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3<title>mixpp: epdf Class Reference</title>
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26<h1>epdf Class Reference</h1><!-- doxytag: class="epdf" -->Probability density function with numerical statistics, e.g. posterior density. 
27<a href="#_details">More...</a>
28<p>
29<code>#include &lt;<a class="el" href="libBM_8h-source.html">libBM.h</a>&gt;</code>
30<p>
31<div class="dynheader">
32Inheritance diagram for epdf:</div>
33<div class="dynsection">
34<p><center><img src="classepdf__inherit__graph.png" border="0" usemap="#epdf__inherit__map" alt="Inheritance graph"></center>
35<map name="epdf__inherit__map">
36<area shape="rect" href="classeEF.html" title="General conjugate exponential family posterior density." alt="" coords="199,87,241,113"><area shape="rect" href="classeEmp.html" title="Weighted empirical density." alt="" coords="265,87,324,113"><area shape="rect" href="classemix.html" title="Mixture of epdfs." alt="" coords="348,87,399,113"><area shape="rect" href="classeuni.html" title="Uniform distributed density on a rectangular support." alt="" coords="423,87,471,113"><area shape="rect" title="internal class for MPDF providing composition of eEmp with external components" alt="" coords="495,87,665,113"><area shape="rect" href="classegamma.html" title="Gamma posterior density." alt="" coords="5,167,85,193"><area shape="rect" href="classegiw.html" title="Gauss&#45;inverse&#45;Wishart density stored in LD form." alt="" coords="109,167,157,193"><area shape="rect" href="classenorm.html" title="Gaussian density with positive definite (decomposed) covariance matrix." alt="" coords="304,167,427,193"><area shape="rect" href="classenorm.html" title="enorm\&lt; ldmat \&gt;" alt="" coords="145,263,276,289"><area shape="rect" href="classenorm.html" title="enorm\&lt; chmat \&gt;" alt="" coords="493,263,627,289"><area shape="rect" href="classenorm.html" title="enorm\&lt; fsqmat \&gt;" alt="" coords="308,263,447,289"></map>
37<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center></div>
38<div class="dynheader">
39Collaboration diagram for epdf:</div>
40<div class="dynsection">
41<p><center><img src="classepdf__coll__graph.png" border="0" usemap="#epdf__coll__map" alt="Collaboration graph"></center>
42<map name="epdf__coll__map">
43<area shape="rect" href="classRV.html" title="Class representing variables, most often random variables." alt="" coords="9,6,47,30"></map>
44<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center></div>
45
46<p>
47<a href="classepdf-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="d8eb760037b3bad5a0d64081606697cd"></a><!-- doxytag: member="epdf::epdf" ref="d8eb760037b3bad5a0d64081606697cd" args="()" -->
51&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classepdf.html#d8eb760037b3bad5a0d64081606697cd">epdf</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="c95b1a27a8dd9507bb9a5a3cb2809c7a"></a><!-- doxytag: member="epdf::epdf" ref="c95b1a27a8dd9507bb9a5a3cb2809c7a" args="(const RV &amp;rv0)" -->
55&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classepdf.html#c95b1a27a8dd9507bb9a5a3cb2809c7a">epdf</a> (const <a class="el" href="classRV.html">RV</a> &amp;rv0)</td></tr>
56
57<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">default constructor <br></td></tr>
58<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual vec&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classepdf.html#8019654e494bf5e458f6fb947e11b262">sample</a> () const =0</td></tr>
59
60<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="#8019654e494bf5e458f6fb947e11b262"></a><br></td></tr>
61<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="54d7dd53a641b618771cd9bee135181f"></a><!-- doxytag: member="epdf::sampleN" ref="54d7dd53a641b618771cd9bee135181f" args="(int N) const " -->
62virtual mat&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classepdf.html#54d7dd53a641b618771cd9bee135181f">sampleN</a> (int N) const </td></tr>
63
64<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Returns N samples from density <img class="formulaInl" alt="$epdf(rv)$" src="form_59.png">. <br></td></tr>
65<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="3ea597362e11a0040fe7c990269d072c"></a><!-- doxytag: member="epdf::eval" ref="3ea597362e11a0040fe7c990269d072c" args="(const vec &amp;val) const " -->
66virtual double&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classepdf.html#3ea597362e11a0040fe7c990269d072c">eval</a> (const vec &amp;val) const </td></tr>
67
68<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Compute probability of argument <code>val</code>. <br></td></tr>
69<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="6aef3eca74899692503769c18add1a4c"></a><!-- doxytag: member="epdf::evalpdflog" ref="6aef3eca74899692503769c18add1a4c" args="(const vec &amp;val) const =0" -->
