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66  <div class="navpath"><b>bdm</b>::<a class="el" href="classbdm_1_1merger__base.html">merger_base</a>
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70<h1>bdm::merger_base Class Reference</h1><!-- doxytag: class="bdm::merger_base" --><!-- doxytag: inherits="bdm::epdf" -->Base class for general combination of pdfs on discrete support. 
71<a href="#_details">More...</a>
72<p>
73<code>#include &lt;<a class="el" href="merger_8h-source.html">merger.h</a>&gt;</code>
74<p>
75
76<p>
77<a href="classbdm_1_1merger__base-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="af0e6941ba5919cae1bc530e2181b109"></a><!-- doxytag: member="bdm::merger_base::to_string" ref="af0e6941ba5919cae1bc530e2181b109" args="()" -->
81virtual string&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1root.html#af0e6941ba5919cae1bc530e2181b109">to_string</a> ()</td></tr>
82
83<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">This method returns a basic info about the current instance. <br></td></tr>
84<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="67d954d255ede776eade7334d4895790"></a><!-- doxytag: member="bdm::merger_base::to_setting" ref="67d954d255ede776eade7334d4895790" args="(Setting &amp;set) const " -->
85virtual 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>
86
87<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">This method save all the instance properties into the Setting structure. <br></td></tr>
88<tr><td colspan="2"><div class="groupHeader">Constructors</div></td></tr>
89<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="f9d8c6c26c6520dbb17d4e80f635e7be"></a><!-- doxytag: member="bdm::merger_base::merger_base" ref="f9d8c6c26c6520dbb17d4e80f635e7be" args="()" -->
90&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1merger__base.html#f9d8c6c26c6520dbb17d4e80f635e7be">merger_base</a> ()</td></tr>
91
92<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Default constructor. <br></td></tr>
93<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="fdbaaaa1e7e090774dc49e45d5d80111"></a><!-- doxytag: member="bdm::merger_base::merger_base" ref="fdbaaaa1e7e090774dc49e45d5d80111" args="(const Array&lt; shared_ptr&lt; mpdf &gt; &gt; &amp;S)" -->
94&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1merger__base.html#fdbaaaa1e7e090774dc49e45d5d80111">merger_base</a> (const Array&lt; <a class="el" href="classbdm_1_1shared__ptr.html">shared_ptr</a>&lt; <a class="el" href="classbdm_1_1mpdf.html">mpdf</a> &gt; &gt; &amp;S)</td></tr>
95
96<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Constructor from sources. <br></td></tr>
97<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="871add803409c5cc3a634b4ff8fa997f"></a><!-- doxytag: member="bdm::merger_base::set_sources" ref="871add803409c5cc3a634b4ff8fa997f" args="(const Array&lt; shared_ptr&lt; mpdf &gt; &gt; &amp;Sources)" -->
98void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1merger__base.html#871add803409c5cc3a634b4ff8fa997f">set_sources</a> (const Array&lt; <a class="el" href="classbdm_1_1shared__ptr.html">shared_ptr</a>&lt; <a class="el" href="classbdm_1_1mpdf.html">mpdf</a> &gt; &gt; &amp;Sources)</td></tr>
99
100<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Function setting the main internal structures. <br></td></tr>
101<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="337e1e56ef95d3d3ee922e8b81be95f8"></a><!-- doxytag: member="bdm::merger_base::set_support" ref="337e1e56ef95d3d3ee922e8b81be95f8" args="(const Array&lt; vec &gt; &amp;XYZ, const int dimsize)" -->
102void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1merger__base.html#337e1e56ef95d3d3ee922e8b81be95f8">set_support</a> (const Array&lt; vec &gt; &amp;XYZ, const int dimsize)</td></tr>
103
104<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Rectangular support each vector of XYZ specifies (begining-end) interval for each dimension. Same number of points, <code>dimsize</code>, in each dimension. <br></td></tr>
105<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="3e2c8028be0ccd10058d030250a91a60"></a><!-- doxytag: member="bdm::merger_base::set_support" ref="3e2c8028be0ccd10058d030250a91a60" args="(const Array&lt; vec &gt; &amp;XYZ, const ivec &amp;gridsize)" -->
