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1<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
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3<title>mixpp: eEmp Class Reference</title>
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9  <ul>
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20    <li><a href="functions.html"><span>Class&nbsp;Members</span></a></li>
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22</div>
23<h1>eEmp Class Reference</h1><!-- doxytag: class="eEmp" --><!-- doxytag: inherits="epdf" -->Weighted empirical density. 
24<a href="#_details">More...</a>
25<p>
26<code>#include &lt;<a class="el" href="libEF_8h-source.html">libEF.h</a>&gt;</code>
27<p>
28<div class="dynheader">
29Inheritance diagram for eEmp:</div>
30<div class="dynsection">
31<p><center><img src="classeEmp__inherit__graph.png" border="0" usemap="#eEmp__inherit__map" alt="Inheritance graph"></center>
32<map name="eEmp__inherit__map">
33<area shape="rect" href="classepdf.html" title="Probability density function with numerical statistics, e.g. posterior density." alt="" coords="9,7,60,33"></map>
34<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center></div>
35<div class="dynheader">
36Collaboration diagram for eEmp:</div>
37<div class="dynsection">
38<p><center><img src="classeEmp__coll__graph.png" border="0" usemap="#eEmp__coll__map" alt="Collaboration graph"></center>
39<map name="eEmp__coll__map">
40<area shape="rect" href="classepdf.html" title="Probability density function with numerical statistics, e.g. posterior density." alt="" coords="9,103,60,129"><area shape="rect" href="classRV.html" title="Class representing variables, most often random variables." alt="" coords="16,7,53,33"><area shape="rect" title="rv" alt="" coords="31,31,39,39"><area shape="rect" title="rv" alt="" coords="31,99,39,107"></map>
41<center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center></div>
42
43<p>
44<a href="classeEmp-members.html">List of all members.</a><table border="0" cellpadding="0" cellspacing="0">
45<tr><td></td></tr>
46<tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr>
47<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="0c04b073ecd0dae3d498e680ae27e9e4"></a><!-- doxytag: member="eEmp::eEmp" ref="0c04b073ecd0dae3d498e680ae27e9e4" args="(const RV &amp;rv0, int n0)" -->
48&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classeEmp.html#0c04b073ecd0dae3d498e680ae27e9e4">eEmp</a> (const <a class="el" href="classRV.html">RV</a> &amp;rv0, int n0)</td></tr>
49
50<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Default constructor. <br></td></tr>
51<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="6606a656c1b28114f7384c25aaf80e8d"></a><!-- doxytag: member="eEmp::set_parameters" ref="6606a656c1b28114f7384c25aaf80e8d" args="(const vec &amp;w0, epdf *pdf0)" -->
52void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classeEmp.html#6606a656c1b28114f7384c25aaf80e8d">set_parameters</a> (const vec &amp;w0, <a class="el" href="classepdf.html">epdf</a> *pdf0)</td></tr>
53
54<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Set sample. <br></td></tr>
55<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="31b2bfb73b72486a5c89f2ab850c7a9b"></a><!-- doxytag: member="eEmp::_w" ref="31b2bfb73b72486a5c89f2ab850c7a9b" args="()" -->
56vec &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classeEmp.html#31b2bfb73b72486a5c89f2ab850c7a9b">_w</a> ()</td></tr>
57
58<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Potentially dangerous, use with care. <br></td></tr>
59<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="31b747eca73b16f30370827ba4cc3575"></a><!-- doxytag: member="eEmp::_samples" ref="31b747eca73b16f30370827ba4cc3575" args="()" -->
60Array&lt; vec &gt; &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classeEmp.html#31b747eca73b16f30370827ba4cc3575">_samples</a> ()</td></tr>
61
62<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">access function <br></td></tr>
63<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="77268292fc4465cb73ddbfb1f2932a59"></a><!-- doxytag: member="eEmp::resample" ref="77268292fc4465cb73ddbfb1f2932a59" args="(RESAMPLING_METHOD method=SYSTEMATIC)" -->
64ivec&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classeEmp.html#77268292fc4465cb73ddbfb1f2932a59">resample</a> (<a class="el" href="libEF_8h.html#99497a3ff630f761cf6bff7babd23212">RESAMPLING_METHOD</a> method=SYSTEMATIC)</td></tr>
65
66<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Function performs resampling, i.e. removal of low-weight samples and duplication of high-weight samples such that the new samples represent the same density. <br></td></tr>
