blob: a31a53ec19fcd96e691d6a7771634e4ff10d7dea [file] [log] [blame]
<!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 (1.8.0_121) on Fri Apr 14 22:11:37 PDT 2017 -->
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>org.apache.mahout.math.hadoop (Mahout Map-Reduce 0.13.0 API)</title>
<meta name="date" content="2017-04-14">
<link rel="stylesheet" type="text/css" href="../../../../../stylesheet.css" title="Style">
<script type="text/javascript" src="../../../../../script.js"></script>
</head>
<body>
<script type="text/javascript"><!--
try {
if (location.href.indexOf('is-external=true') == -1) {
parent.document.title="org.apache.mahout.math.hadoop (Mahout Map-Reduce 0.13.0 API)";
}
}
catch(err) {
}
//-->
</script>
<noscript>
<div>JavaScript is disabled on your browser.</div>
</noscript>
<!-- ========= START OF TOP NAVBAR ======= -->
<div class="topNav"><a name="navbar.top">
<!-- -->
</a>
<div class="skipNav"><a href="#skip.navbar.top" title="Skip navigation links">Skip navigation links</a></div>
<a name="navbar.top.firstrow">
<!-- -->
</a>
<ul class="navList" title="Navigation">
<li><a href="../../../../../overview-summary.html">Overview</a></li>
<li class="navBarCell1Rev">Package</li>
<li>Class</li>
<li><a href="package-use.html">Use</a></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/mahout/math/package-summary.html">Prev&nbsp;Package</a></li>
<li><a href="../../../../../org/apache/mahout/math/hadoop/decomposer/package-summary.html">Next&nbsp;Package</a></li>
</ul>
<ul class="navList">
<li><a href="../../../../../index.html?org/apache/mahout/math/hadoop/package-summary.html" target="_top">Frames</a></li>
<li><a href="package-summary.html" target="_top">No&nbsp;Frames</a></li>
</ul>
<ul class="navList" id="allclasses_navbar_top">
<li><a href="../../../../../allclasses-noframe.html">All&nbsp;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>
<a name="skip.navbar.top">
<!-- -->
</a></div>
<!-- ========= END OF TOP NAVBAR ========= -->
<div class="header">
<h1 title="Package" class="title">Package&nbsp;org.apache.mahout.math.hadoop</h1>
</div>
<div class="contentContainer">
<ul class="blockList">
<li class="blockList">
<table class="typeSummary" border="0" cellpadding="3" cellspacing="0" summary="Class Summary table, listing classes, and an explanation">
<caption><span>Class Summary</span><span class="tabEnd">&nbsp;</span></caption>
<tr>
<th class="colFirst" scope="col">Class</th>
<th class="colLast" scope="col">Description</th>
</tr>
<tbody>
<tr class="altColor">
<td class="colFirst"><a href="../../../../../org/apache/mahout/math/hadoop/DistributedRowMatrix.html" title="class in org.apache.mahout.math.hadoop">DistributedRowMatrix</a></td>
<td class="colLast">
<div class="block">DistributedRowMatrix is a FileSystem-backed VectorIterable in which the vectors live in a
SequenceFile<WritableComparable,VectorWritable>, and distributed operations are executed as M/R passes on
Hadoop.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="../../../../../org/apache/mahout/math/hadoop/DistributedRowMatrix.MatrixEntryWritable.html" title="class in org.apache.mahout.math.hadoop">DistributedRowMatrix.MatrixEntryWritable</a></td>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="../../../../../org/apache/mahout/math/hadoop/MatrixColumnMeansJob.html" title="class in org.apache.mahout.math.hadoop">MatrixColumnMeansJob</a></td>
<td class="colLast">
<div class="block">MatrixColumnMeansJob is a job for calculating the column-wise mean of a
DistributedRowMatrix.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="../../../../../org/apache/mahout/math/hadoop/MatrixColumnMeansJob.MatrixColumnMeansMapper.html" title="class in org.apache.mahout.math.hadoop">MatrixColumnMeansJob.MatrixColumnMeansMapper</a></td>
<td class="colLast">