106void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1merger__base.html#3e2c8028be0ccd10058d030250a91a60">set_support</a> (const Array&lt; vec &gt; &amp;XYZ, const ivec &amp;gridsize)</td></tr>
107
108<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Rectangular support each vector of XYZ specifies (begining-end) interval for each dimension. <code>gridsize</code> specifies number of points is each dimension. <br></td></tr>
109<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="e4514484bac243585b0a1e44325e8add"></a><!-- doxytag: member="bdm::merger_base::set_debug_file" ref="e4514484bac243585b0a1e44325e8add" args="(const string fname)" -->
110void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1merger__base.html#e4514484bac243585b0a1e44325e8add">set_debug_file</a> (const string fname)</td></tr>
111
112<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">set debug file <br></td></tr>
113<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="86698b7fd1e4320e9830d7dc24ee6c9e"></a><!-- doxytag: member="bdm::merger_base::set_method" ref="86698b7fd1e4320e9830d7dc24ee6c9e" args="(MERGER_METHOD MTH=DFLT_METHOD, double beta0=DFLT_beta)" -->
114void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1merger__base.html#86698b7fd1e4320e9830d7dc24ee6c9e">set_method</a> (MERGER_METHOD MTH=<a class="el" href="classbdm_1_1merger__base.html#7acdf3aeded70475ba8a26450a4e197c">DFLT_METHOD</a>, double beta0=<a class="el" href="classbdm_1_1merger__base.html#dfe17e57529d84e122e61401543e9de6">DFLT_beta</a>)</td></tr>
115
116<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Set internal parameters used in approximation. <br></td></tr>
117<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="28af7b365ecd8c3a15f0e934496871e0"></a><!-- doxytag: member="bdm::merger_base::set_support" ref="28af7b365ecd8c3a15f0e934496871e0" args="(const epdf &amp;overall, int N)" -->
118void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1merger__base.html#28af7b365ecd8c3a15f0e934496871e0">set_support</a> (const <a class="el" href="classbdm_1_1epdf.html">epdf</a> &amp;overall, int N)</td></tr>
119
120<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Set support points from a pdf by drawing N samples. <br></td></tr>
121<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="32d7e1dd6d91f77c81df7e82aac18689"></a><!-- doxytag: member="bdm::merger_base::~merger_base" ref="32d7e1dd6d91f77c81df7e82aac18689" args="()" -->
122virtual&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1merger__base.html#32d7e1dd6d91f77c81df7e82aac18689">~merger_base</a> ()</td></tr>
123
124<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Destructor. <br></td></tr>
125<tr><td colspan="2"><div class="groupHeader">Mathematical operations</div></td></tr>
126<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="df4a0094dcc40b3057675443bccb6511"></a><!-- doxytag: member="bdm::merger_base::merge" ref="df4a0094dcc40b3057675443bccb6511" args="()" -->
127virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1merger__base.html#df4a0094dcc40b3057675443bccb6511">merge</a> ()</td></tr>
128
129<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Merge given sources in given points. <br></td></tr>
130<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="1f52bf47d2cdd23a95b19e3da902e431"></a><!-- doxytag: member="bdm::merger_base::merge_points" ref="1f52bf47d2cdd23a95b19e3da902e431" args="(mat &amp;lW)" -->
131vec&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1merger__base.html#1f52bf47d2cdd23a95b19e3da902e431">merge_points</a> (mat &amp;lW)</td></tr>
132
133<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Merge log-likelihood values in points using method specified by parameter METHOD. <br></td></tr>
134<tr><td class="memItemLeft" nowrap align="right" valign="top">vec&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1merger__base.html#021acbf1a6e3bfde2a1b9c1c73cea6e0">mean</a> () const </td></tr>
135
136<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">weight w is a  <a href="#021acbf1a6e3bfde2a1b9c1c73cea6e0"></a><br></td></tr>
