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69  <div class="navpath"><b>bdm</b>::<a class="el" href="classbdm_1_1eEmp.html">eEmp</a>
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72<div class="contents">
73<h1>bdm::eEmp Class Reference</h1><!-- doxytag: class="bdm::eEmp" --><!-- doxytag: inherits="bdm::epdf" -->
74<p>Weighted empirical density. 
75<a href="#_details">More...</a></p>
76<hr/><a name="_details"></a><h2>Detailed Description</h2>
77<p>Weighted empirical density. </p>
78<p>Used e.g. in particle filters. </p>
79
80<p><code>#include &lt;<a class="el" href="exp__family_8h_source.html">exp_family.h</a>&gt;</code></p>
81
82<p><a href="classbdm_1_1eEmp-members.html">List of all members.</a></p>
83<table border="0" cellpadding="0" cellspacing="0">
84<tr><td colspan="2"><h2>Public Member Functions</h2></td></tr>
85<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ae7f8f98310c1de51bd5c8a1c87528f72"></a><!-- doxytag: member="bdm::eEmp::set_statistics" ref="ae7f8f98310c1de51bd5c8a1c87528f72" args="(const vec &amp;w0, const epdf &amp;pdf0)" -->
86void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1eEmp.html#ae7f8f98310c1de51bd5c8a1c87528f72">set_statistics</a> (const vec &amp;w0, const <a class="el" href="classbdm_1_1epdf.html">epdf</a> &amp;pdf0)</td></tr>
87<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Set samples and weights. <br/></td></tr>
88<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a4f7e6ba7183972e3c7ae399613861b95"></a><!-- doxytag: member="bdm::eEmp::set_statistics" ref="a4f7e6ba7183972e3c7ae399613861b95" args="(const epdf &amp;pdf0, int n)" -->
89void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1eEmp.html#a4f7e6ba7183972e3c7ae399613861b95">set_statistics</a> (const <a class="el" href="classbdm_1_1epdf.html">epdf</a> &amp;pdf0, int <a class="el" href="classbdm_1_1eEmp.html#a9798006271ca77629855113f1283a031">n</a>)</td></tr>
90<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Set samples and weights. <br/></td></tr>
91<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ab62d802b8ef39f7c4dcbeb366c90951a"></a><!-- doxytag: member="bdm::eEmp::set_samples" ref="ab62d802b8ef39f7c4dcbeb366c90951a" args="(const epdf *pdf0)" -->
92void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1eEmp.html#ab62d802b8ef39f7c4dcbeb366c90951a">set_samples</a> (const <a class="el" href="classbdm_1_1epdf.html">epdf</a> *pdf0)</td></tr>
93<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Set sample. <br/></td></tr>
94<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ac74c281d652356c19b6b079e42ca7ef1"></a><!-- doxytag: member="bdm::eEmp::set_parameters" ref="ac74c281d652356c19b6b079e42ca7ef1" args="(int n0, bool copy=true)" -->
95void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1eEmp.html#ac74c281d652356c19b6b079e42ca7ef1">set_parameters</a> (int n0, bool copy=true)</td></tr>
96<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Set sample. <br/></td></tr>
97<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a37937007a3a676cf653a7de412674481"></a><!-- doxytag: member="bdm::eEmp::set_parameters" ref="a37937007a3a676cf653a7de412674481" args="(const Array&lt; vec &gt; &amp;Av)" -->
98void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1eEmp.html#a37937007a3a676cf653a7de412674481">set_parameters</a> (const Array&lt; vec &gt; &amp;Av)</td></tr>
99<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Set samples. <br/></td></tr>
100<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ad7f83cc0415cd44ae7cc8b4bdad93aef"></a><!-- doxytag: member="bdm::eEmp::_w" ref="ad7f83cc0415cd44ae7cc8b4bdad93aef" args="()" -->
101vec &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1eEmp.html#ad7f83cc0415cd44ae7cc8b4bdad93aef">_w</a> ()</td></tr>
