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66  <div class="navpath"><b>bdm</b>::<a class="el" href="classbdm_1_1eEmp.html">eEmp</a>
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69<div class="contents">
70<h1>bdm::eEmp Class Reference</h1><!-- doxytag: class="bdm::eEmp" --><!-- doxytag: inherits="bdm::epdf" -->Weighted empirical density. 
71<a href="#_details">More...</a>
72<p>
73<code>#include &lt;<a class="el" href="exp__family_8h_source.html">exp_family.h</a>&gt;</code>
74<p>
75
76<p>
77<a href="classbdm_1_1eEmp-members.html">List of all members.</a><table border="0" cellpadding="0" cellspacing="0">
78<tr><td></td></tr>
79<tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr>
80<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="e7f8f98310c1de51bd5c8a1c87528f72"></a><!-- doxytag: member="bdm::eEmp::set_statistics" ref="e7f8f98310c1de51bd5c8a1c87528f72" args="(const vec &amp;w0, const epdf &amp;pdf0)" -->
81void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1eEmp.html#e7f8f98310c1de51bd5c8a1c87528f72">set_statistics</a> (const vec &amp;w0, const <a class="el" href="classbdm_1_1epdf.html">epdf</a> &amp;pdf0)</td></tr>
82
83<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Set samples and weights. <br></td></tr>
84<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="4f7e6ba7183972e3c7ae399613861b95"></a><!-- doxytag: member="bdm::eEmp::set_statistics" ref="4f7e6ba7183972e3c7ae399613861b95" args="(const epdf &amp;pdf0, int n)" -->
85void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1eEmp.html#4f7e6ba7183972e3c7ae399613861b95">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#9798006271ca77629855113f1283a031">n</a>)</td></tr>
86
87<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Set samples and weights. <br></td></tr>
88<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="b62d802b8ef39f7c4dcbeb366c90951a"></a><!-- doxytag: member="bdm::eEmp::set_samples" ref="b62d802b8ef39f7c4dcbeb366c90951a" args="(const epdf *pdf0)" -->
89void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1eEmp.html#b62d802b8ef39f7c4dcbeb366c90951a">set_samples</a> (const <a class="el" href="classbdm_1_1epdf.html">epdf</a> *pdf0)</td></tr>
90
91<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Set sample. <br></td></tr>
92<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="c74c281d652356c19b6b079e42ca7ef1"></a><!-- doxytag: member="bdm::eEmp::set_parameters" ref="c74c281d652356c19b6b079e42ca7ef1" args="(int n0, bool copy=true)" -->
93void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1eEmp.html#c74c281d652356c19b6b079e42ca7ef1">set_parameters</a> (int n0, bool copy=true)</td></tr>
94
95<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Set sample. <br></td></tr>
96<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="37937007a3a676cf653a7de412674481"></a><!-- doxytag: member="bdm::eEmp::set_parameters" ref="37937007a3a676cf653a7de412674481" args="(const Array&lt; vec &gt; &amp;Av)" -->
97void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1eEmp.html#37937007a3a676cf653a7de412674481">set_parameters</a> (const Array&lt; vec &gt; &amp;Av)</td></tr>
98
99<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Set samples. <br></td></tr>
100<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="d7f83cc0415cd44ae7cc8b4bdad93aef"></a><!-- doxytag: member="bdm::eEmp::_w" ref="d7f83cc0415cd44ae7cc8b4bdad93aef" args="()" -->
101vec &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1eEmp.html#d7f83cc0415cd44ae7cc8b4bdad93aef">_w</a> ()</td></tr>
102
103<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Potentially dangerous, use with care. <br></td></tr>
104<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="b7d7106f486e3fad38590914a693d714"></a><!-- doxytag: member="bdm::eEmp::_w" ref="b7d7106f486e3fad38590914a693d714" args="() const " -->
105const vec &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1eEmp.html#b7d7106f486e3fad38590914a693d714">_w</a> () const </td></tr>
106
107<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Potentially dangerous, use with care. <br></td></tr>