137<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="41919c12fd6a07a8e00775c54ba4758a"></a><!-- doxytag: member="bdm::merger_base::covariance" ref="41919c12fd6a07a8e00775c54ba4758a" args="() const " -->
138mat&nbsp;</td><td class="memItemRight" valign="bottom"><b>covariance</b> () const </td></tr>
139
140<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="76fe431922844d132b4e1ecf70f53c99"></a><!-- doxytag: member="bdm::merger_base::variance" ref="76fe431922844d132b4e1ecf70f53c99" args="() const " -->
141vec&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1merger__base.html#76fe431922844d132b4e1ecf70f53c99">variance</a> () const </td></tr>
142
143<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">return expected variance (not covariance!) <br></td></tr>
144<tr><td colspan="2"><div class="groupHeader">Access to attributes</div></td></tr>
145<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="fb682e470103f4e0b353b7c9200d177f"></a><!-- doxytag: member="bdm::merger_base::_Smp" ref="fb682e470103f4e0b353b7c9200d177f" args="()" -->
146<a class="el" href="classbdm_1_1eEmp.html">eEmp</a> &amp;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1merger__base.html#fb682e470103f4e0b353b7c9200d177f">_Smp</a> ()</td></tr>
147
148<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Access function. <br></td></tr>
149<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="10dd390fc6f0d1733bb07cb51977160c"></a><!-- doxytag: member="bdm::merger_base::from_setting" ref="10dd390fc6f0d1733bb07cb51977160c" args="(const Setting &amp;set)" -->
150void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1merger__base.html#10dd390fc6f0d1733bb07cb51977160c">from_setting</a> (const Setting &amp;set)</td></tr>
151
152<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">load from setting <br></td></tr>
153<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="400e222d4c41dc57ac19e6735429c4cb"></a><!-- doxytag: member="bdm::merger_base::validate" ref="400e222d4c41dc57ac19e6735429c4cb" args="()" -->
154void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1merger__base.html#400e222d4c41dc57ac19e6735429c4cb">validate</a> ()</td></tr>
155
156<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">This method TODO. <br></td></tr>
157<tr><td colspan="2"><div class="groupHeader">Constructors</div></td></tr>
158<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>
159<li>empty constructor, </li>
160<li>copy constructor,</li>
161</ul>
162The following constructors should be supported for convenience: <ul>
163<li>constructor followed by calling <code>set_parameters()</code> </li>
164<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>
165</ul>
166All internal data structures are constructed as empty. Their values (including sizes) will be set by method <code>set_parameters()</code>. This way references can be initialized in constructors. <br><br></div></td></tr>
167<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="840de94aa33cf4f2ebd2427f45a165d8"></a><!-- doxytag: member="bdm::merger_base::set_parameters" ref="840de94aa33cf4f2ebd2427f45a165d8" args="(int dim0)" -->
168void&nbsp;</td><td class="memItemRight" valign="bottom"><b>set_parameters</b> (int dim0)</td></tr>
169
170<tr><td colspan="2"><div class="groupHeader">Matematical Operations</div></td></tr>
171<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="75ba57a89681a8efec488f5796c7cc1b"></a><!-- doxytag: member="bdm::merger_base::sample" ref="75ba57a89681a8efec488f5796c7cc1b" args="() const " -->
172virtual vec&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1epdf.html#75ba57a89681a8efec488f5796c7cc1b">sample</a> () const </td></tr>
173
174<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Returns a sample, <img class="formulaInl" alt="$ x $" src="form_7.png"> from density <img class="formulaInl" alt="$ f_x()$" src="form_8.png">. <br></td></tr>
175<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="b4cf45fd83cc7573ede9fe1215256058"></a><!-- doxytag: member="bdm::merger_base::sample_m" ref="b4cf45fd83cc7573ede9fe1215256058" args="(int N) const " -->
176virtual mat&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1epdf.html#b4cf45fd83cc7573ede9fe1215256058">sample_m</a> (int N) const </td></tr>
177
