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26<h1>mmix Class Reference</h1><!-- doxytag: class="mmix" --><!-- doxytag: inherits="mpdf" -->Mixture of mpdfs with constant weights. 
27<a href="#_details">More...</a>
28<p>
29<code>#include &lt;<a class="el" href="emix_8h-source.html">emix.h</a>&gt;</code>
30<p>
31<div class="dynheader">
32Inheritance diagram for mmix:</div>
33<div class="dynsection">
34<p><center><img src="classmmix__inherit__graph.png" border="0" usemap="#mmix__inherit__map" alt="Inheritance graph"></center>
35<map name="mmix__inherit__map">
36<area shape="rect" href="classmpdf.html" title="Conditional probability density, e.g. modeling some dependencies." alt="" coords="7,7,60,33"></map>
37<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center></div>
38<div class="dynheader">
39Collaboration diagram for mmix:</div>
40<div class="dynsection">
41<p><center><img src="classmmix__coll__graph.png" border="0" usemap="#mmix__coll__map" alt="Collaboration graph"></center>
42<map name="mmix__coll__map">
43<area shape="rect" href="classmpdf.html" title="Conditional probability density, e.g. modeling some dependencies." alt="" coords="5,204,59,231"><area shape="rect" href="classRV.html" title="Class representing variables, most often random variables." alt="" coords="36,7,73,33"><area shape="rect" href="classepdf.html" title="Probability density function with numerical statistics, e.g. posterior density." alt="" coords="71,105,119,132"><area shape="rect" href="classemix.html" title="Mixture of epdfs." alt="" coords="83,204,133,231"></map>
44<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center></div>
45
46<p>
47<a href="classmmix-members.html">List of all members.</a><table border="0" cellpadding="0" cellspacing="0">
48<tr><td></td></tr>
49<tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr>
50<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="6769a962f1f4d0ecc5b903b5f7d26ad3"></a><!-- doxytag: member="mmix::mmix" ref="6769a962f1f4d0ecc5b903b5f7d26ad3" args="(RV &amp;rv, RV &amp;rvc)" -->
51&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classmmix.html#6769a962f1f4d0ecc5b903b5f7d26ad3">mmix</a> (<a class="el" href="classRV.html">RV</a> &amp;<a class="el" href="classmpdf.html#f6687c07ff07d47812dd565368ca59eb">rv</a>, <a class="el" href="classRV.html">RV</a> &amp;<a class="el" href="classmpdf.html#acb7dda792b3cd5576f39fa3129abbab">rvc</a>)</td></tr>
52
53<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Default constructor. <br></td></tr>
54<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="e7681490a5c5b2d0a43f4e5842e10a9d"></a><!-- doxytag: member="mmix::set_parameters" ref="e7681490a5c5b2d0a43f4e5842e10a9d" args="(const vec &amp;w, const Array&lt; mpdf * &gt; &amp;Coms)" -->
55void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classmmix.html#e7681490a5c5b2d0a43f4e5842e10a9d">set_parameters</a> (const vec &amp;w, const Array&lt; <a class="el" href="classmpdf.html">mpdf</a> * &gt; &amp;<a class="el" href="classmmix.html#460632c7a0afd41b7840902181a7d85f">Coms</a>)</td></tr>
56
57<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Set weights <code>w</code> and components <code>R</code>. <br></td></tr>
58<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="1a66629ec5c2b6f4740606cf737f0193"></a><!-- doxytag: member="mmix::condition" ref="1a66629ec5c2b6f4740606cf737f0193" args="(const vec &amp;cond)" -->
59void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classmmix.html#1a66629ec5c2b6f4740606cf737f0193">condition</a> (const vec &amp;cond)</td></tr>
60
61<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Update <code>ep</code> so that it represents this <a class="el" href="classmpdf.html" title="Conditional probability density, e.g. modeling some dependencies.">mpdf</a> conditioned on <code>rvc</code> = cond. <br></td></tr>
62<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual vec&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classmpdf.html#b0193a350c97933ddf15b15a130da352">samplecond</a> (vec &amp;cond, double &amp;ll)</td></tr>
63
64<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Returns the required moment of the <a class="el" href="classepdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a>.  <a href="#b0193a350c97933ddf15b15a130da352"></a><br></td></tr>
65<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual mat&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classmpdf.html#6bf806badfdac606c847e458e8fce18c">samplecond</a> (vec &amp;cond, vec &amp;ll, int N)</td></tr>
66
67<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Returns N samples from the density conditioned on <code>cond</code>, <img class="formulaInl" alt="$x \sim epdf(rv|cond)$" src="form_10.png">.  <a href="#6bf806badfdac606c847e458e8fce18c"></a><br></td></tr>
68<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="80b738ece5bd4f8c4edaee4b38906f91"></a><!-- doxytag: member="mmix::evalcond" ref="80b738ece5bd4f8c4edaee4b38906f91" args="(const vec &amp;dt, const vec &amp;cond)" -->
