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| 21 | <li><a href="hierarchy.html"><span>Class Hierarchy</span></a></li> |
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| 22 | <li><a href="functions.html"><span>Class Members</span></a></li> |
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| 23 | </ul> |
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| 24 | </div> |
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| [32] | 25 | </div> |
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| [106] | 26 | <div class="contents"> |
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| 27 | <h1>emix Class Reference</h1><!-- doxytag: class="emix" --><!-- doxytag: inherits="epdf" -->Mixture of epdfs. |
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| [32] | 28 | <a href="#_details">More...</a> |
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| 29 | <p> |
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| [106] | 30 | <code>#include <<a class="el" href="emix_8h-source.html">emix.h</a>></code> |
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| [32] | 31 | <p> |
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| 32 | <div class="dynheader"> |
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| 33 | Inheritance diagram for emix:</div> |
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| 34 | <div class="dynsection"> |
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| 35 | <p><center><img src="classemix__inherit__graph.png" border="0" usemap="#emix__inherit__map" alt="Inheritance graph"></center> |
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| 36 | <map name="emix__inherit__map"> |
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| [106] | 37 | <area shape="rect" href="classepdf.html" title="Probability density function with numerical statistics, e.g. posterior density." alt="" coords="7,7,52,31"></map> |
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| [32] | 38 | <center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center></div> |
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| 39 | <div class="dynheader"> |
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| 40 | Collaboration diagram for emix:</div> |
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| 41 | <div class="dynsection"> |
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| 42 | <p><center><img src="classemix__coll__graph.png" border="0" usemap="#emix__coll__map" alt="Collaboration graph"></center> |
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| 43 | <map name="emix__coll__map"> |
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| [106] | 44 | <area shape="rect" href="classepdf.html" title="Probability density function with numerical statistics, e.g. posterior density." alt="" coords="7,95,52,119"><area shape="rect" href="classRV.html" title="Class representing variables, most often random variables." alt="" coords="11,7,48,31"></map> |
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| [32] | 45 | <center><font size="2">[<a href="graph_legend.html">legend</a>]</font></center></div> |
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| 46 | |
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| 47 | <p> |
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| 48 | <a href="classemix-members.html">List of all members.</a><table border="0" cellpadding="0" cellspacing="0"> |
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| 49 | <tr><td></td></tr> |
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| 50 | <tr><td colspan="2"><br><h2>Public Member Functions</h2></td></tr> |
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| [181] | 51 | <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="62194619791d5f1da88cad01cfc9339d"></a><!-- doxytag: member="emix::emix" ref="62194619791d5f1da88cad01cfc9339d" args="(const RV &rv)" --> |
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| 52 | </td><td class="memItemRight" valign="bottom"><a class="el" href="classemix.html#62194619791d5f1da88cad01cfc9339d">emix</a> (const <a class="el" href="classRV.html">RV</a> &<a class="el" href="classepdf.html#74da992e3f5d598da8850b646b79b9d9">rv</a>)</td></tr> |
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| [32] | 53 | |
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| 54 | <tr><td class="mdescLeft"> </td><td class="mdescRight">Default constructor. <br></td></tr> |
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| [210] | 55 | <tr><td class="memItemLeft" nowrap align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classemix.html#d3789d50a3327a6de552db077af5e4c5">set_parameters</a> (const vec &<a class="el" href="classemix.html#cdc8f4e2a5e43595ac5450d8a7f9d1ab">w</a>, const Array< <a class="el" href="classepdf.html">epdf</a> * > &<a class="el" href="classemix.html#7155d827417b53fb6aa5cff1459e6eb4">Coms</a>, bool copy=true)</td></tr> |
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| [32] | 56 | |