178<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Returns N samples, <img class="formulaInl" alt="$ [x_1 , x_2 , \ldots \ $" src="form_9.png"> from density <img class="formulaInl" alt="$ f_x(rv)$" src="form_10.png">. <br></td></tr>
179<tr><td class="memItemLeft" nowrap align="right" valign="top">virtual double&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1epdf.html#deab266d63c236c277538867d5c3f249">evallog</a> (const vec &amp;val) const </td></tr>
180
181<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="d08b68a5abd461f1b6519597e344caf8"></a><!-- doxytag: member="bdm::merger_base::evallog_m" ref="d08b68a5abd461f1b6519597e344caf8" args="(const mat &amp;Val) const " -->
182virtual 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>
183
184<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Compute log-probability of multiple values argument <code>val</code>. <br></td></tr>
185<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="9bc02dae61584138443baf6b1cbc1ac9"></a><!-- doxytag: member="bdm::merger_base::evallog_m" ref="9bc02dae61584138443baf6b1cbc1ac9" args="(const Array&lt; vec &gt; &amp;Avec) const " -->
186virtual 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>
187
188<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Compute log-probability of multiple values argument <code>val</code>. <br></td></tr>
189<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="1499d35b79bce0cfa64fc5cafb9c03b2"></a><!-- doxytag: member="bdm::merger_base::condition" ref="1499d35b79bce0cfa64fc5cafb9c03b2" args="(const RV &amp;rv) const " -->
190virtual <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>
191
192<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>
193<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="a84b05f5293cab2aeb4e07faffa60906"></a><!-- doxytag: member="bdm::merger_base::marginal" ref="a84b05f5293cab2aeb4e07faffa60906" args="(const RV &amp;rv) const " -->
194virtual <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>
195
196<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>
197<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="0a7705e80601957f7226d333a0a6d539"></a><!-- doxytag: member="bdm::merger_base::qbounds" ref="0a7705e80601957f7226d333a0a6d539" args="(vec &amp;lb, vec &amp;ub, double percentage=0.95) const " -->
198virtual void&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1epdf.html#0a7705e80601957f7226d333a0a6d539">qbounds</a> (vec &amp;lb, vec &amp;ub, double percentage=0.95) const </td></tr>
199
200<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Lower and upper bounds of <code>percentage</code> % quantile, returns mean-2*sigma as default. <br></td></tr>
201<tr><td colspan="2"><div class="groupHeader">Connection to other classes</div></td></tr>
202<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>
203<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="f423e28448dbb69ef4905295ec8de8ff"></a><!-- doxytag: member="bdm::merger_base::set_rv" ref="f423e28448dbb69ef4905295ec8de8ff" args="(const RV &amp;rv0)" -->
204void&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>
205
206<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Name its rv. <br></td></tr>
207<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="c4b863ff84c7a4882fb3ad18556027f9"></a><!-- doxytag: member="bdm::merger_base::isnamed" ref="c4b863ff84c7a4882fb3ad18556027f9" args="() const " -->
208bool&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1epdf.html#c4b863ff84c7a4882fb3ad18556027f9">isnamed</a> () const </td></tr>
209
210<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">True if rv is assigned. <br></td></tr>
211<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="a4ab378d5e004c3ff3e2d4e64f7bba21"></a><!-- doxytag: member="bdm::merger_base::_rv" ref="a4ab378d5e004c3ff3e2d4e64f7bba21" args="() const " -->
212const <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>
213
214<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Return name (fails when isnamed is false). <br></td></tr>
215<tr><td colspan="2"><div class="groupHeader">Access to attributes</div></td></tr>
216<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="7083a65f7b7a0d0d13b2c516bd2ec29c"></a><!-- doxytag: member="bdm::merger_base::dimension" ref="7083a65f7b7a0d0d13b2c516bd2ec29c" args="() const " -->