<div class="block">Mapper for calculation of column-wise mean.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="../../../../../org/apache/mahout/math/hadoop/MatrixColumnMeansJob.MatrixColumnMeansReducer.html" title="class in org.apache.mahout.math.hadoop">MatrixColumnMeansJob.MatrixColumnMeansReducer</a></td>
<td class="colLast">
<div class="block">The reducer adds the partial column-wise sums from each of the mappers to
compute the total column-wise sum.</div>
</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="../../../../../org/apache/mahout/math/hadoop/MatrixMultiplicationJob.html" title="class in org.apache.mahout.math.hadoop">MatrixMultiplicationJob</a></td>
<td class="colLast">
<div class="block">This still uses the old MR api and as with all things in Mahout that are MapReduce is now part of 'mahout-mr'.</div>
</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="../../../../../org/apache/mahout/math/hadoop/MatrixMultiplicationJob.MatrixMultiplicationReducer.html" title="class in org.apache.mahout.math.hadoop">MatrixMultiplicationJob.MatrixMultiplicationReducer</a></td>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="../../../../../org/apache/mahout/math/hadoop/MatrixMultiplicationJob.MatrixMultiplyMapper.html" title="class in org.apache.mahout.math.hadoop">MatrixMultiplicationJob.MatrixMultiplyMapper</a></td>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="../../../../../org/apache/mahout/math/hadoop/TimesSquaredJob.html" title="class in org.apache.mahout.math.hadoop">TimesSquaredJob</a></td>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="../../../../../org/apache/mahout/math/hadoop/TimesSquaredJob.TimesMapper.html" title="class in org.apache.mahout.math.hadoop">TimesSquaredJob.TimesMapper</a></td>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="../../../../../org/apache/mahout/math/hadoop/TimesSquaredJob.TimesSquaredMapper.html" title="class in org.apache.mahout.math.hadoop">TimesSquaredJob.TimesSquaredMapper</a>&lt;T extends org.apache.hadoop.io.WritableComparable&gt;</td>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="rowColor">
<td class="colFirst"><a href="../../../../../org/apache/mahout/math/hadoop/TimesSquaredJob.VectorSummingReducer.html" title="class in org.apache.mahout.math.hadoop">TimesSquaredJob.VectorSummingReducer</a></td>
<td class="colLast">&nbsp;</td>
</tr>
<tr class="altColor">
<td class="colFirst"><a href="../../../../../org/apache/mahout/math/hadoop/TransposeJob.html" title="class in org.apache.mahout.math.hadoop">TransposeJob</a></td>
<td class="colLast">
<div class="block">Transpose a matrix</div>
</td>
</tr>
</tbody>
</table>
</li>
</ul>
</div>
<!-- ======= START OF BOTTOM NAVBAR ====== -->
<div class="bottomNav"><a name="navbar.bottom">
<!-- -->
</a>
<div class="skipNav"><a href="#skip.navbar.bottom" title="Skip navigation links">Skip navigation links</a></div>
<a name="navbar.bottom.firstrow">
<!-- -->
</a>
<ul class="navList" title="Navigation">
<li><a href="../../../../../overview-summary.html">Overview</a></li>
<li class="navBarCell1Rev">Package</li>
<li>Class</li>
<li><a href="package-use.html">Use</a></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/mahout/math/package-summary.html">Prev&nbsp;Package</a></li>
<li><a href="../../../../../org/apache/mahout/math/hadoop/decomposer/package-summary.html">Next&nbsp;Package</a></li>
</ul>
<ul class="navList">
<li><a href="../../../../../index.html?org/apache/mahout/math/hadoop/package-summary.html" target="_top">Frames</a></li>
<li><a href="package-summary.html" target="_top">No&nbsp;Frames</a></li>
</ul>
<ul class="navList" id="allclasses_navbar_bottom">
<li><a href="../../../../../allclasses-noframe.html">All&nbsp;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>
<a name="skip.navbar.bottom">
<!-- -->
</a></div>
<!-- ======== END OF BOTTOM NAVBAR ======= -->
<p class="legalCopy"><small>Copyright &#169; 2008&#x2013;2017 <a href="http://www.apache.org/">The Apache Software Foundation</a>. All rights reserved.</small></p>
</body>
</html>