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| [171] | 57 | <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="0650601f24e633e0ab09aa1e46c14483"></a><!-- doxytag: member="emix::sample" ref="0650601f24e633e0ab09aa1e46c14483" args="() const " --> |
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| 58 | vec </td><td class="memItemRight" valign="bottom"><a class="el" href="classemix.html#0650601f24e633e0ab09aa1e46c14483">sample</a> () const </td></tr> |
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| [32] | 59 | |
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| [171] | 60 | <tr><td class="mdescLeft"> </td><td class="mdescRight">Returns a sample, <img class="formulaInl" alt="$x$" src="form_28.png"> from density <img class="formulaInl" alt="$epdf(rv)$" src="form_59.png">. <br></td></tr> |
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| [106] | 61 | <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="b662a51d042b062020460e64bff4e9e8"></a><!-- doxytag: member="emix::mean" ref="b662a51d042b062020460e64bff4e9e8" args="() const " --> |
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| 62 | vec </td><td class="memItemRight" valign="bottom"><a class="el" href="classemix.html#b662a51d042b062020460e64bff4e9e8">mean</a> () const </td></tr> |
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| [32] | 63 | |
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| [106] | 64 | <tr><td class="mdescLeft"> </td><td class="mdescRight">return expected value <br></td></tr> |
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| [219] | 65 | <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="82691a72b583dab957cbd60d9283e47a"></a><!-- doxytag: member="emix::evallog" ref="82691a72b583dab957cbd60d9283e47a" args="(const vec &val) const " --> |
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| 66 | double </td><td class="memItemRight" valign="bottom"><a class="el" href="classemix.html#82691a72b583dab957cbd60d9283e47a">evallog</a> (const vec &val) const </td></tr> |
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| [32] | 67 | |
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| [106] | 68 | <tr><td class="mdescLeft"> </td><td class="mdescRight">Compute log-probability of argument <code>val</code>. <br></td></tr> |
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| [219] | 69 | <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="b3eb9e153e8bfdb6bb47adecc278cbca"></a><!-- doxytag: member="emix::evallog_m" ref="b3eb9e153e8bfdb6bb47adecc278cbca" args="(const mat &Val) const " --> |
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| 70 | vec </td><td class="memItemRight" valign="bottom"><a class="el" href="classemix.html#b3eb9e153e8bfdb6bb47adecc278cbca">evallog_m</a> (const mat &Val) const </td></tr> |
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| [210] | 71 | |
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| 72 | <tr><td class="mdescLeft"> </td><td class="mdescRight">Compute log-probability of multiple values argument <code>val</code>. <br></td></tr> |
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| [219] | 73 | <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="44ae2b86c650c2ccb967969c1859d268"></a><!-- doxytag: member="emix::evallog_M" ref="44ae2b86c650c2ccb967969c1859d268" args="(const mat &Val) const " --> |
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| 74 | mat </td><td class="memItemRight" valign="bottom"><a class="el" href="classemix.html#44ae2b86c650c2ccb967969c1859d268">evallog_M</a> (const mat &Val) const </td></tr> |
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| [210] | 75 | |
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| [219] | 76 | <tr><td class="mdescLeft"> </td><td class="mdescRight">Auxiliary function that returns pdflog for each component. <br></td></tr> |
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| [210] | 77 | <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="33afde698093d458ce71875f7ee7384a"></a><!-- doxytag: member="emix::marginal" ref="33afde698093d458ce71875f7ee7384a" args="(const RV &rv) const " --> |
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| 78 | <a class="el" href="classemix.html">emix</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classemix.html#33afde698093d458ce71875f7ee7384a">marginal</a> (const <a class="el" href="classRV.html">RV</a> &<a class="el" href="classepdf.html#74da992e3f5d598da8850b646b79b9d9">rv</a>) const </td></tr> |
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| 79 | |
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| 80 | <tr><td class="mdescLeft"> </td><td class="mdescRight">Return marginal density on the given <a class="el" href="classRV.html" title="Class representing variables, most often random variables.">RV</a>, the remainig rvs are intergrated out. <br></td></tr> |
