
318<a name="l00332"></a>00332
319<a name="l00335"></a>00335
320<a name="l00337"></a>00337         <span class="keywordtype">void</span> <a class="code" href="classbdm_1_1merger__mix.html#a6e800116f761e46b33a822d7cea01dc8" title="Merge values using mixture approximation.">merge</a> ();
321<a name="l00338"></a>00338
322<a name="l00340"></a><a class="code" href="classbdm_1_1merger__mix.html#a0991d4ac37cc7fc44b5b065983de3dd8">00340</a>         vec <a class="code" href="classbdm_1_1merger__mix.html#a0991d4ac37cc7fc44b5b065983de3dd8" title="sample from the approximating mixture">sample</a> ()<span class="keyword"> const </span>{
323<a name="l00341"></a>00341                 <span class="keywordflow">return</span> <a class="code" href="classbdm_1_1merger__mix.html#acb885228de5b2822d33d7cea4de53112" title="Internal mixture of EF models.">Mix</a>.posterior().<a class="code" href="classbdm_1_1epdf.html#a75ba57a89681a8efec488f5796c7cc1b" title="Returns a sample,  from density .">sample</a>();
324<a name="l00342"></a>00342         }
325<a name="l00344"></a><a class="code" href="classbdm_1_1merger__mix.html#a9737ad6d1ecf4e0cdd6cea6a40875a34">00344</a>         <span class="keywordtype">double</span> <a class="code" href="classbdm_1_1merger__mix.html#a9737ad6d1ecf4e0cdd6cea6a40875a34" title="loglikelihood computed on mixture models">evallog</a> ( <span class="keyword">const</span> vec &amp;dt )<span class="keyword"> const </span>{
326<a name="l00345"></a>00345                 vec dtf = ones ( dt.length() + 1 );
327<a name="l00346"></a>00346                 dtf.set_subvector ( 0, dt );
328<a name="l00347"></a>00347                 <span class="keywordflow">return</span> <a class="code" href="classbdm_1_1merger__mix.html#acb885228de5b2822d33d7cea4de53112" title="Internal mixture of EF models.">Mix</a>.<a class="code" href="classbdm_1_1MixEF.html#ada724da464a75e07521941e430929efa">logpred</a> ( dtf );
329<a name="l00348"></a>00348         }
330<a name="l00350"></a>00350
331<a name="l00354"></a><a class="code" href="classbdm_1_1merger__mix.html#afa37f0606bbdab195986995b77d57b67">00354</a>         <a class="code" href="classbdm_1_1MixEF.html" title="Mixture of Exponential Family Densities.">MixEF</a>&amp; <a class="code" href="classbdm_1_1merger__mix.html#afa37f0606bbdab195986995b77d57b67" title="Access function.">_Mix</a>() {
332<a name="l00355"></a>00355                 <span class="keywordflow">return</span> <a class="code" href="classbdm_1_1merger__mix.html#acb885228de5b2822d33d7cea4de53112" title="Internal mixture of EF models.">Mix</a>;
333<a name="l00356"></a>00356         }
334<a name="l00358"></a><a class="code" href="classbdm_1_1merger__mix.html#a1daae5402e15784f2ec1e88324930c12">00358</a>         <a class="code" href="classbdm_1_1emix.html" title="Mixture of epdfs.">emix</a>* <a class="code" href="classbdm_1_1merger__mix.html#a1daae5402e15784f2ec1e88324930c12" title="Access function.">proposal</a>() {
335<a name="l00359"></a>00359                 <a class="code" href="classbdm_1_1emix.html" title="Mixture of epdfs.">emix</a>* tmp = <a class="code" href="classbdm_1_1merger__mix.html#acb885228de5b2822d33d7cea4de53112" title="Internal mixture of EF models.">Mix</a>.<a class="code" href="classbdm_1_1MixEF.html#aedc50e9640f049b846084748b18469a2" title="Constructs a predictive density .">epredictor</a>();
336<a name="l00360"></a>00360                 tmp-&gt;<a class="code" href="classbdm_1_1emix.html#a04a8632cfa9299ae937228eb732fd61e" title="Name its rv.">set_rv</a> ( <a class="code" href="classbdm_1_1epdf.html#a62c5b8ff71d9ebe6cd58d3c342eb1dc8" title="Description of the random variable.">rv</a> );
337<a name="l00361"></a>00361                 <span class="keywordflow">return</span> tmp;
338<a name="l00362"></a>00362         }
339<a name="l00364"></a><a class="code" href="classbdm_1_1merger__mix.html#a9f12b2c66344e25e6b3ef0255d000478">00364</a>         <span class="keywordtype">void</span> <a class="code" href="classbdm_1_1merger__mix.html#a9f12b2c66344e25e6b3ef0255d000478" title="from_settings">from_setting</a> ( <span class="keyword">const</span> Setting&amp; <span class="keyword">set</span> ) {
340<a name="l00365"></a>00365                 <a class="code" href="classbdm_1_1merger__mix.html#a9f12b2c66344e25e6b3ef0255d000478" title="from_settings">merger_base::from_setting</a> ( <span class="keyword">set</span> );
341<a name="l00366"></a>00366                 <span class="keyword">set</span>.lookupValue ( <span class="stringliteral">&quot;ncoms&quot;</span>, <a class="code" href="classbdm_1_1merger__mix.html#a83275ad036e7acda876babfa6ac1f07f" title="Number of components in a mixture.">Ncoms</a> );
342<a name="l00367"></a>00367                 <span class="keyword">set</span>.lookupValue ( <span class="stringliteral">&quot;effss_coef&quot;</span>, <a class="code" href="classbdm_1_1merger__mix.html#acb7d8918bea514f62321988dfd0d6b58" title="coefficient of resampling [0,1]">effss_coef</a> );
343<a name="l00368"></a>00368                 <span class="keyword">set</span>.lookupValue ( <span class="stringliteral">&quot;stop_niter&quot;</span>, <a class="code" href="classbdm_1_1merger__mix.html#a996571da3a24431a9d159e625b0717cd" title="stop after niter iterations">stop_niter</a> );
344<a name="l00369"></a>00369         }
345<a name="l00370"></a>00370
346<a name="l00372"></a>00372
347<a name="l00373"></a>00373 };
348<a name="l00374"></a>00374 <a class="code" href="user__info_8h.html#a4f9de2f17e844047726487b99def99c6" title="Macro for registration of class into map of user-infos, registered class is scriptable...">UIREGISTER</a> ( merger_mix );
349<a name="l00375"></a>00375 SHAREDPTR ( merger_mix );
350<a name="l00376"></a>00376
351<a name="l00377"></a>00377 }
352<a name="l00378"></a>00378
353<a name="l00379"></a>00379 <span class="preprocessor">#endif // MER_H</span>
354</pre></div></div>
355<hr size="1"/><address style="text-align: right;"><small>Generated on Tue Sep 15 23:42:47 2009 for mixpp by&nbsp;
356<a href="http://www.doxygen.org/index.html">
357<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.1 </small></address>
358</body>
359</html>
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