102<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Potentially dangerous, use with care. <br/></td></tr>
103<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ab7d7106f486e3fad38590914a693d714"></a><!-- doxytag: member="bdm::eEmp::_w" ref="ab7d7106f486e3fad38590914a693d714" args="() const " -->
104const vec &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1eEmp.html#ab7d7106f486e3fad38590914a693d714">_w</a> () const </td></tr>
105<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Potentially dangerous, use with care. <br/></td></tr>
106<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ac24966b0aaeb767bc8a6b4fd60931be2"></a><!-- doxytag: member="bdm::eEmp::_samples" ref="ac24966b0aaeb767bc8a6b4fd60931be2" args="()" -->
107Array&lt; vec &gt; &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1eEmp.html#ac24966b0aaeb767bc8a6b4fd60931be2">_samples</a> ()</td></tr>
108<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">access function <br/></td></tr>
109<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ace568a16cdb4e4cb871ef62d7145f1a5"></a><!-- doxytag: member="bdm::eEmp::_sample" ref="ace568a16cdb4e4cb871ef62d7145f1a5" args="(int i) const " -->
110const vec &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1eEmp.html#ace568a16cdb4e4cb871ef62d7145f1a5">_sample</a> (int i) const </td></tr>
111<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">access function <br/></td></tr>
112<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ab59af0efdb009d98ea8ebfa965e74ae2"></a><!-- doxytag: member="bdm::eEmp::_samples" ref="ab59af0efdb009d98ea8ebfa965e74ae2" args="() const " -->
113const Array&lt; vec &gt; &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1eEmp.html#ab59af0efdb009d98ea8ebfa965e74ae2">_samples</a> () const </td></tr>
114<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">access function <br/></td></tr>
115<tr><td class="memItemLeft" align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1eEmp.html#af59ed50888a31057ac2038d80f607d3d">resample</a> (ivec &amp;index, RESAMPLING_METHOD method=SYSTEMATIC)</td></tr>
116<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ab4a150d0a62c08db76d1bc5256909f93"></a><!-- doxytag: member="bdm::eEmp::resample" ref="ab4a150d0a62c08db76d1bc5256909f93" args="(RESAMPLING_METHOD method=SYSTEMATIC)" -->
117void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1eEmp.html#ab4a150d0a62c08db76d1bc5256909f93">resample</a> (RESAMPLING_METHOD method=SYSTEMATIC)</td></tr>
118<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Resampling without returning index of new particles. <br/></td></tr>
119<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a97f1e07b5ae6eebc91c7365f0f88d270"></a><!-- doxytag: member="bdm::eEmp::sample" ref="a97f1e07b5ae6eebc91c7365f0f88d270" args="() const " -->
120vec&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1eEmp.html#a97f1e07b5ae6eebc91c7365f0f88d270">sample</a> () const </td></tr>
121<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">inherited operation : NOT implemented <br/></td></tr>
122<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a01654c014d3aa068f8d4ecba4be86d09"></a><!-- doxytag: member="bdm::eEmp::evallog" ref="a01654c014d3aa068f8d4ecba4be86d09" args="(const vec &amp;val) const " -->
123double&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1eEmp.html#a01654c014d3aa068f8d4ecba4be86d09">evallog</a> (const vec &amp;val) const </td></tr>
124<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">inherited operation : NOT implemented <br/></td></tr>
125<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="abbfcb4f868c7381298c281a256d8c4b9"></a><!-- doxytag: member="bdm::eEmp::mean" ref="abbfcb4f868c7381298c281a256d8c4b9" args="() const " -->