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| 81 | <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="ebf50c387034f72040c83d38738549b3"></a><!-- doxytag: member="emix::condition" ref="ebf50c387034f72040c83d38738549b3" args="(const RV &rv) const " --> |
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| 82 | <a class="el" href="classmratio.html">mratio</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classemix.html#ebf50c387034f72040c83d38738549b3">condition</a> (const <a class="el" href="classRV.html">RV</a> &<a class="el" href="classepdf.html#74da992e3f5d598da8850b646b79b9d9">rv</a>) const </td></tr> |
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| 83 | |
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| 84 | <tr><td class="mdescLeft"> </td><td class="mdescRight">Return conditional density on the given <a class="el" href="classRV.html" title="Class representing variables, most often random variables.">RV</a>, the remaining rvs will be in conditioning. <br></td></tr> |
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| [106] | 85 | <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="35baf0f62307455cebfbf462144b4dd8"></a><!-- doxytag: member="emix::_w" ref="35baf0f62307455cebfbf462144b4dd8" args="()" --> |
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| 86 | vec & </td><td class="memItemRight" valign="bottom"><a class="el" href="classemix.html#35baf0f62307455cebfbf462144b4dd8">_w</a> ()</td></tr> |
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| 87 | |
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| 88 | <tr><td class="mdescLeft"> </td><td class="mdescRight">returns a pointer to the internal mean value. Use with Care! <br></td></tr> |
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| [181] | 89 | <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="4d7baeb2a9e3fca1d8fd32a107df291d"></a><!-- doxytag: member="emix::ownComs" ref="4d7baeb2a9e3fca1d8fd32a107df291d" args="()" --> |
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| 90 | void </td><td class="memItemRight" valign="bottom"><a class="el" href="classemix.html#4d7baeb2a9e3fca1d8fd32a107df291d">ownComs</a> ()</td></tr> |
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| 91 | |
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| 92 | <tr><td class="mdescLeft"> </td><td class="mdescRight">Auxiliary function for taking ownership of the <a class="el" href="classemix.html#7155d827417b53fb6aa5cff1459e6eb4" title="Component (epdfs).">Coms()</a>. <br></td></tr> |
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| [210] | 93 | <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="95d175b2daa1d896ceffd69b70e02efb"></a><!-- doxytag: member="emix::_Coms" ref="95d175b2daa1d896ceffd69b70e02efb" args="(int i)" --> |
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| 94 | <a class="el" href="classepdf.html">epdf</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classemix.html#95d175b2daa1d896ceffd69b70e02efb">_Coms</a> (int i)</td></tr> |
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| [106] | 95 | |
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| [210] | 96 | <tr><td class="mdescLeft"> </td><td class="mdescRight">access function <br></td></tr> |
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| 97 | <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="76608914c3b19e150292d5c56e93e508"></a><!-- doxytag: member="emix::sample_m" ref="76608914c3b19e150292d5c56e93e508" args="(int N) const " --> |
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| 98 | virtual mat </td><td class="memItemRight" valign="bottom"><a class="el" href="classepdf.html#76608914c3b19e150292d5c56e93e508">sample_m</a> (int N) const </td></tr> |
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| 99 | |
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| [106] | 100 | <tr><td class="mdescLeft"> </td><td class="mdescRight">Returns N samples from density <img class="formulaInl" alt="$epdf(rv)$" src="form_59.png">. <br></td></tr> |
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| [171] | 101 | <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="ca0d32aabb4cbba347e0c37fe8607562"></a><!-- doxytag: member="emix::_rv" ref="ca0d32aabb4cbba347e0c37fe8607562" args="() const " --> |
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| 102 | const <a class="el" href="classRV.html">RV</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classepdf.html#ca0d32aabb4cbba347e0c37fe8607562">_rv</a> () const </td></tr> |
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| 103 | |
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| [162] | 104 | <tr><td class="mdescLeft"> </td><td class="mdescRight">access function, possibly dangerous! <br></td></tr> |
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| [171] | 105 | <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="7fb94ce90d1ac7077d29f7d6a6c3e0a5"></a><!-- doxytag: member="emix::_renewrv" ref="7fb94ce90d1ac7077d29f7d6a6c3e0a5" args="(const RV &in_rv)" --> |
