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Posted to commits@mahout.apache.org by sr...@apache.org on 2012/02/11 11:22:31 UTC
svn commit: r1243022 [2/38] - in /mahout/site/new_website: ./ MAHOUT/
MAHOUT/2010/ MAHOUT/2010/09/ MAHOUT/2010/09/14/ MAHOUT/2011/
MAHOUT/2011/10/ MAHOUT/2011/10/21/ MAHOUT/books-tutorials-and-talks.data/
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Added: mahout/site/new_website/MAHOUT/algorithms.html
URL: http://svn.apache.org/viewvc/mahout/site/new_website/MAHOUT/algorithms.html?rev=1243022&view=auto
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--- mahout/site/new_website/MAHOUT/algorithms.html (added)
+++ mahout/site/new_website/MAHOUT/algorithms.html Sat Feb 11 10:22:15 2012
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+ /* Search form initialization */
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+ if (form != null) {
+ form.elements['domains'].value = location.hostname;
+ form.elements['sitesearch'].value = location.hostname;
+ }
+
+ /* Children initialization */
+ hide = document.getElementById('hide');
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+ children = document.all != null ?
+ document.all['children'] :
+ document.getElementById('children');
+ if (children != null) {
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+ function hideChildren() {
+ children.style.display = 'none';
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+ </SCRIPT>
+ <TITLE>Algorithms</TITLE>
+ <META http-equiv="Content-Type" content="text/html;charset=UTF-8"></HEAD>
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+ <TABLE border="0" cellpadding="2" cellspacing="0" width="100%">
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+ <A href="mahout-wiki.html" title="Apache Mahout">Apache Mahout</A> > <A href="mahout-wiki.html" title="Mahout Wiki">Mahout Wiki</A> > <A href="" title="Algorithms">Algorithms</A>
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+ </TABLE>
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+ <DIV id="PageContent">
+ <DIV class="pageheader" style="padding: 6px 0px 0px 0px;">
+ <!-- We'll enable this once we figure out how to access (and save) the logo resource -->
+ <!--img src="/wiki/images/confluence_logo.gif" style="float: left; margin: 4px 4px 4px 10px;" border="0"-->
+ <DIV style="margin: 0px 10px 0px 10px" class="smalltext">Apache Mahout</DIV>
+ <DIV style="margin: 0px 10px 8px 10px" class="pagetitle">Algorithms</DIV>
+
+ <DIV class="greynavbar" align="right" style="padding: 2px 10px; margin: 0px;">
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+ </DIV>
+ </DIV>
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+ <DIV class="pagecontent">
+ <DIV class="wiki-content">
+ <H2><A name="Algorithms-Algorithms"></A>Algorithms</H2>
+
+<P>This section contains links to information, examples, use cases, etc. for the various algorithms we intend to implement. Click the individual links to learn more. The initial algorithms descriptions have been copied here from the original project proposal. The algorithms are grouped by the application setting, they can be used for. In case of multiple applications, the version presented in the paper was chosen, versions as implemented in our project will be added as soon as we are working on them.</P>
+
+<P>Original Paper: <A href="http://www.cs.stanford.edu/people/ang/papers/nips06-mapreducemulticore.pdf" class="external-link" rel="nofollow">Map Reduce for Machine Learning on Multicore</A></P>
+
+<P>Papers related to Map Reduce:</P>
+<UL>
+ <LI><A href="http://csl.stanford.edu/~christos/publications/2007.cmp_mapreduce.hpca.pdf" class="external-link" rel="nofollow">Evaluating MapReduce for Multi-core and Multiprocessor Systems</A></LI>
+ <LI><A href="http://www.icsi.berkeley.edu/~arlo/publications/gillick_cs262a_proj.pdf" class="external-link" rel="nofollow">Map Reduce: Distributed Computing for Machine Learning</A></LI>
+</UL>
+
+
+<P>For Papers, videos and books related to machine learning in general, see <A href="machine-learning-resources.html" title="Machine Learning Resources">Machine Learning Resources</A></P>
+
+<P>All algorithms are either marked as <EM>integrated</EM>, that is the implementation is integrated into the development version of Mahout. Algorithms that are currently being developed are annotated with a link to the JIRA issue that deals with the specific implementation. Usually these issues already contain patches that are more or less major, depending on how much work was spent on the issue so far. Algorithms that have so far not been touched are marked as <EM>open</EM>.</P>
+
+<P><A href="what-when-where-why-but-not-how-or-who.html" title="What, When, Where, Why (but not How or Who)">What, When, Where, Why (but not How or Who)</A> - Community tips, tricks, etc. for when to use which algorithm in what situations, what to watch out for in terms of errors. That is, practical advice on using Mahout for your problems.</P>
+
+<H3><A name="Algorithms-Classification"></A>Classification</H3>
+