217int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1epdf.html#7083a65f7b7a0d0d13b2c516bd2ec29c">dimension</a> () const </td></tr>
218
219<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Size of the random variable. <br></td></tr>
220<tr><td colspan="2"><br><h2>Protected Attributes</h2></td></tr>
221<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="3127be48ba35960b943d31aa8b9abf88"></a><!-- doxytag: member="bdm::merger_base::mpdfs" ref="3127be48ba35960b943d31aa8b9abf88" args="" -->
222Array&lt; <a class="el" href="classbdm_1_1shared__ptr.html">shared_ptr</a>&lt; <a class="el" href="classbdm_1_1mpdf.html">mpdf</a> &gt; &gt;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1merger__base.html#3127be48ba35960b943d31aa8b9abf88">mpdfs</a></td></tr>
223
224<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Elements of composition. <br></td></tr>
225<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="09bc4d43dec350a40d17953b8b59d3b7"></a><!-- doxytag: member="bdm::merger_base::dls" ref="09bc4d43dec350a40d17953b8b59d3b7" args="" -->
226Array&lt; <a class="el" href="classbdm_1_1datalink__m2e.html">datalink_m2e</a> * &gt;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1merger__base.html#09bc4d43dec350a40d17953b8b59d3b7">dls</a></td></tr>
227
228<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Data link for each <a class="el" href="classbdm_1_1mpdf.html" title="Conditional probability density, e.g. modeling , where  is random variable, rv, and...">mpdf</a> in mpdfs. <br></td></tr>
229<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="4e66803b04fc04b21b3716b3a317421f"></a><!-- doxytag: member="bdm::merger_base::rvzs" ref="4e66803b04fc04b21b3716b3a317421f" args="" -->
230Array&lt; <a class="el" href="classbdm_1_1RV.html">RV</a> &gt;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1merger__base.html#4e66803b04fc04b21b3716b3a317421f">rvzs</a></td></tr>
231
232<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Array of rvs that are not modelled by mpdfs at all, <img class="formulaInl" alt="$ z_i $" src="form_100.png">. <br></td></tr>
233<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="8098858f2edb1294122cbe4f05bf8694"></a><!-- doxytag: member="bdm::merger_base::zdls" ref="8098858f2edb1294122cbe4f05bf8694" args="" -->
234Array&lt; <a class="el" href="classbdm_1_1datalink__m2e.html">datalink_m2e</a> * &gt;&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1merger__base.html#8098858f2edb1294122cbe4f05bf8694">zdls</a></td></tr>
235
236<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Data Links for extension <img class="formulaInl" alt="$ f(z_i|x_i,y_i) $" src="form_102.png">. <br></td></tr>
237<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="39d263d92aa85553730c44958a92a541"></a><!-- doxytag: member="bdm::merger_base::Npoints" ref="39d263d92aa85553730c44958a92a541" args="" -->
238int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1merger__base.html#39d263d92aa85553730c44958a92a541">Npoints</a></td></tr>
239
240<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">number of support points <br></td></tr>
241<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="4f6cd7ebe1c3c7556039dbfeb00f71f5"></a><!-- doxytag: member="bdm::merger_base::Nsources" ref="4f6cd7ebe1c3c7556039dbfeb00f71f5" args="" -->
242int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1merger__base.html#4f6cd7ebe1c3c7556039dbfeb00f71f5">Nsources</a></td></tr>
243
244<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">number of sources <br></td></tr>
245<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="ee197330820127f3d12106ddee6b25c7"></a><!-- doxytag: member="bdm::merger_base::METHOD" ref="ee197330820127f3d12106ddee6b25c7" args="" -->
246MERGER_METHOD&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1merger__base.html#ee197330820127f3d12106ddee6b25c7">METHOD</a></td></tr>
247
248<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">switch of the methoh used for merging <br></td></tr>
249<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="972f64f6f388b929cf94d2c478116f14"></a><!-- doxytag: member="bdm::merger_base::beta" ref="972f64f6f388b929cf94d2c478116f14" args="" -->