126vec&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1eEmp.html#abbfcb4f868c7381298c281a256d8c4b9">mean</a> () const </td></tr>
127<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">return expected value <br/></td></tr>
128<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a05e9ebf467ede737cb6a3621d7fd3c87"></a><!-- doxytag: member="bdm::eEmp::variance" ref="a05e9ebf467ede737cb6a3621d7fd3c87" args="() const " -->
129vec&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1eEmp.html#a05e9ebf467ede737cb6a3621d7fd3c87">variance</a> () const </td></tr>
130<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">return expected variance (not covariance!) <br/></td></tr>
131<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ab1c9df656144edf79ba2d885613f661f"></a><!-- doxytag: member="bdm::eEmp::qbounds" ref="ab1c9df656144edf79ba2d885613f661f" args="(vec &amp;lb, vec &amp;ub, double perc=0.95) const " -->
132void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1eEmp.html#ab1c9df656144edf79ba2d885613f661f">qbounds</a> (vec &amp;lb, vec &amp;ub, double perc=0.95) const </td></tr>
133<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">For this class, qbounds are minimum and maximum value of the population! <br/></td></tr>
134<tr><td class="memItemLeft" align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1epdf.html#afa9efc98a065b31c630fe18cc418f725">from_setting</a> (const Setting &amp;set)</td></tr>
135<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Load from structure with elements:.  <a href="#afa9efc98a065b31c630fe18cc418f725"></a><br/></td></tr>
136<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aaf0e6941ba5919cae1bc530e2181b109"></a><!-- doxytag: member="bdm::eEmp::to_string" ref="aaf0e6941ba5919cae1bc530e2181b109" args="()" -->
137virtual string&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1root.html#aaf0e6941ba5919cae1bc530e2181b109">to_string</a> ()</td></tr>
138<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">This method returns a basic info about the current instance. <br/></td></tr>
139<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a67d954d255ede776eade7334d4895790"></a><!-- doxytag: member="bdm::eEmp::to_setting" ref="a67d954d255ede776eade7334d4895790" args="(Setting &amp;set) const " -->
140virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1root.html#a67d954d255ede776eade7334d4895790">to_setting</a> (Setting &amp;set) const </td></tr>
141<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">This method save all the instance properties into the Setting structure. <br/></td></tr>
142<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a1c314bd6d6dacb8ba78ea5eb88fd9516"></a><!-- doxytag: member="bdm::eEmp::validate" ref="a1c314bd6d6dacb8ba78ea5eb88fd9516" args="()" -->
143virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1root.html#a1c314bd6d6dacb8ba78ea5eb88fd9516">validate</a> ()</td></tr>
144<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">This method TODO. <br/></td></tr>
145<tr><td colspan="2"><div class="groupHeader">Constructors</div></td></tr>
146<tr><td colspan="2"><div class="groupText"><p><a class="anchor" id="amgrp559a25fdb98a7d1fd1c3771ac568d5e9"></a> </p>
147<br/><br/></div></td></tr>
148<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="adc232a73b38c9f9688bc4f981eaa0312"></a><!-- doxytag: member="bdm::eEmp::eEmp" ref="adc232a73b38c9f9688bc4f981eaa0312" args="()" -->
149&nbsp;</td><td class="memItemRight" valign="bottom"><b>eEmp</b> ()</td></tr>
150<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aa3daf6363455af099921715e1233c076"></a><!-- doxytag: member="bdm::eEmp::eEmp" ref="aa3daf6363455af099921715e1233c076" args="(const eEmp &amp;e)" -->
