<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<!-- NewPage -->
<html lang="en">
<head>
<!-- Generated by javadoc (version 1.7.0_51) on Wed Sep 16 10:26:31 PDT 2015 -->
<title>EMLDAOptimizer</title>
<meta name="date" content="2015-09-16">
<link rel="stylesheet" type="text/css" href="../../../../../stylesheet.css" title="Style">
</head>
<body>
<script type="text/javascript"><!--
if (location.href.indexOf('is-external=true') == -1) {
parent.document.title="EMLDAOptimizer";
}
//-->
</script>
<noscript>
<div>JavaScript is disabled on your browser.</div>
</noscript>
<!-- ========= START OF TOP NAVBAR ======= -->
<div class="topNav"><a name="navbar_top">
<!-- -->
</a><a href="#skip-navbar_top" title="Skip navigation links"></a><a name="navbar_top_firstrow">
<!-- -->
</a>
<ul class="navList" title="Navigation">
<li><a href="../../../../../overview-summary.html">Overview</a></li>
<li><a href="package-summary.html">Package</a></li>
<li class="navBarCell1Rev">Class</li>
<li><a href="package-tree.html">Tree</a></li>
<li><a href="../../../../../deprecated-list.html">Deprecated</a></li>
<li><a href="../../../../../index-all.html">Index</a></li>
<li><a href="../../../../../help-doc.html">Help</a></li>
</ul>
</div>
<div class="subNav">
<ul class="navList">
<li><a href="../../../../../org/apache/spark/mllib/clustering/DistributedLDAModel.html" title="class in org.apache.spark.mllib.clustering"><span class="strong">Prev Class</span></a></li>
<li><a href="../../../../../org/apache/spark/mllib/clustering/ExpectationSum.html" title="class in org.apache.spark.mllib.clustering"><span class="strong">Next Class</span></a></li>
</ul>
<ul class="navList">
<li><a href="../../../../../index.html?org/apache/spark/mllib/clustering/EMLDAOptimizer.html" target="_top">Frames</a></li>
<li><a href="EMLDAOptimizer.html" target="_top">No Frames</a></li>
</ul>
<ul class="navList" id="allclasses_navbar_top">
<li><a href="../../../../../allclasses-noframe.html">All Classes</a></li>
</ul>
<div>
<script type="text/javascript"><!--
allClassesLink = document.getElementById("allclasses_navbar_top");
if(window==top) {
allClassesLink.style.display = "block";
}
else {
allClassesLink.style.display = "none";
}
//-->
</script>
</div>
<div>
<ul class="subNavList">
<li>Summary: </li>
<li>Nested | </li>
<li>Field | </li>
<li><a href="#constructor_summary">Constr</a> | </li>
<li><a href="#method_summary">Method</a></li>
</ul>
<ul class="subNavList">
<li>Detail: </li>
<li>Field | </li>
<li><a href="#constructor_detail">Constr</a> | </li>
<li><a href="#method_detail">Method</a></li>
</ul>
</div>
<a name="skip-navbar_top">
<!-- -->
</a></div>
<!-- ========= END OF TOP NAVBAR ========= -->
<!-- ======== START OF CLASS DATA ======== -->
<div class="header">
<div class="subTitle">org.apache.spark.mllib.clustering</div>
<h2 title="Class EMLDAOptimizer" class="title">Class EMLDAOptimizer</h2>
</div>
<div class="contentContainer">
<ul class="inheritance">
<li>java.lang.Object</li>
<li>
<ul class="inheritance">
<li>org.apache.spark.mllib.clustering.EMLDAOptimizer</li>
</ul>
</li>
</ul>
<div class="description">
<ul class="blockList">
<li class="blockList">
<dl>
<dt>All Implemented Interfaces:</dt>
<dd><a href="../../../../../org/apache/spark/mllib/clustering/LDAOptimizer.html" title="interface in org.apache.spark.mllib.clustering">LDAOptimizer</a></dd>
</dl>
<hr>
<br>
<pre>public final class <span class="strong">EMLDAOptimizer</span>
extends java.lang.Object
implements <a href="../../../../../org/apache/spark/mllib/clustering/LDAOptimizer.html" title="interface in org.apache.spark.mllib.clustering">LDAOptimizer</a></pre>
<div class="block">:: DeveloperApi ::
<p>
Optimizer for EM algorithm which stores data + parameter graph, plus algorithm parameters.