250double&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1merger__base.html#972f64f6f388b929cf94d2c478116f14">beta</a></td></tr>
251
252<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Prior on the log-normal merging model. <br></td></tr>
253<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="a042ce6ee1fb91048ea89bec9934718e"></a><!-- doxytag: member="bdm::merger_base::eSmp" ref="a042ce6ee1fb91048ea89bec9934718e" args="" -->
254<a class="el" href="classbdm_1_1eEmp.html">eEmp</a>&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1merger__base.html#a042ce6ee1fb91048ea89bec9934718e">eSmp</a></td></tr>
255
256<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Projection to empirical density (could also be piece-wise linear). <br></td></tr>
257<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="dd180c651a75a131d125305f6bb017f7"></a><!-- doxytag: member="bdm::merger_base::DBG" ref="dd180c651a75a131d125305f6bb017f7" args="" -->
258bool&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1merger__base.html#dd180c651a75a131d125305f6bb017f7">DBG</a></td></tr>
259
260<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">debug or not debug <br></td></tr>
261<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="b2c6278b996696cb711cb7be900ccf5b"></a><!-- doxytag: member="bdm::merger_base::dbg_file" ref="b2c6278b996696cb711cb7be900ccf5b" args="" -->
262it_file *&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1merger__base.html#b2c6278b996696cb711cb7be900ccf5b">dbg_file</a></td></tr>
263
264<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">debugging file <br></td></tr>
265<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="16adac20ec7fe07e1ea0b27d917788ce"></a><!-- doxytag: member="bdm::merger_base::dim" ref="16adac20ec7fe07e1ea0b27d917788ce" args="" -->
266int&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1epdf.html#16adac20ec7fe07e1ea0b27d917788ce">dim</a></td></tr>
267
268<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">dimension of the random variable <br></td></tr>
269<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="62c5b8ff71d9ebe6cd58d3c342eb1dc8"></a><!-- doxytag: member="bdm::merger_base::rv" ref="62c5b8ff71d9ebe6cd58d3c342eb1dc8" args="" -->
270<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>
271
272<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Description of the random variable. <br></td></tr>
273<tr><td colspan="2"><br><h2>Static Protected Attributes</h2></td></tr>
274<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="7acdf3aeded70475ba8a26450a4e197c"></a><!-- doxytag: member="bdm::merger_base::DFLT_METHOD" ref="7acdf3aeded70475ba8a26450a4e197c" args="" -->
275static const MERGER_METHOD&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1merger__base.html#7acdf3aeded70475ba8a26450a4e197c">DFLT_METHOD</a> = LOGNORMAL</td></tr>
276
277<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">Default for METHOD. <br></td></tr>
278<tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="dfe17e57529d84e122e61401543e9de6"></a><!-- doxytag: member="bdm::merger_base::DFLT_beta" ref="dfe17e57529d84e122e61401543e9de6" args="" -->
279static const double&nbsp;</td><td class="memItemRight" valign="bottom"><a class="el" href="classbdm_1_1merger__base.html#dfe17e57529d84e122e61401543e9de6">DFLT_beta</a> = 1.2</td></tr>
280
281<tr><td class="mdescLeft">&nbsp;</td><td class="mdescRight">default for beta <br></td></tr>
282</table>
283<hr><a name="_details"></a><h2>Detailed Description</h2>
284Base class for general combination of pdfs on discrete support.
285<p>
286Mixtures of Gaussian densities are used internally. Switching to other densities should be trivial.<p>
287The merged pdfs are expected to be of the form: <p class="formulaDsp">
288<img class="formulaDsp" alt="\[ f(x_i|y_i), i=1..n \]" src="form_97.png">
289<p>
290 where the resulting merger is a density on <img class="formulaInl" alt="$ \cup [x_i,y_i] $" src="form_98.png"> . Note that all variables will be joined.<p>
291As a result of this feature, each source must be extended to common support <p class="formulaDsp">
292<img class="formulaDsp" alt="\[ f(z_i|y_i,x_i) f(x_i|y_i) f(y_i) i=1..n \]" src="form_99.png">