108<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="c24966b0aaeb767bc8a6b4fd60931be2"></a><!-- doxytag: member="bdm::eEmp::_samples" ref="c24966b0aaeb767bc8a6b4fd60931be2" args="()" -->
109Array&lt; vec &gt; &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1eEmp.html#c24966b0aaeb767bc8a6b4fd60931be2">_samples</a> ()</td></tr>
110
111<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">access function <br></td></tr>
112<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="ce568a16cdb4e4cb871ef62d7145f1a5"></a><!-- doxytag: member="bdm::eEmp::_sample" ref="ce568a16cdb4e4cb871ef62d7145f1a5" args="(int i) const " -->
113const vec &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1eEmp.html#ce568a16cdb4e4cb871ef62d7145f1a5">_sample</a> (int i) const </td></tr>
114
115<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">access function <br></td></tr>
116<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="b59af0efdb009d98ea8ebfa965e74ae2"></a><!-- doxytag: member="bdm::eEmp::_samples" ref="b59af0efdb009d98ea8ebfa965e74ae2" args="() const " -->
117const Array&lt; vec &gt; &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1eEmp.html#b59af0efdb009d98ea8ebfa965e74ae2">_samples</a> () const </td></tr>
118
119<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">access function <br></td></tr>
120<tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1eEmp.html#f59ed50888a31057ac2038d80f607d3d">resample</a> (ivec &amp;index, RESAMPLING_METHOD method=SYSTEMATIC)</td></tr>
121
122<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="b4a150d0a62c08db76d1bc5256909f93"></a><!-- doxytag: member="bdm::eEmp::resample" ref="b4a150d0a62c08db76d1bc5256909f93" args="(RESAMPLING_METHOD method=SYSTEMATIC)" -->
123void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1eEmp.html#b4a150d0a62c08db76d1bc5256909f93">resample</a> (RESAMPLING_METHOD method=SYSTEMATIC)</td></tr>
124
125<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Resampling without returning index of new particles. <br></td></tr>
126<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="97f1e07b5ae6eebc91c7365f0f88d270"></a><!-- doxytag: member="bdm::eEmp::sample" ref="97f1e07b5ae6eebc91c7365f0f88d270" args="() const " -->
127vec&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1eEmp.html#97f1e07b5ae6eebc91c7365f0f88d270">sample</a> () const </td></tr>
128
129<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">inherited operation : NOT implemented <br></td></tr>
130<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="01654c014d3aa068f8d4ecba4be86d09"></a><!-- doxytag: member="bdm::eEmp::evallog" ref="01654c014d3aa068f8d4ecba4be86d09" args="(const vec &amp;val) const " -->
131double&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1eEmp.html#01654c014d3aa068f8d4ecba4be86d09">evallog</a> (const vec &amp;val) const </td></tr>
132
133<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">inherited operation : NOT implemented <br></td></tr>
134<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="bbfcb4f868c7381298c281a256d8c4b9"></a><!-- doxytag: member="bdm::eEmp::mean" ref="bbfcb4f868c7381298c281a256d8c4b9" args="() const " -->
135vec&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1eEmp.html#bbfcb4f868c7381298c281a256d8c4b9">mean</a> () const </td></tr>
136
137<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">return expected value <br></td></tr>
138<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="05e9ebf467ede737cb6a3621d7fd3c87"></a><!-- doxytag: member="bdm::eEmp::variance" ref="05e9ebf467ede737cb6a3621d7fd3c87" args="() const " -->
139vec&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1eEmp.html#05e9ebf467ede737cb6a3621d7fd3c87">variance</a> () const </td></tr>
140
141<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">return expected variance (not covariance!) <br></td></tr>
142<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="b1c9df656144edf79ba2d885613f661f"></a><!-- doxytag: member="bdm::eEmp::qbounds" ref="b1c9df656144edf79ba2d885613f661f" args="(vec &amp;lb, vec &amp;ub, double perc=0.95) const " -->