<p>
Currently, the underlying implementation uses Expectation-Maximization (EM), implemented
according to the Asuncion et al. (2009) paper referenced below.
<p>
References:
- Original LDA paper (journal version):
Blei, Ng, and Jordan. "Latent Dirichlet Allocation." JMLR, 2003.
- This class implements their "smoothed" LDA model.
- Paper which clearly explains several algorithms, including EM:
Asuncion, Welling, Smyth, and Teh.
"On Smoothing and Inference for Topic Models." UAI, 2009.</div>
</li>
</ul>
</div>
<div class="summary">
<ul class="blockList">
<li class="blockList">
<!-- ======== CONSTRUCTOR SUMMARY ======== -->
<ul class="blockList">
<li class="blockList"><a name="constructor_summary">
<!-- -->
</a>
<h3>Constructor Summary</h3>
<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Constructor Summary table, listing constructors, and an explanation">
<caption><span>Constructors</span><span class="tabEnd"> </span></caption>
<tr>
<th class="colOne" scope="col">Constructor and Description</th>
</tr>
<tr class="altColor">
<td class="colOne"><code><strong><a href="../../../../../org/apache/spark/mllib/clustering/EMLDAOptimizer.html#EMLDAOptimizer()">EMLDAOptimizer</a></strong>()</code> </td>
</tr>
</table>
</li>
</ul>
<!-- ========== METHOD SUMMARY =========== -->
<ul class="blockList">
<li class="blockList"><a name="method_summary">
<!-- -->
</a>
<h3>Method Summary</h3>
<table class="overviewSummary" border="0" cellpadding="3" cellspacing="0" summary="Method Summary table, listing methods, and an explanation">
<caption><span>Methods</span><span class="tabEnd"> </span></caption>
<tr>
<th class="colFirst" scope="col">Modifier and Type</th>
<th class="colLast" scope="col">Method and Description</th>
</tr>
<tr class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/spark/mllib/clustering/EMLDAOptimizer.html#checkpointInterval()">checkpointInterval</a></strong>()</code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/spark/mllib/clustering/EMLDAOptimizer.html#docConcentration()">docConcentration</a></strong>()</code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>breeze.linalg.DenseVector<java.lang.Object></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/spark/mllib/clustering/EMLDAOptimizer.html#globalTopicTotals()">globalTopicTotals</a></strong>()</code>
<div class="block">Aggregate distributions over topics from all term vertices.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code><a href="../../../../../org/apache/spark/graphx/Graph.html" title="class in org.apache.spark.graphx">Graph</a><breeze.linalg.DenseVector<java.lang.Object>,java.lang.Object></code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/spark/mllib/clustering/EMLDAOptimizer.html#graph()">graph</a></strong>()</code>
<div class="block">The following fields will only be initialized through the initialize() method</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/spark/mllib/clustering/EMLDAOptimizer.html#k()">k</a></strong>()</code> </td>
</tr>
<tr class="rowColor">
<td class="colFirst"><code>double</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/spark/mllib/clustering/EMLDAOptimizer.html#topicConcentration()">topicConcentration</a></strong>()</code> </td>
</tr>
<tr class="altColor">
<td class="colFirst"><code>int</code></td>
<td class="colLast"><code><strong><a href="../../../../../org/apache/spark/mllib/clustering/EMLDAOptimizer.html#vocabSize()">vocabSize</a></strong>()</code> </td>
</tr>
</table>
<ul class="blockList">
<li class="blockList"><a name="methods_inherited_from_class_java.lang.Object">
<!-- -->
</a>
<h3>Methods inherited from class java.lang.Object</h3>
<code>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</code></li>
</ul>
</li>
</ul>
</li>
</ul>
</div>
<div class="details">
<ul class="blockList">
<li class="blockList">
<!-- ========= CONSTRUCTOR DETAIL ======== -->
<ul class="blockList">
<li class="blockList"><a name="constructor_detail">
<!-- -->
</a>
<h3>Constructor Detail</h3>
<a name="EMLDAOptimizer()">
<!-- -->
</a>
<ul class="blockListLast">
<li class="blockList">
<h4>EMLDAOptimizer</h4>
<pre>public EMLDAOptimizer()</pre>
</li>
</ul>
</li>
</ul>
<!-- ============ METHOD DETAIL ========== -->