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| 106 | void </td><td class="memItemRight" valign="bottom"><a class="el" href="classepdf.html#7fb94ce90d1ac7077d29f7d6a6c3e0a5">_renewrv</a> (const <a class="el" href="classRV.html">RV</a> &in_rv)</td></tr> |
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| 107 | |
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| 108 | <tr><td class="mdescLeft"> </td><td class="mdescRight">modifier function - useful when copying epdfs <br></td></tr> |
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| [32] | 109 | <tr><td colspan="2"><br><h2>Protected Attributes</h2></td></tr> |
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| [106] | 110 | <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="cdc8f4e2a5e43595ac5450d8a7f9d1ab"></a><!-- doxytag: member="emix::w" ref="cdc8f4e2a5e43595ac5450d8a7f9d1ab" args="" --> |
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| 111 | vec </td><td class="memItemRight" valign="bottom"><a class="el" href="classemix.html#cdc8f4e2a5e43595ac5450d8a7f9d1ab">w</a></td></tr> |
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| [32] | 112 | |
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| [106] | 113 | <tr><td class="mdescLeft"> </td><td class="mdescRight">weights of the components <br></td></tr> |
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| [32] | 114 | <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="7155d827417b53fb6aa5cff1459e6eb4"></a><!-- doxytag: member="emix::Coms" ref="7155d827417b53fb6aa5cff1459e6eb4" args="" --> |
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| [106] | 115 | Array< <a class="el" href="classepdf.html">epdf</a> * > </td><td class="memItemRight" valign="bottom"><a class="el" href="classemix.html#7155d827417b53fb6aa5cff1459e6eb4">Coms</a></td></tr> |
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| [32] | 116 | |
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| [106] | 117 | <tr><td class="mdescLeft"> </td><td class="mdescRight">Component (epdfs). <br></td></tr> |
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| [181] | 118 | <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="7d0d863e6066ee02947914ff06ac34e8"></a><!-- doxytag: member="emix::destroyComs" ref="7d0d863e6066ee02947914ff06ac34e8" args="" --> |
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| 119 | bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classemix.html#7d0d863e6066ee02947914ff06ac34e8">destroyComs</a></td></tr> |
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| 120 | |
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| 121 | <tr><td class="mdescLeft"> </td><td class="mdescRight">Flag if owning Coms. <br></td></tr> |
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| [32] | 122 | <tr><td class="memItemLeft" nowrap align="right" valign="top"><a class="anchor" name="74da992e3f5d598da8850b646b79b9d9"></a><!-- doxytag: member="emix::rv" ref="74da992e3f5d598da8850b646b79b9d9" args="" --> |
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| [106] | 123 | <a class="el" href="classRV.html">RV</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="classepdf.html#74da992e3f5d598da8850b646b79b9d9">rv</a></td></tr> |
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| [32] | 124 | |
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| [106] | 125 | <tr><td class="mdescLeft"> </td><td class="mdescRight">Identified of the random variable. <br></td></tr> |
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| [32] | 126 | </table> |
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| 127 | <hr><a name="_details"></a><h2>Detailed Description</h2> |
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| [106] | 128 | Mixture of epdfs. |
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| 129 | <p> |
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| 130 | Density function: <p class="formulaDsp"> |
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| 131 | <img class="formulaDsp" alt="\[ f(x) = \sum_{i=1}^{n} w_{i} f_i(x), \quad \sum_{i=1}^n w_i = 1. \]" src="form_63.png"> |
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| 132 | <p> |
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| [210] | 133 | where <img class="formulaInl" alt="$f_i(x)$" src="form_64.png"> is any density on random variable <img class="formulaInl" alt="$x$" src="form_28.png">, called <em>component</em>, <hr><h2>Member Function Documentation</h2> |
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| 134 | <a class="anchor" name="d3789d50a3327a6de552db077af5e4c5"></a><!-- doxytag: member="emix::set_parameters" ref="d3789d50a3327a6de552db077af5e4c5" args="(const vec &w, const Array< epdf * > &Coms, bool copy=true)" --> |
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| 135 | <div class="memitem"> |
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| 136 | <div class="memproto"> |