151&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1eEmp.html#aa3daf6363455af099921715e1233c076">eEmp</a> (const <a class="el" href="classbdm_1_1eEmp.html">eEmp</a> &amp;e)</td></tr>
152<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">copy constructor <br/></td></tr>
153<tr><td colspan="2"><div class="groupHeader">Constructors</div></td></tr>
154<tr><td colspan="2"><div class="groupText"><p><a class="anchor" id="amgrp559a25fdb98a7d1fd1c3771ac568d5e9"></a> Construction of each <a class="el" href="classbdm_1_1epdf.html" title="Probability density function with numerical statistics, e.g. posterior density.">epdf</a> should support two types of constructors: </p>
155<ul>
156<li>empty constructor, </li>
157<li>copy constructor,</li>
158</ul>
159<p>The following constructors should be supported for convenience: </p>
160<ul>
161<li>constructor followed by calling <code><a class="el" href="classbdm_1_1eEmp.html#ac74c281d652356c19b6b079e42ca7ef1" title="Set sample.">set_parameters()</a></code> </li>
162<li>constructor accepting random variables calling <code><a class="el" href="classbdm_1_1epdf.html#af423e28448dbb69ef4905295ec8de8ff" title="Name its rv.">set_rv()</a></code> </li>
163</ul>
164<p>All internal data structures are constructed as empty. Their values (including sizes) will be set by method <code><a class="el" href="classbdm_1_1eEmp.html#ac74c281d652356c19b6b079e42ca7ef1" title="Set sample.">set_parameters()</a></code>. This way references can be initialized in constructors. </p>
165<br/><br/></div></td></tr>
166<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a840de94aa33cf4f2ebd2427f45a165d8"></a><!-- doxytag: member="bdm::eEmp::set_parameters" ref="a840de94aa33cf4f2ebd2427f45a165d8" args="(int dim0)" -->
167void&nbsp;</td><td class="memItemRight" valign="bottom"><b>set_parameters</b> (int dim0)</td></tr>
168<tr><td colspan="2"><div class="groupHeader">Matematical Operations</div></td></tr>
169<tr><td colspan="2"><div class="groupText"><p><a class="anchor" id="amgrp96552c993870a5dd6bb0ea321f1ceb78"></a> </p>
170<br/><br/></div></td></tr>
171<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ab4cf45fd83cc7573ede9fe1215256058"></a><!-- doxytag: member="bdm::eEmp::sample_m" ref="ab4cf45fd83cc7573ede9fe1215256058" args="(int N) const " -->
172virtual mat&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1epdf.html#ab4cf45fd83cc7573ede9fe1215256058">sample_m</a> (int N) const </td></tr>
173<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Returns N samples, <img class="formulaInl" alt="$ [x_1 , x_2 , \ldots \ $" src="form_14.png"/> from density <img class="formulaInl" alt="$ f_x(rv)$" src="form_15.png"/>. <br/></td></tr>
174<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ad08b68a5abd461f1b6519597e344caf8"></a><!-- doxytag: member="bdm::eEmp::evallog_m" ref="ad08b68a5abd461f1b6519597e344caf8" args="(const mat &amp;Val) const " -->
175virtual vec&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1epdf.html#ad08b68a5abd461f1b6519597e344caf8">evallog_m</a> (const mat &amp;Val) const </td></tr>
176<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Compute log-probability of multiple values argument <code>val</code>. <br/></td></tr>
177<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a9bc02dae61584138443baf6b1cbc1ac9"></a><!-- doxytag: member="bdm::eEmp::evallog_m" ref="a9bc02dae61584138443baf6b1cbc1ac9" args="(const Array&lt; vec &gt; &amp;Avec) const " -->
178virtual vec&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1epdf.html#a9bc02dae61584138443baf6b1cbc1ac9">evallog_m</a> (const Array&lt; vec &gt; &amp;Avec) const </td></tr>
179<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Compute log-probability of multiple values argument <code>val</code>. <br/></td></tr>