69virtual double&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classmpdf.html#80b738ece5bd4f8c4edaee4b38906f91">evalcond</a> (const vec &amp;dt, const vec &amp;cond)</td></tr>
70
71<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Shortcut for conditioning and evaluation of the internal <a class="el" href="classepdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a>. In some cases, this operation can be implemented efficiently. <br></td></tr>
72<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="ec9c850305984582548e8deb64f0ffe8"></a><!-- doxytag: member="mmix::_rvc" ref="ec9c850305984582548e8deb64f0ffe8" args="()" -->
73<a class="el" href="classRV.html">RV</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classmpdf.html#ec9c850305984582548e8deb64f0ffe8">_rvc</a> ()</td></tr>
74
75<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">access function <br></td></tr>
76<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="e17780ee5b2cfe05922a6c56af1462f8"></a><!-- doxytag: member="mmix::_epdf" ref="e17780ee5b2cfe05922a6c56af1462f8" args="()" -->
77<a class="el" href="classepdf.html">epdf</a> &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classmpdf.html#e17780ee5b2cfe05922a6c56af1462f8">_epdf</a> ()</td></tr>
78
79<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">access function <br></td></tr>
80<tr><td colspan="2"><br><h2>Protected Attributes</h2></td></tr>
81<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="460632c7a0afd41b7840902181a7d85f"></a><!-- doxytag: member="mmix::Coms" ref="460632c7a0afd41b7840902181a7d85f" args="" -->
82Array&lt; <a class="el" href="classmpdf.html">mpdf</a> * &gt;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classmmix.html#460632c7a0afd41b7840902181a7d85f">Coms</a></td></tr>
83
84<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Component (epdfs). <br></td></tr>
85<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="507a5e6df53e6e9a6a330f1271cf0914"></a><!-- doxytag: member="mmix::Epdf" ref="507a5e6df53e6e9a6a330f1271cf0914" args="" -->
86<a class="el" href="classemix.html">emix</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classmmix.html#507a5e6df53e6e9a6a330f1271cf0914">Epdf</a></td></tr>
87
88<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Internal <a class="el" href="classepdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a>. <br></td></tr>
89<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="f6687c07ff07d47812dd565368ca59eb"></a><!-- doxytag: member="mmix::rv" ref="f6687c07ff07d47812dd565368ca59eb" args="" -->
90<a class="el" href="classRV.html">RV</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classmpdf.html#f6687c07ff07d47812dd565368ca59eb">rv</a></td></tr>
91
92<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">modeled random variable <br></td></tr>
93<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="acb7dda792b3cd5576f39fa3129abbab"></a><!-- doxytag: member="mmix::rvc" ref="acb7dda792b3cd5576f39fa3129abbab" args="" -->
94<a class="el" href="classRV.html">RV</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classmpdf.html#acb7dda792b3cd5576f39fa3129abbab">rvc</a></td></tr>
95
96<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">random variable in condition <br></td></tr>
97<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="7aa894208a32f3487827df6d5054424c"></a><!-- doxytag: member="mmix::ep" ref="7aa894208a32f3487827df6d5054424c" args="" -->
98<a class="el" href="classepdf.html">epdf</a> *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classmpdf.html#7aa894208a32f3487827df6d5054424c">ep</a></td></tr>
99
100<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">pointer to internal <a class="el" href="classepdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a> <br></td></tr>
101</table>
102<hr><a name="_details"></a><h2>Detailed Description</h2>
103Mixture of mpdfs with constant weights.
104<p>
105<hr><h2>Member Function Documentation</h2>
106<a class="anchor" name="b0193a350c97933ddf15b15a130da352"></a><!-- doxytag: member="mmix::samplecond" ref="b0193a350c97933ddf15b15a130da352" args="(vec &amp;cond, double &amp;ll)" -->
107<div class="memitem">
108<div class="memproto">
109      <table class="memname">
110        <tr>
111          <td class="memname">virtual vec mpdf::samplecond           </td>
112          <td>(</td>
113          <td class="paramtype">vec &amp;&nbsp;</td>
114          <td class="paramname"> <em>cond</em>, </td>
115        </tr>
116        <tr>
117          <td class="paramkey"></td>
118          <td></td>
119          <td class="paramtype">double &amp;&nbsp;</td>
120          <td class="paramname"> <em>ll</em></td><td>&nbsp;</td>
121        </tr>
122        <tr>
123          <td></td>
124          <td>)</td>
125          <td></td><td></td><td><code> [inline, virtual, inherited]</code></td>
126        </tr>
127      </table>
128</div>
129<div class="memdoc">
130
131<p>
132Returns the required moment of the <a class="el" href="classepdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a>.