70virtual double&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classepdf.html#6aef3eca74899692503769c18add1a4c">evalpdflog</a> (const vec &amp;val) const =0</td></tr>
71
72<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Compute log-probability of argument <code>val</code>. <br></td></tr>
73<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="bf0a070a8f3e67a93604ca724638b870"></a><!-- doxytag: member="epdf::mean" ref="bf0a070a8f3e67a93604ca724638b870" args="() const =0" -->
74virtual vec&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classepdf.html#bf0a070a8f3e67a93604ca724638b870">mean</a> () const =0</td></tr>
75
76<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">return expected value <br></td></tr>
77<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="0a322dd106f04c0a2915e3d4f4227396"></a><!-- doxytag: member="epdf::~epdf" ref="0a322dd106f04c0a2915e3d4f4227396" args="()" -->
78virtual&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classepdf.html#0a322dd106f04c0a2915e3d4f4227396">~epdf</a> ()</td></tr>
79
80<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Destructor for future use;. <br></td></tr>
81<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="4778ea61ef400813e47750e024e9fc2f"></a><!-- doxytag: member="epdf::_rv" ref="4778ea61ef400813e47750e024e9fc2f" args="()" -->
82<a class="el" href="classRV.html">RV</a> &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classepdf.html#4778ea61ef400813e47750e024e9fc2f">_rv</a> ()</td></tr>
83
84<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">access function, possibly dangerous! <br></td></tr>
85<tr><td colspan="2"><br><h2>Protected Attributes</h2></td></tr>
86<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="74da992e3f5d598da8850b646b79b9d9"></a><!-- doxytag: member="epdf::rv" ref="74da992e3f5d598da8850b646b79b9d9" args="" -->
87<a class="el" href="classRV.html">RV</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classepdf.html#74da992e3f5d598da8850b646b79b9d9">rv</a></td></tr>
88
89<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Identified of the random variable. <br></td></tr>
90</table>
91<hr><a name="_details"></a><h2>Detailed Description</h2>
92Probability density function with numerical statistics, e.g. posterior density. <hr><h2>Member Function Documentation</h2>
93<a class="anchor" name="8019654e494bf5e458f6fb947e11b262"></a><!-- doxytag: member="epdf::sample" ref="8019654e494bf5e458f6fb947e11b262" args="() const =0" -->
94<div class="memitem">
95<div class="memproto">
96      <table class="memname">
97        <tr>
98          <td class="memname">virtual vec epdf::sample           </td>
99          <td>(</td>
100          <td class="paramname">          </td>
101          <td>&nbsp;)&nbsp;</td>
102          <td> const<code> [pure virtual]</code></td>
103        </tr>
104      </table>
105</div>
106<div class="memdoc">
107
108<p>
109Returns the required moment of the <a class="el" href="classepdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a>.
110<p>
111Returns a sample, <img class="formulaInl" alt="$x$" src="form_28.png"> from density <img class="formulaInl" alt="$epdf(rv)$" src="form_59.png"> 
112<p>Implemented in <a class="el" href="classemix.html#0650601f24e633e0ab09aa1e46c14483">emix</a>, <a class="el" href="classenorm.html#60b47544f6181ffd4530d3e415ce12c5">enorm&lt; sq_T &gt;</a>, <a class="el" href="classegiw.html#3d2c1f2ba0f9966781f1e0ae695e8a6f">egiw</a>, <a class="el" href="classegamma.html#8e10c0021b5dfdd9cb62c6959b5ef425">egamma</a>, <a class="el" href="classeuni.html#4a0e09392be17beaee120ba98fc038cd">euni</a>, <a class="el" href="classeEmp.html#83f9283f92b805508d896479dc1ccf12">eEmp</a>, <a class="el" href="classenorm.html#60b47544f6181ffd4530d3e415ce12c5">enorm&lt; ldmat &gt;</a>, <a class="el" href="classenorm.html#60b47544f6181ffd4530d3e415ce12c5">enorm&lt; chmat &gt;</a>, and <a class="el" href="classenorm.html#60b47544f6181ffd4530d3e415ce12c5">enorm&lt; fsqmat &gt;</a>.</p>
113
114<p>Referenced by <a class="el" href="libBM_8h-source.html#l00184">mpdf::samplecond()</a>, <a class="el" href="libPF_8cpp-source.html#l00035">PF::set_est()</a>, and <a class="el" href="libEF_8cpp-source.html#l00199">eEmp::set_parameters()</a>.</p>
115
116</div>
117</div><p>
118<hr>The documentation for this class was generated from the following files:<ul>
119<li>work/git/mixpp/bdm/stat/<a class="el" href="libBM_8h-source.html">libBM.h</a><li>work/git/mixpp/bdm/stat/libBM.cpp</ul>
120</div>
121<hr size="1"><address style="text-align: right;"><small>Generated on Thu Sep 4 19:28:09 2008 for mixpp by&nbsp;
122<a href="http://www.doxygen.org/index.html">
123<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.6 </small></address>
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