143void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1eEmp.html#b1c9df656144edf79ba2d885613f661f">qbounds</a> (vec &amp;lb, vec &amp;ub, double perc=0.95) const </td></tr>
144
145<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">For this class, qbounds are minimum and maximum value of the population! <br></td></tr>
146<tr><td class="memItemLeft" nowrap align="right" valign="top">void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1epdf.html#fa9efc98a065b31c630fe18cc418f725">from_setting</a> (const Setting &amp;set)</td></tr>
147
148<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Load from structure with elements:.  <a href="#fa9efc98a065b31c630fe18cc418f725"></a><br></td></tr>
149<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="af0e6941ba5919cae1bc530e2181b109"></a><!-- doxytag: member="bdm::eEmp::to_string" ref="af0e6941ba5919cae1bc530e2181b109" args="()" -->
150virtual string&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1root.html#af0e6941ba5919cae1bc530e2181b109">to_string</a> ()</td></tr>
151
152<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">This method returns a basic info about the current instance. <br></td></tr>
153<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="67d954d255ede776eade7334d4895790"></a><!-- doxytag: member="bdm::eEmp::to_setting" ref="67d954d255ede776eade7334d4895790" args="(Setting &amp;set) const " -->
154virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1root.html#67d954d255ede776eade7334d4895790">to_setting</a> (Setting &amp;set) const </td></tr>
155
156<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">This method save all the instance properties into the Setting structure. <br></td></tr>
157<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="1c314bd6d6dacb8ba78ea5eb88fd9516"></a><!-- doxytag: member="bdm::eEmp::validate" ref="1c314bd6d6dacb8ba78ea5eb88fd9516" args="()" -->
158virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1root.html#1c314bd6d6dacb8ba78ea5eb88fd9516">validate</a> ()</td></tr>
159
160<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">This method TODO. <br></td></tr>
161<tr><td colspan="2"><div class="groupHeader">Constructors</div></td></tr>
162<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="dc232a73b38c9f9688bc4f981eaa0312"></a><!-- doxytag: member="bdm::eEmp::eEmp" ref="dc232a73b38c9f9688bc4f981eaa0312" args="()" -->
163&nbsp;</td><td class="memItemRight" valign="bottom"><b>eEmp</b> ()</td></tr>
164
165<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="a3daf6363455af099921715e1233c076"></a><!-- doxytag: member="bdm::eEmp::eEmp" ref="a3daf6363455af099921715e1233c076" args="(const eEmp &amp;e)" -->
166&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1eEmp.html#a3daf6363455af099921715e1233c076">eEmp</a> (const <a class="el" href="classbdm_1_1eEmp.html">eEmp</a> &amp;e)</td></tr>
167
168<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">copy constructor <br></td></tr>
169<tr><td colspan="2"><div class="groupHeader">Constructors</div></td></tr>
170<tr><td colspan="2"><div class="groupText">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: <ul>
171<li>empty constructor, </li>
172<li>copy constructor,</li>
173</ul>
174The following constructors should be supported for convenience: <ul>
175<li>constructor followed by calling <code><a class="el" href="classbdm_1_1eEmp.html#c74c281d652356c19b6b079e42ca7ef1" title="Set sample.">set_parameters()</a></code> </li>
176<li>constructor accepting random variables calling <code><a class="el" href="classbdm_1_1epdf.html#f423e28448dbb69ef4905295ec8de8ff" title="Name its rv.">set_rv()</a></code> </li>
177</ul>
178All 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#c74c281d652356c19b6b079e42ca7ef1" title="Set sample.">set_parameters()</a></code>. This way references can be initialized in constructors. <br><br></div></td></tr>
179<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="840de94aa33cf4f2ebd2427f45a165d8"></a><!-- doxytag: member="bdm::eEmp::set_parameters" ref="840de94aa33cf4f2ebd2427f45a165d8" args="(int dim0)" -->
