Author: buildbot
Date: Fri Feb 3 23:44:09 2017
New Revision: 1006170
Log:
Staging update by buildbot for mahout
Modified:
websites/staging/mahout/trunk/content/ (props changed)
websites/staging/mahout/trunk/content/users/algorithms/d-spca.html
Propchange: websites/staging/mahout/trunk/content/
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--- cms:source-revision (original)
+++ cms:source-revision Fri Feb 3 23:44:09 2017
@@ -1 +1 @@
-1781625
+1781626
Modified: websites/staging/mahout/trunk/content/users/algorithms/d-spca.html
==============================================================================
--- websites/staging/mahout/trunk/content/users/algorithms/d-spca.html
(original)
+++ websites/staging/mahout/trunk/content/users/algorithms/d-spca.html Fri Feb
3 23:44:09 2017
@@ -283,7 +283,7 @@ h2:hover > .headerlink, h3:hover > .head
<h2 id="intro">Intro<a class="headerlink" href="#intro" title="Permanent
link">¶</a></h2>
<p>Mahout has a distributed implementation of Stochastic PCA[1].</p>
<h2 id="algorithm">Algorithm<a class="headerlink" href="#algorithm"
title="Permanent link">¶</a></h2>
-<p>Given an <em>m</em> <code>\(\times\)</code> <em>n</em> matrix
<code>\(\mathbf{A}\)</code>, a target rank <em>k</em>, and an oversampling
parameter <em>p</em>, this procedure computes a <em>k</em>-rank PCA by finding
the unknowns in <code>\(\mathbf{Aâ1\mu^\top \ge U\Sigma V}\)</code>:</p>
+<p>Given an <em>m</em> <code>\(\times\)</code> <em>n</em> matrix
<code>\(\mathbf{A}\)</code>, a target rank <em>k</em>, and an oversampling
parameter <em>p</em>, this procedure computes a <em>k</em>-rank PCA by finding
the unknowns in <code>\(\mathbf{Aâ1\mu^\top \approx U\Sigma V}\)</code>:</p>
<ol>
<li>Create seed for random <em>n</em> <code>\(\times\)</code> <em>(k+p)</em>
matrix <code>\(\Omega\)</code>.</li>
<li><code>\(\mathbf{s_\Omega \leftarrow \Omega^\top \mu}\)</code>.</li>