<ul class="blockList">
<li class="blockList"><a name="method_detail">
<!-- -->
</a>
<h3>Method Detail</h3>
<a name="graph()">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>graph</h4>
<pre>public <a href="../../../../../org/apache/spark/graphx/Graph.html" title="class in org.apache.spark.graphx">Graph</a><breeze.linalg.DenseVector<java.lang.Object>,java.lang.Object> graph()</pre>
<div class="block">The following fields will only be initialized through the initialize() method</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>(undocumented)</dd></dl>
</li>
</ul>
<a name="k()">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>k</h4>
<pre>public int k()</pre>
</li>
</ul>
<a name="vocabSize()">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>vocabSize</h4>
<pre>public int vocabSize()</pre>
</li>
</ul>
<a name="docConcentration()">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>docConcentration</h4>
<pre>public double docConcentration()</pre>
</li>
</ul>
<a name="topicConcentration()">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>topicConcentration</h4>
<pre>public double topicConcentration()</pre>
</li>
</ul>
<a name="checkpointInterval()">
<!-- -->
</a>
<ul class="blockList">
<li class="blockList">
<h4>checkpointInterval</h4>
<pre>public int checkpointInterval()</pre>
</li>
</ul>
<a name="globalTopicTotals()">
<!-- -->
</a>
<ul class="blockListLast">
<li class="blockList">
<h4>globalTopicTotals</h4>
<pre>public breeze.linalg.DenseVector<java.lang.Object> globalTopicTotals()</pre>
<div class="block">Aggregate distributions over topics from all term vertices.
<p>
Note: This executes an action on the graph RDDs.</div>
<dl><dt><span class="strong">Returns:</span></dt><dd>(undocumented)</dd></dl>
</li>
</ul>
</li>
</ul>
</li>
</ul>
</div>
</div>
<!-- ========= END OF CLASS DATA ========= -->
<!-- ======= START OF BOTTOM NAVBAR ====== -->
<div class="bottomNav"><a name="navbar_bottom">
<!-- -->
</a><a href="#skip-navbar_bottom" title="Skip navigation links"></a><a name="navbar_bottom_firstrow">
<!-- -->
</a>
<ul class="navList" title="Navigation">
<li><a href="../../../../../overview-summary.html">Overview</a></li>
<li><a href="package-summary.html">Package</a></li>
<li class="navBarCell1Rev">Class</li>
<li><a href="package-tree.html">Tree</a></li>
<li><a href="../../../../../deprecated-list.html">Deprecated</a></li>
<li><a href="../../../../../index-all.html">Index</a></li>
<li><a href="../../../../../help-doc.html">Help</a></li>
</ul>
</div>
<div class="subNav">
<ul class="navList">
<li><a href="../../../../../org/apache/spark/mllib/clustering/DistributedLDAModel.html" title="class in org.apache.spark.mllib.clustering"><span class="strong">Prev Class</span></a></li>
<li><a href="../../../../../org/apache/spark/mllib/clustering/ExpectationSum.html" title="class in org.apache.spark.mllib.clustering"><span class="strong">Next Class</span></a></li>
</ul>
<ul class="navList">
<li><a href="../../../../../index.html?org/apache/spark/mllib/clustering/EMLDAOptimizer.html" target="_top">Frames</a></li>
<li><a href="EMLDAOptimizer.html" target="_top">No Frames</a></li>
</ul>
<ul class="navList" id="allclasses_navbar_bottom">
<li><a href="../../../../../allclasses-noframe.html">All Classes</a></li>
</ul>
<div>
<script type="text/javascript"><!--
allClassesLink = document.getElementById("allclasses_navbar_bottom");
if(window==top) {
allClassesLink.style.display = "block";
}
else {
allClassesLink.style.display = "none";
}
//-->
</script>
</div>
<div>
<ul class="subNavList">
<li>Summary: </li>
<li>Nested | </li>
<li>Field | </li>
<li><a href="#constructor_summary">Constr</a> | </li>
<li><a href="#method_summary">Method</a></li>
</ul>
<ul class="subNavList">
<li>Detail: </li>
<li>Field | </li>
<li><a href="#constructor_detail">Constr</a> | </li>
<li><a href="#method_detail">Method</a></li>
</ul>
</div>
<a name="skip-navbar_bottom">
<!-- -->
</a></div>
<!-- ======== END OF BOTTOM NAVBAR ======= -->
<script defer="defer" type="text/javascript" src="../../../../../lib/jquery.js"></script><script defer="defer" type="text/javascript" src="../../../../../lib/api-javadocs.js"></script></body>
</html>