180void&nbsp;</td><td class="memItemRight" valign="bottom"><b>set_parameters</b> (int dim0)</td></tr>
181
182<tr><td colspan="2"><div class="groupHeader">Matematical Operations</div></td></tr>
183<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="b4cf45fd83cc7573ede9fe1215256058"></a><!-- doxytag: member="bdm::eEmp::sample_m" ref="b4cf45fd83cc7573ede9fe1215256058" args="(int N) const " -->
184virtual mat&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1epdf.html#b4cf45fd83cc7573ede9fe1215256058">sample_m</a> (int N) const </td></tr>
185
186<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>
187<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="d08b68a5abd461f1b6519597e344caf8"></a><!-- doxytag: member="bdm::eEmp::evallog_m" ref="d08b68a5abd461f1b6519597e344caf8" args="(const mat &amp;Val) const " -->
188virtual vec&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1epdf.html#d08b68a5abd461f1b6519597e344caf8">evallog_m</a> (const mat &amp;Val) const </td></tr>
189
190<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Compute log-probability of multiple values argument <code>val</code>. <br></td></tr>
191<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="9bc02dae61584138443baf6b1cbc1ac9"></a><!-- doxytag: member="bdm::eEmp::evallog_m" ref="9bc02dae61584138443baf6b1cbc1ac9" args="(const Array&lt; vec &gt; &amp;Avec) const " -->
192virtual vec&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1epdf.html#9bc02dae61584138443baf6b1cbc1ac9">evallog_m</a> (const Array&lt; vec &gt; &amp;Avec) const </td></tr>
193
194<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Compute log-probability of multiple values argument <code>val</code>. <br></td></tr>
195<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="1499d35b79bce0cfa64fc5cafb9c03b2"></a><!-- doxytag: member="bdm::eEmp::condition" ref="1499d35b79bce0cfa64fc5cafb9c03b2" args="(const RV &amp;rv) const " -->
196virtual <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#1499d35b79bce0cfa64fc5cafb9c03b2">condition</a> (const <a class="el" href="classbdm_1_1RV.html">RV</a> &amp;<a class="el" href="classbdm_1_1epdf.html#62c5b8ff71d9ebe6cd58d3c342eb1dc8">rv</a>) const </td></tr>
197
198<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>
199<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="a84b05f5293cab2aeb4e07faffa60906"></a><!-- doxytag: member="bdm::eEmp::marginal" ref="a84b05f5293cab2aeb4e07faffa60906" args="(const RV &amp;rv) const " -->
200virtual <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#a84b05f5293cab2aeb4e07faffa60906">marginal</a> (const <a class="el" href="classbdm_1_1RV.html">RV</a> &amp;<a class="el" href="classbdm_1_1epdf.html#62c5b8ff71d9ebe6cd58d3c342eb1dc8">rv</a>) const </td></tr>
201
202<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>
203<tr><td colspan="2"><div class="groupHeader">Connection to other classes</div></td></tr>
204<tr><td colspan="2"><div class="groupText">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: <br><br></div></td></tr>
205<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="f423e28448dbb69ef4905295ec8de8ff"></a><!-- doxytag: member="bdm::eEmp::set_rv" ref="f423e28448dbb69ef4905295ec8de8ff" args="(const RV &amp;rv0)" -->
206void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1epdf.html#f423e28448dbb69ef4905295ec8de8ff">set_rv</a> (const <a class="el" href="classbdm_1_1RV.html">RV</a> &amp;rv0)</td></tr>
207
208<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Name its rv. <br></td></tr>
209<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="c4b863ff84c7a4882fb3ad18556027f9"></a><!-- doxytag: member="bdm::eEmp::isnamed" ref="c4b863ff84c7a4882fb3ad18556027f9" args="() const " -->
210bool&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1epdf.html#c4b863ff84c7a4882fb3ad18556027f9">isnamed</a> () const </td></tr>
211
212<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">True if rv is assigned. <br></td></tr>