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| 137 | <table class="memname"> |
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| 138 | <tr> |
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| 139 | <td class="memname">void emix::set_parameters </td> |
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| 140 | <td>(</td> |
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| 141 | <td class="paramtype">const vec & </td> |
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| 142 | <td class="paramname"> <em>w</em>, </td> |
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| 143 | </tr> |
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| 144 | <tr> |
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| 145 | <td class="paramkey"></td> |
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| 146 | <td></td> |
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| 147 | <td class="paramtype">const Array< <a class="el" href="classepdf.html">epdf</a> * > & </td> |
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| 148 | <td class="paramname"> <em>Coms</em>, </td> |
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| 149 | </tr> |
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| 150 | <tr> |
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| 151 | <td class="paramkey"></td> |
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| 152 | <td></td> |
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| 153 | <td class="paramtype">bool </td> |
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| 154 | <td class="paramname"> <em>copy</em> = <code>true</code></td><td> </td> |
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| 155 | </tr> |
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| 156 | <tr> |
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| 157 | <td></td> |
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| 158 | <td>)</td> |
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| 159 | <td></td><td></td><td></td> |
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| 160 | </tr> |
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| 161 | </table> |
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| 162 | </div> |
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| 163 | <div class="memdoc"> |
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| 164 | |
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| 165 | <p> |
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| [224] | 166 | Set weights <code>w</code> and components <code>Coms</code> By default Coms are copied inside. Parameter <code>copy</code> can be set to false if Coms live externally. Use method <a class="el" href="classemix.html#4d7baeb2a9e3fca1d8fd32a107df291d" title="Auxiliary function for taking ownership of the Coms().">ownComs()</a> if Coms should be destroyed by the destructor. |
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| 167 | <p>References <a class="el" href="libBM_8h-source.html#l00202">epdf::_rv()</a>, <a class="el" href="emix_8h-source.html#l00091">Coms</a>, <a class="el" href="emix_8h-source.html#l00093">destroyComs</a>, <a class="el" href="libBM_8cpp-source.html#l00111">RV::equal()</a>, <a class="el" href="libBM_8h-source.html#l00166">epdf::rv</a>, and <a class="el" href="emix_8h-source.html#l00089">w</a>.</p> |
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| [210] | 168 | |
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| [219] | 169 | <p>Referenced by <a class="el" href="emix_8cpp-source.html#l00034">marginal()</a>, <a class="el" href="mixef_8cpp-source.html#l00134">MixEF::predictor()</a>, and <a class="el" href="emix_8h-source.html#l00282">mmix::set_parameters()</a>.</p> |
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| [210] | 170 | |
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| 171 | </div> |
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| 172 | </div><p> |
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| 173 | <hr>The documentation for this class was generated from the following files:<ul> |
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| [145] | 174 | <li>work/git/mixpp/bdm/stat/<a class="el" href="emix_8h-source.html">emix.h</a><li>work/git/mixpp/bdm/stat/emix.cpp</ul> |
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| [106] | 175 | </div> |
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| [224] | 176 | <hr size="1"><address style="text-align: right;"><small>Generated on Mon Jan 5 19:29:16 2009 for mixpp by |
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| [32] | 177 | <a href="http://www.doxygen.org/index.html"> |
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| [139] | 178 | <img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.6 </small></address> |
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| [32] | 179 | </body> |
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| 180 | </html> |
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