67<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="83f9283f92b805508d896479dc1ccf12"></a><!-- doxytag: member="eEmp::sample" ref="83f9283f92b805508d896479dc1ccf12" args="() const " -->
68vec&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classeEmp.html#83f9283f92b805508d896479dc1ccf12">sample</a> () const </td></tr>
69
70<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">inherited operation : NOT implemneted <br></td></tr>
71<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="23e7358995400865ad2e278945922fb3"></a><!-- doxytag: member="eEmp::evalpdflog" ref="23e7358995400865ad2e278945922fb3" args="(const vec &amp;val) const " -->
72double&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classeEmp.html#23e7358995400865ad2e278945922fb3">evalpdflog</a> (const vec &amp;val) const </td></tr>
73
74<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">inherited operation : NOT implemneted <br></td></tr>
75<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="ba055c19038cc72628d98e25197e982d"></a><!-- doxytag: member="eEmp::mean" ref="ba055c19038cc72628d98e25197e982d" args="() const " -->
76vec&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classeEmp.html#ba055c19038cc72628d98e25197e982d">mean</a> () const </td></tr>
77
78<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">return expected value <br></td></tr>
79<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="3ea597362e11a0040fe7c990269d072c"></a><!-- doxytag: member="eEmp::eval" ref="3ea597362e11a0040fe7c990269d072c" args="(const vec &amp;val) const " -->
80virtual double&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classepdf.html#3ea597362e11a0040fe7c990269d072c">eval</a> (const vec &amp;val) const </td></tr>
81
82<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Compute probability of argument <code>val</code>. <br></td></tr>
83<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="b89143f12c9b49282e30841e4fb5f337"></a><!-- doxytag: member="eEmp::_rv" ref="b89143f12c9b49282e30841e4fb5f337" args="() const " -->
84<a class="el" href="classRV.html">RV</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classepdf.html#b89143f12c9b49282e30841e4fb5f337">_rv</a> () const </td></tr>
85
86<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">access function <br></td></tr>
87<tr><td colspan="2"><br><h2>Protected Attributes</h2></td></tr>
88<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="8c33034de0e35f03f8bb85d3d67438fd"></a><!-- doxytag: member="eEmp::n" ref="8c33034de0e35f03f8bb85d3d67438fd" args="" -->
89int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classeEmp.html#8c33034de0e35f03f8bb85d3d67438fd">n</a></td></tr>
90
91<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Number of particles. <br></td></tr>
92<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="ae78d144404ddba843c93b171b215de8"></a><!-- doxytag: member="eEmp::w" ref="ae78d144404ddba843c93b171b215de8" args="" -->
93vec&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classeEmp.html#ae78d144404ddba843c93b171b215de8">w</a></td></tr>
94
95<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Sample weights $w$. <br></td></tr>
96<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="a4d6f4bbd6a6824fc39f14676701279a"></a><!-- doxytag: member="eEmp::samples" ref="a4d6f4bbd6a6824fc39f14676701279a" args="" -->
97Array&lt; vec &gt;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classeEmp.html#a4d6f4bbd6a6824fc39f14676701279a">samples</a></td></tr>
98
99<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Samples <img class="formulaInl" alt="$x^{(i)}, i=1..n$" src="form_9.png">. <br></td></tr>
100<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="74da992e3f5d598da8850b646b79b9d9"></a><!-- doxytag: member="eEmp::rv" ref="74da992e3f5d598da8850b646b79b9d9" args="" -->
101<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>
102
103<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Identified of the random variable. <br></td></tr>
104</table>
105<hr><a name="_details"></a><h2>Detailed Description</h2>
106Weighted empirical density.
107<p>
108Used e.g. in particle filters. <hr>The documentation for this class was generated from the following files:<ul>
109<li>work/mixpp/bdm/stat/<a class="el" href="libEF_8h-source.html">libEF.h</a><li>work/mixpp/bdm/stat/libEF.cpp</ul>
110<hr size="1"><address style="text-align: right;"><small>Generated on Fri Apr 18 11:15:18 2008 for mixpp by&nbsp;
111<a href="http://www.doxygen.org/index.html">
112<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.3 </small></address>
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