213<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="a4ab378d5e004c3ff3e2d4e64f7bba21"></a><!-- doxytag: member="bdm::eEmp::_rv" ref="a4ab378d5e004c3ff3e2d4e64f7bba21" args="() const " -->
214const <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#a4ab378d5e004c3ff3e2d4e64f7bba21">_rv</a> () const </td></tr>
215
216<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Return name (fails when isnamed is false). <br></td></tr>
217<tr><td colspan="2"><div class="groupHeader">Access to attributes</div></td></tr>
218<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="7083a65f7b7a0d0d13b2c516bd2ec29c"></a><!-- doxytag: member="bdm::eEmp::dimension" ref="7083a65f7b7a0d0d13b2c516bd2ec29c" args="() const " -->
219int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1epdf.html#7083a65f7b7a0d0d13b2c516bd2ec29c">dimension</a> () const </td></tr>
220
221<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Size of the random variable. <br></td></tr>
222<tr><td colspan="2"><br><h2>Protected Attributes</h2></td></tr>
223<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="9798006271ca77629855113f1283a031"></a><!-- doxytag: member="bdm::eEmp::n" ref="9798006271ca77629855113f1283a031" args="" -->
224int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1eEmp.html#9798006271ca77629855113f1283a031">n</a></td></tr>
225
226<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Number of particles. <br></td></tr>
227<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="9d39241aab7c4bbeb07c6d516421c67d"></a><!-- doxytag: member="bdm::eEmp::w" ref="9d39241aab7c4bbeb07c6d516421c67d" args="" -->
228vec&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1eEmp.html#9d39241aab7c4bbeb07c6d516421c67d">w</a></td></tr>
229
230<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Sample weights <img class="formulaInl" alt="$w$" src="form_106.png">. <br></td></tr>
231<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="73d819553a0f268b055a087d2d4486f3"></a><!-- doxytag: member="bdm::eEmp::samples" ref="73d819553a0f268b055a087d2d4486f3" args="" -->
232Array&lt; vec &gt;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1eEmp.html#73d819553a0f268b055a087d2d4486f3">samples</a></td></tr>
233
234<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Samples <img class="formulaInl" alt="$x^{(i)}, i=1..n$" src="form_107.png">. <br></td></tr>
235<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="16adac20ec7fe07e1ea0b27d917788ce"></a><!-- doxytag: member="bdm::eEmp::dim" ref="16adac20ec7fe07e1ea0b27d917788ce" args="" -->
236int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1epdf.html#16adac20ec7fe07e1ea0b27d917788ce">dim</a></td></tr>
237
238<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">dimension of the random variable <br></td></tr>
239<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="62c5b8ff71d9ebe6cd58d3c342eb1dc8"></a><!-- doxytag: member="bdm::eEmp::rv" ref="62c5b8ff71d9ebe6cd58d3c342eb1dc8" args="" -->
240<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#62c5b8ff71d9ebe6cd58d3c342eb1dc8">rv</a></td></tr>
241
242<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Description of the random variable. <br></td></tr>
243</table>
244<hr><a name="_details"></a><h2>Detailed Description</h2>
245Weighted empirical density.
246<p>
247Used e.g. in particle filters. <hr><h2>Member Function Documentation</h2>
248<a class="anchor" name="fa9efc98a065b31c630fe18cc418f725"></a><!-- doxytag: member="bdm::eEmp::from_setting" ref="fa9efc98a065b31c630fe18cc418f725" args="(const Setting &amp;set)" -->
249<div class="memitem">
250<div class="memproto">
251      <table class="memname">
252        <tr>
253          <td class="memname">void bdm::epdf::from_setting           </td>
254          <td>(</td>
255          <td class="paramtype">const Setting &amp;&nbsp;</td>
256          <td class="paramname"> <em>set</em>          </td>
257          <td>&nbsp;)&nbsp;</td>
258          <td><code> [inline, virtual, inherited]</code></td>
259        </tr>
260      </table>
261</div>
262<div class="memdoc">
263
264<p>
265Load from structure with elements:.