133<p>
134Returns a sample from the density conditioned on <code>cond</code>, <img class="formulaInl" alt="$x \sim epdf(rv|cond)$" src="form_10.png">. <dl compact><dt><b>Parameters:</b></dt><dd>
135  <table border="0" cellspacing="2" cellpadding="0">
136    <tr><td valign="top"></td><td valign="top"><em>cond</em>&nbsp;</td><td>is numeric value of <code>rv</code> </td></tr>
137    <tr><td valign="top"></td><td valign="top"><em>ll</em>&nbsp;</td><td>is a return value of log-likelihood of the sample. </td></tr>
138  </table>
139</dl>
140
141<p>Reimplemented in <a class="el" href="classmlnorm.html#decf3e3b5c8e0812e5b4dbe94fa2ae18">mlnorm&lt; sq_T &gt;</a>, and <a class="el" href="classmgamma.html#9f40dc43885085fad8e3d6652b79e139">mgamma</a>.</p>
142
143<p>References <a class="el" href="libBM_8h-source.html#l00180">mpdf::condition()</a>, <a class="el" href="libBM_8h-source.html#l00163">mpdf::ep</a>, <a class="el" href="classepdf.html#6aef3eca74899692503769c18add1a4c">epdf::evalpdflog()</a>, and <a class="el" href="classepdf.html#8019654e494bf5e458f6fb947e11b262">epdf::sample()</a>.</p>
144
145<p>Referenced by <a class="el" href="libPF_8h-source.html#l00137">MPF&lt; BM_T &gt;::bayes()</a>, and <a class="el" href="libPF_8cpp-source.html#l00007">PF::bayes()</a>.</p>
146
147</div>
148</div><p>
149<a class="anchor" name="6bf806badfdac606c847e458e8fce18c"></a><!-- doxytag: member="mmix::samplecond" ref="6bf806badfdac606c847e458e8fce18c" args="(vec &amp;cond, vec &amp;ll, int N)" -->
150<div class="memitem">
151<div class="memproto">
152      <table class="memname">
153        <tr>
154          <td class="memname">virtual mat mpdf::samplecond           </td>
155          <td>(</td>
156          <td class="paramtype">vec &amp;&nbsp;</td>
157          <td class="paramname"> <em>cond</em>, </td>
158        </tr>
159        <tr>
160          <td class="paramkey"></td>
161          <td></td>
162          <td class="paramtype">vec &amp;&nbsp;</td>
163          <td class="paramname"> <em>ll</em>, </td>
164        </tr>
165        <tr>
166          <td class="paramkey"></td>
167          <td></td>
168          <td class="paramtype">int&nbsp;</td>
169          <td class="paramname"> <em>N</em></td><td>&nbsp;</td>
170        </tr>
171        <tr>
172          <td></td>
173          <td>)</td>
174          <td></td><td></td><td><code> [inline, virtual, inherited]</code></td>
175        </tr>
176      </table>
177</div>
178<div class="memdoc">
179
180<p>
181Returns N samples from the density conditioned on <code>cond</code>, <img class="formulaInl" alt="$x \sim epdf(rv|cond)$" src="form_10.png">.
182<p>
183<dl compact><dt><b>Parameters:</b></dt><dd>
184  <table border="0" cellspacing="2" cellpadding="0">
185    <tr><td valign="top"></td><td valign="top"><em>cond</em>&nbsp;</td><td>is numeric value of <code>rv</code> </td></tr>
186    <tr><td valign="top"></td><td valign="top"><em>ll</em>&nbsp;</td><td>is a return value of log-likelihood of the sample. </td></tr>
187  </table>
188</dl>
189
190<p>Reimplemented in <a class="el" href="classmlnorm.html#215fb88cc8b95d64cdefd6849abdd1e8">mlnorm&lt; sq_T &gt;</a>, and <a class="el" href="classmgamma.html#e9d52749793f40aad85b70c6db4435ae">mgamma</a>.</p>
191
192<p>References <a class="el" href="libBM_8h-source.html#l00180">mpdf::condition()</a>, <a class="el" href="libBM_8h-source.html#l00057">RV::count()</a>, <a class="el" href="libBM_8h-source.html#l00163">mpdf::ep</a>, <a class="el" href="classepdf.html#6aef3eca74899692503769c18add1a4c">epdf::evalpdflog()</a>, <a class="el" href="libBM_8h-source.html#l00159">mpdf::rv</a>, and <a class="el" href="classepdf.html#8019654e494bf5e458f6fb947e11b262">epdf::sample()</a>.</p>
193
194</div>
195</div><p>
196<hr>The documentation for this class was generated from the following file:<ul>
197<li>work/mixpp/bdm/stat/<a class="el" href="emix_8h-source.html">emix.h</a></ul>
198</div>
199<hr size="1"><address style="text-align: right;"><small>Generated on Sat Aug 16 11:58:55 2008 for mixpp by&nbsp;
200<a href="http://www.doxygen.org/index.html">
201<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.6 </small></address>
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