180<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a1499d35b79bce0cfa64fc5cafb9c03b2"></a><!-- doxytag: member="bdm::eEmp::condition" ref="a1499d35b79bce0cfa64fc5cafb9c03b2" args="(const RV &amp;rv) const " -->
181virtual <a class="el" href="classbdm_1_1shared__ptr.html">shared_ptr</a>&lt; <a class="el" href="classbdm_1_1mpdf.html">mpdf</a> &gt;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1epdf.html#a1499d35b79bce0cfa64fc5cafb9c03b2">condition</a> (const <a class="el" href="classbdm_1_1RV.html">RV</a> &amp;<a class="el" href="classbdm_1_1epdf.html#a62c5b8ff71d9ebe6cd58d3c342eb1dc8">rv</a>) const </td></tr>
182<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Return conditional density on the given <a class="el" href="classbdm_1_1RV.html" title="Class representing variables, most often random variables.">RV</a>, the remaining rvs will be in conditioning. <br/></td></tr>
183<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aa84b05f5293cab2aeb4e07faffa60906"></a><!-- doxytag: member="bdm::eEmp::marginal" ref="aa84b05f5293cab2aeb4e07faffa60906" args="(const RV &amp;rv) const " -->
184virtual <a class="el" href="classbdm_1_1shared__ptr.html">shared_ptr</a>&lt; <a class="el" href="classbdm_1_1epdf.html">epdf</a> &gt;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1epdf.html#aa84b05f5293cab2aeb4e07faffa60906">marginal</a> (const <a class="el" href="classbdm_1_1RV.html">RV</a> &amp;<a class="el" href="classbdm_1_1epdf.html#a62c5b8ff71d9ebe6cd58d3c342eb1dc8">rv</a>) const </td></tr>
185<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Return marginal density on the given <a class="el" href="classbdm_1_1RV.html" title="Class representing variables, most often random variables.">RV</a>, the remainig rvs are intergrated out. <br/></td></tr>
186<tr><td colspan="2"><div class="groupHeader">Connection to other classes</div></td></tr>
187<tr><td colspan="2"><div class="groupText"><p><a class="anchor" id="amgrp14fc6e1cb822e9dfc5edc16c20fabe11"></a>Description of the random quantity via attribute <code>rv</code> is optional. For operations such as sampling <code>rv</code> does not need to be set. However, for <code>marginalization</code> and <code>conditioning</code> <code>rv</code> has to be set. NB: </p>
188<br/><br/></div></td></tr>
189<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="af423e28448dbb69ef4905295ec8de8ff"></a><!-- doxytag: member="bdm::eEmp::set_rv" ref="af423e28448dbb69ef4905295ec8de8ff" args="(const RV &amp;rv0)" -->
190void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1epdf.html#af423e28448dbb69ef4905295ec8de8ff">set_rv</a> (const <a class="el" href="classbdm_1_1RV.html">RV</a> &amp;rv0)</td></tr>
191<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Name its rv. <br/></td></tr>
192<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="ac4b863ff84c7a4882fb3ad18556027f9"></a><!-- doxytag: member="bdm::eEmp::isnamed" ref="ac4b863ff84c7a4882fb3ad18556027f9" args="() const " -->
193bool&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1epdf.html#ac4b863ff84c7a4882fb3ad18556027f9">isnamed</a> () const </td></tr>
194<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">True if rv is assigned. <br/></td></tr>
195<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="aa4ab378d5e004c3ff3e2d4e64f7bba21"></a><!-- doxytag: member="bdm::eEmp::_rv" ref="aa4ab378d5e004c3ff3e2d4e64f7bba21" args="() const " -->
196const <a class="el" href="classbdm_1_1RV.html">RV</a> &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1epdf.html#aa4ab378d5e004c3ff3e2d4e64f7bba21">_rv</a> () const </td></tr>
197<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Return name (fails when isnamed is false). <br/></td></tr>
198<tr><td colspan="2"><div class="groupHeader">Access to attributes</div></td></tr>