266<p>
267<div class="fragment"><pre class="fragment">         { rv = {<span class="keyword">class</span>=<span class="stringliteral">"RV"</span>, names=(...),}; <span class="comment">// RV describing meaning of random variable</span>
268           <span class="comment">// elements of offsprings</span>
269         }
270</pre></div> 
271<p>Reimplemented from <a class="el" href="classbdm_1_1root.html#0551e3121091c5199bf4413b50522176">bdm::root</a>.</p>
272
273<p>Reimplemented in <a class="el" href="classbdm_1_1enorm.html#61bd470764020bea6e1ed35000f259e6">bdm::enorm&lt; sq_T &gt;</a>, <a class="el" href="classbdm_1_1egiw.html#55b76ec75bd2df5ef9cab3be20a33bbb">bdm::egiw</a>, <a class="el" href="classbdm_1_1eDirich.html#aef2c328917dd80dce689d3d11d09567">bdm::eDirich</a>, <a class="el" href="classbdm_1_1egamma.html#8a6fd1a1c0190f3e0d95a2a1f99aafc1">bdm::egamma</a>, <a class="el" href="classbdm_1_1euni.html#77f5fef1f006fe056066da23b9e5f042">bdm::euni</a>, <a class="el" href="classbdm_1_1merger__base.html#10dd390fc6f0d1733bb07cb51977160c">bdm::merger_base</a>, <a class="el" href="classbdm_1_1merger__mix.html#9f12b2c66344e25e6b3ef0255d000478">bdm::merger_mix</a>, <a class="el" href="classbdm_1_1enorm.html#61bd470764020bea6e1ed35000f259e6">bdm::enorm&lt; ldmat &gt;</a>, <a class="el" href="classbdm_1_1enorm.html#61bd470764020bea6e1ed35000f259e6">bdm::enorm&lt; chmat &gt;</a>, and <a class="el" href="classbdm_1_1enorm.html#61bd470764020bea6e1ed35000f259e6">bdm::enorm&lt; fsqmat &gt;</a>.</p>
274
275<p>References <a class="el" href="bdmbase_8h_source.html#l00414">bdm::epdf::set_rv()</a>.</p>
276
277</div>
278</div><p>
279<a class="anchor" name="f59ed50888a31057ac2038d80f607d3d"></a><!-- doxytag: member="bdm::eEmp::resample" ref="f59ed50888a31057ac2038d80f607d3d" args="(ivec &amp;index, RESAMPLING_METHOD method=SYSTEMATIC)" -->
280<div class="memitem">
281<div class="memproto">
282      <table class="memname">
283        <tr>
284          <td class="memname">void bdm::eEmp::resample           </td>
285          <td>(</td>
286          <td class="paramtype">ivec &amp;&nbsp;</td>
287          <td class="paramname"> <em>index</em>, </td>
288        </tr>
289        <tr>
290          <td class="paramkey"></td>
291          <td></td>
292          <td class="paramtype">RESAMPLING_METHOD&nbsp;</td>
293          <td class="paramname"> <em>method</em> = <code>SYSTEMATIC</code></td><td>&nbsp;</td>
294        </tr>
295        <tr>
296          <td></td>
297          <td>)</td>
298          <td></td><td></td><td></td>
299        </tr>
300      </table>
301</div>
302<div class="memdoc">
303
304<p>
305Function 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>.
306<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>
307
308<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>
309
310</div>
311</div><p>
312<hr>The documentation for this class was generated from the following files:<ul>
313<li><a class="el" href="exp__family_8h_source.html">exp_family.h</a><li>exp_family.cpp</ul>
314</div>
315<hr size="1"><address style="text-align: right;"><small>Generated on Wed Oct 7 17:34:49 2009 for mixpp by&nbsp;
316<a href="http://www.doxygen.org/index.html">
317<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.9 </small></address>
318</body>
319</html>
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