293<p>
294 where <img class="formulaInl" alt="$ z_i $" src="form_100.png"> accumulate variables that were not in the original source. These extensions are calculated on-the-fly.<p>
295However, these operations can not be performed in general. Hence, this class merges only sources on common support, <img class="formulaInl" alt="$ y_i={}, z_i={}, \forall i $" src="form_101.png">. For merging of more general cases, use offsprings <a class="el" href="classbdm_1_1merger__mix.html" title="Merger using importance sampling with mixture proposal density.">merger_mix</a> and merger_grid. <hr><h2>Member Function Documentation</h2>
296<a class="anchor" name="deab266d63c236c277538867d5c3f249"></a><!-- doxytag: member="bdm::merger_base::evallog" ref="deab266d63c236c277538867d5c3f249" args="(const vec &amp;val) const " -->
297<div class="memitem">
298<div class="memproto">
299      <table class="memname">
300        <tr>
301          <td class="memname">virtual double bdm::epdf::evallog           </td>
302          <td>(</td>
303          <td class="paramtype">const vec &amp;&nbsp;</td>
304          <td class="paramname"> <em>val</em>          </td>
305          <td>&nbsp;)&nbsp;</td>
306          <td> const<code> [inline, virtual, inherited]</code></td>
307        </tr>
308      </table>
309</div>
310<div class="memdoc">
311
312<p>
313Compute log-probability of argument <code>val</code> In case the argument is out of suport return -Infinity
314<p>Reimplemented in <a class="el" href="classbdm_1_1emix.html#0f3db99f730bde6b7953931594537e8e">bdm::emix</a>, <a class="el" href="classbdm_1_1eprod.html#a5a91e67d2f74ff2b0b8eecde2fa42e2">bdm::eprod</a>, <a class="el" href="classbdm_1_1eEF.html#a36d06ecdd6f4c79dc122510eaccc692">bdm::eEF</a>, <a class="el" href="classbdm_1_1egamma.html#a8e11e5a580ff42a1b205974c60768c6">bdm::egamma</a>, <a class="el" href="classbdm_1_1euni.html#caa07b8307bd793d5339d6583e0aba81">bdm::euni</a>, <a class="el" href="classbdm_1_1eiWishartCh.html#a6ddbd815b8b666dd542e97f009f89bb">bdm::eiWishartCh</a>, <a class="el" href="classbdm_1_1eEmp.html#01654c014d3aa068f8d4ecba4be86d09">bdm::eEmp</a>, and <a class="el" href="classbdm_1_1merger__mix.html#9737ad6d1ecf4e0cdd6cea6a40875a34">bdm::merger_mix</a>.</p>
315
316<p>Referenced by <a class="el" href="bdmbase_8cpp-source.html#l00152">bdm::epdf::evallog_m()</a>, and <a class="el" href="emix_8h-source.html#l00076">bdm::mratio::evallogcond()</a>.</p>
317
318</div>
319</div><p>
320<a class="anchor" name="021acbf1a6e3bfde2a1b9c1c73cea6e0"></a><!-- doxytag: member="bdm::merger_base::mean" ref="021acbf1a6e3bfde2a1b9c1c73cea6e0" args="() const " -->
321<div class="memitem">
322<div class="memproto">
323      <table class="memname">
324        <tr>
325          <td class="memname">vec bdm::merger_base::mean           </td>
326          <td>(</td>
327          <td class="paramname">          </td>
328          <td>&nbsp;)&nbsp;</td>
329          <td> const<code> [inline, virtual]</code></td>
330        </tr>
331      </table>
332</div>
333<div class="memdoc">
334
335<p>
336weight w is a
337<p>
338sample from merged density
339<p>Reimplemented from <a class="el" href="classbdm_1_1epdf.html#0c8d13d788094605b3cdab20a6e22b75">bdm::epdf</a>.</p>
340
341<p>References <a class="el" href="exp__family_8h-source.html#l01135">bdm::eEmp::_samples()</a>, <a class="el" href="exp__family_8h-source.html#l01131">bdm::eEmp::_w()</a>, <a class="el" href="bdmbase_8h-source.html#l00269">bdm::epdf::dim</a>, <a class="el" href="merger_8h-source.html#l00075">eSmp</a>, and <a class="el" href="merger_8h-source.html#l00059">Npoints</a>.</p>
342
343<p>Referenced by <a class="el" href="merger_8h-source.html#l00268">variance()</a>.</p>
344
345</div>
346</div><p>
347<hr>The documentation for this class was generated from the following files:<ul>
348<li><a class="el" href="merger_8h-source.html">merger.h</a><li>merger.cpp</ul>
349</div>
350<hr size="1"><address style="text-align: right;"><small>Generated on Sun Aug 16 17:58:19 2009 for mixpp by&nbsp;
351<a href="http://www.doxygen.org/index.html">
352<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.8 </small></address>
353</body>
354</html>
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