199<tr><td colspan="2"><div class="groupText"><p><a class="anchor" id="amgrpb6eb094f9e6af11f8a7d9efa9d8e3623"></a> </p>
200<br/><br/></div></td></tr>
201<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a7083a65f7b7a0d0d13b2c516bd2ec29c"></a><!-- doxytag: member="bdm::eEmp::dimension" ref="a7083a65f7b7a0d0d13b2c516bd2ec29c" args="() const " -->
202int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1epdf.html#a7083a65f7b7a0d0d13b2c516bd2ec29c">dimension</a> () const </td></tr>
203<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Size of the random variable. <br/></td></tr>
204<tr><td colspan="2"><h2>Protected Attributes</h2></td></tr>
205<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a9798006271ca77629855113f1283a031"></a><!-- doxytag: member="bdm::eEmp::n" ref="a9798006271ca77629855113f1283a031" args="" -->
206int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1eEmp.html#a9798006271ca77629855113f1283a031">n</a></td></tr>
207<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Number of particles. <br/></td></tr>
208<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a9d39241aab7c4bbeb07c6d516421c67d"></a><!-- doxytag: member="bdm::eEmp::w" ref="a9d39241aab7c4bbeb07c6d516421c67d" args="" -->
209vec&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1eEmp.html#a9d39241aab7c4bbeb07c6d516421c67d">w</a></td></tr>
210<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Sample weights <img class="formulaInl" alt="$w$" src="form_119.png"/>. <br/></td></tr>
211<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a73d819553a0f268b055a087d2d4486f3"></a><!-- doxytag: member="bdm::eEmp::samples" ref="a73d819553a0f268b055a087d2d4486f3" args="" -->
212Array&lt; vec &gt;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1eEmp.html#a73d819553a0f268b055a087d2d4486f3">samples</a></td></tr>
213<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Samples <img class="formulaInl" alt="$x^{(i)}, i=1..n$" src="form_120.png"/>. <br/></td></tr>
214<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a16adac20ec7fe07e1ea0b27d917788ce"></a><!-- doxytag: member="bdm::eEmp::dim" ref="a16adac20ec7fe07e1ea0b27d917788ce" args="" -->
215int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1epdf.html#a16adac20ec7fe07e1ea0b27d917788ce">dim</a></td></tr>
216<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">dimension of the random variable <br/></td></tr>
217<tr><td class="memItemLeft" align="right" valign="top"><a class="anchor" id="a62c5b8ff71d9ebe6cd58d3c342eb1dc8"></a><!-- doxytag: member="bdm::eEmp::rv" ref="a62c5b8ff71d9ebe6cd58d3c342eb1dc8" args="" -->
218<a class="el" href="classbdm_1_1RV.html">RV</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1epdf.html#a62c5b8ff71d9ebe6cd58d3c342eb1dc8">rv</a></td></tr>
219<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Description of the random variable. <br/></td></tr>
220</table>
221<hr/><h2>Member Function Documentation</h2>
222<a class="anchor" id="afa9efc98a065b31c630fe18cc418f725"></a><!-- doxytag: member="bdm::eEmp::from_setting" ref="afa9efc98a065b31c630fe18cc418f725" args="(const Setting &amp;set)" -->
223<div class="memitem">
224<div class="memproto">
225      <table class="memname">
226        <tr>
227          <td class="memname">void bdm::epdf::from_setting </td>
228          <td>(</td>
229          <td class="paramtype">const Setting &amp;&nbsp;</td>
230          <td class="paramname"> <em>set</em></td>
231          <td>&nbsp;)&nbsp;</td>
232          <td><code> [inline, virtual, inherited]</code></td>
233        </tr>
234      </table>
235</div>
236<div class="memdoc">
237
238<p>Load from structure with elements:. </p>
239<div class="fragment"><pre class="fragment">         { rv = {<span class="keyword">class</span>=<span class="stringliteral">&quot;RV&quot;</span>, names=(...),}; <span class="comment">// RV describing meaning of random variable</span>
240           <span class="comment">// elements of offsprings</span>
241         }
242</pre></div> 
243<p>Reimplemented from <a class="el" href="classbdm_1_1root.html#a0551e3121091c5199bf4413b50522176">bdm::root</a>.</p>
244
245<p>Reimplemented in <a class="el" href="classbdm_1_1mexEpdf.html#af371482ea8d21c8ac01f011b3d942298">bdm::mexEpdf</a>, <a class="el" href="classbdm_1_1enorm.html#a61bd470764020bea6e1ed35000f259e6">bdm::enorm&lt; sq_T &gt;</a>, <a class="el" href="classbdm_1_1egiw.html#a55b76ec75bd2df5ef9cab3be20a33bbb">bdm::egiw</a>, <a class="el" href="classbdm_1_1eDirich.html#aaef2c328917dd80dce689d3d11d09567">bdm::eDirich</a>, <a class="el" href="classbdm_1_1egamma.html#a8a6fd1a1c0190f3e0d95a2a1f99aafc1">bdm::egamma</a>, <a class="el" href="classbdm_1_1euni.html#a77f5fef1f006fe056066da23b9e5f042">bdm::euni</a>, <a class="el" href="classbdm_1_1merger__base.html#a10dd390fc6f0d1733bb07cb51977160c">bdm::merger_base</a>, <a class="el" href="classbdm_1_1merger__mix.html#a9f12b2c66344e25e6b3ef0255d000478">bdm::merger_mix</a>, <a class="el" href="classbdm_1_1enorm.html#a61bd470764020bea6e1ed35000f259e6">bdm::enorm&lt; ldmat &gt;</a>, <a class="el" href="classbdm_1_1enorm.html#a61bd470764020bea6e1ed35000f259e6">bdm::enorm&lt; chmat &gt;</a>, and <a class="el" href="classbdm_1_1enorm.html#a61bd470764020bea6e1ed35000f259e6">bdm::enorm&lt; fsqmat &gt;</a>.</p>
246
247<p>References <a class="el" href="bdmbase_8h_source.html#l00414">bdm::epdf::set_rv()</a>.</p>
248
249</div>
250</div>
251<a class="anchor" id="af59ed50888a31057ac2038d80f607d3d"></a><!-- doxytag: member="bdm::eEmp::resample" ref="af59ed50888a31057ac2038d80f607d3d" args="(ivec &amp;index, RESAMPLING_METHOD method=SYSTEMATIC)" -->
252<div class="memitem">
253<div class="memproto">
254      <table class="memname">
255        <tr>
256          <td class="memname">void bdm::eEmp::resample </td>
257          <td>(</td>
258          <td class="paramtype">ivec &amp;&nbsp;</td>
259          <td class="paramname"> <em>index</em>, </td>
260        </tr>
261        <tr>
262          <td class="paramkey"></td>
263          <td></td>
264          <td class="paramtype">RESAMPLING_METHOD&nbsp;</td>
265          <td class="paramname"> <em>method</em> = <code>SYSTEMATIC</code></td><td>&nbsp;</td>
266        </tr>
267        <tr>
268          <td></td>
269          <td>)</td>
270          <td></td><td></td><td></td>
271        </tr>
272      </table>
273</div>
274<div class="memdoc">
275<p>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. The vector with indeces of new samples is returned in variable <code>index</code>. </p>
276
277<p>References <a class="el" href="bdmerror_8h_source.html#l00051">bdm_error</a>, <a class="el" href="exp__family_8h_source.html#l01225">n</a>, <a class="el" href="exp__family_8h_source.html#l01229">samples</a>, and <a class="el" href="exp__family_8h_source.html#l01227">w</a>.</p>
278
279<p>Referenced by <a class="el" href="particles_8cpp_source.html#l00037">bdm::PF::bayes()</a>, and <a class="el" href="particles_8h_source.html#l00189">bdm::PF::resample()</a>.</p>
280
281</div>
282</div>
283<hr/>The documentation for this class was generated from the following files:<ul>
284<li><a class="el" href="exp__family_8h_source.html">exp_family.h</a></li>
285<li>exp_family.cpp</li>
286</ul>
287</div>
288<hr size="1"/><address style="text-align: right;"><small>Generated on Mon Oct 12 19:37:22 2009 for mixpp by&nbsp;
289<a href="http://www.doxygen.org/index.html">
290<img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.6.1 </small></address>
291</body>
292</html>
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