+<P>A general introduction to the most common text classification algorithms can be found at Google Answers: <A href="http://answers.google.com/answers/main?cmd=threadview&id=225316" class="external-link" rel="nofollow">http://answers.google.com/answers/main?cmd=threadview&id=225316</A> For information on the algorithms implemented in Mahout (or scheduled for implementation) please visit the following pages.</P>
+
+<P><A href="logistic-regression.html" title="Logistic Regression">Logistic Regression</A> (SGD)</P>
+
+<P><A href="bayesian.html" title="Bayesian">Bayesian</A></P>
+
+<P><A href="support-vector-machines.html" title="Support Vector Machines">Support Vector Machines</A> (SVM) (open: <A href="http://issues.apache.org/jira/browse/MAHOUT-14" class="external-link" rel="nofollow">MAHOUT-14</A>, <A href="http://issues.apache.org/jira/browse/MAHOUT-232" class="external-link" rel="nofollow">MAHOUT-232</A> and <A href="https://issues.apache.org/jira/browse/MAHOUT-334" class="external-link" rel="nofollow">MAHOUT-334</A>) </P>
+
+<P><A href="perceptron-and-winnow.html" title="Perceptron and Winnow">Perceptron and Winnow</A> (open: <A href="http://issues.apache.org/jira/browse/MAHOUT-85" class="external-link" rel="nofollow">MAHOUT-85</A>)</P>
+
+<P><A href="neural-network.html" title="Neural Network">Neural Network</A> (open, but <A href="http://issues.apache.org/jira/browse/MAHOUT-228" class="external-link" rel="nofollow">MAHOUT-228</A> might help)</P>
+
+<P><A href="random-forests.html" title="Random Forests">Random Forests</A> (integrated - <A href="http://issues.apache.org/jira/browse/MAHOUT-122" class="external-link" rel="nofollow">MAHOUT-122</A>, <A href="http://issues.apache.org/jira/browse/MAHOUT-140" class="external-link" rel="nofollow">MAHOUT-140</A>, <A href="http://issues.apache.org/jira/browse/MAHOUT-145" class="external-link" rel="nofollow">MAHOUT-145</A>)</P>
+
+<P><A href="restricted-boltzmann-machines.html" title="Restricted Boltzmann Machines">Restricted Boltzmann Machines</A> (open, <A href="http://issues.apache.org/jira/browse/MAHOUT-375" class="external-link" rel="nofollow">MAHOUT-375</A>, GSOC2010)</P>
+
+<P><A href="online-passive-aggressive.html" title="Online Passive Aggressive">Online Passive Aggressive</A> (integrated, <A href="http://issues.apache.org/jira/browse/MAHOUT-702" class="external-link" rel="nofollow">MAHOUT-702</A>)</P>
+
+<P><A href="boosting.html" title="Boosting">Boosting</A> (awaiting patch commit, <A href="https://issues.apache.org/jira/browse/MAHOUT-716" class="external-link" rel="nofollow">MAHOUT-716</A>)</P>
+
+<P><A href="hidden-markov-models.html" title="Hidden Markov Models">Hidden Markov Models</A> (HMM) (MAHOUT-627, MAHOUT-396, MAHOUT-734) - Training is done in Map-Reduce</P>
+
+<H3><A name="Algorithms-Clustering"></A>Clustering</H3>
+
+<P><A href="reference-reading.html" title="Reference Reading">Reference Reading</A></P>
+
+<P><A href="canopy-clustering.html" title="Canopy Clustering">Canopy Clustering</A> (<A href="https://issues.apache.org/jira/browse/MAHOUT-3" class="external-link" rel="nofollow">MAHOUT-3</A> - integrated)</P>
+
+<P><A href="k-means-clustering.html" title="K-Means Clustering">K-Means Clustering</A> (<A href="https://issues.apache.org/jira/browse/MAHOUT-5" class="external-link" rel="nofollow">MAHOUT-5</A> - integrated)</P>
+
+<P><A href="fuzzy-k-means.html" title="Fuzzy K-Means">Fuzzy K-Means</A> (<A href="https://issues.apache.org/jira/browse/MAHOUT-74" class="external-link" rel="nofollow">MAHOUT-74</A> - integrated)</P>
+
+<P><A href="expectation-maximization.html" title="Expectation Maximization">Expectation Maximization</A> (EM) (<A href="http://issues.apache.org/jira/browse/MAHOUT-28" class="external-link" rel="nofollow">MAHOUT-28</A>)</P>
+
+<P><A href="mean-shift-clustering.html" title="Mean Shift Clustering">Mean Shift Clustering</A> (<A href="https://issues.apache.org/jira/browse/MAHOUT-15" class="external-link" rel="nofollow">MAHOUT-15</A> - integrated)</P>
+
+<P><A href="hierarchical-clustering.html" title="Hierarchical Clustering">Hierarchical Clustering</A> (<A href="http://issues.apache.org/jira/browse/MAHOUT-19" class="external-link" rel="nofollow">MAHOUT-19</A>)</P>
+
+<P><A href="dirichlet-process-clustering.html" title="Dirichlet Process Clustering">Dirichlet Process Clustering</A> (<A href="http://issues.apache.org/jira/browse/MAHOUT-30" class="external-link" rel="nofollow">MAHOUT-30</A> - integrated)</P>
+
+<P><A href="latent-dirichlet-allocation.html" title="Latent Dirichlet Allocation">Latent Dirichlet Allocation</A> (<A href="http://issues.apache.org/jira/browse/MAHOUT-123" class="external-link" rel="nofollow">MAHOUT-123</A> - integrated)</P>
+
+<P><A href="spectral-clustering.html" title="Spectral Clustering">Spectral Clustering</A> (<A href="https://issues.apache.org/jira/browse/MAHOUT-363" class="external-link" rel="nofollow">MAHOUT-363</A> - integrated)</P>
+
+<P><A href="minhash-clustering.html" title="Minhash Clustering">Minhash Clustering</A> (<A href="https://issues.apache.org/jira/browse/MAHOUT-344" class="external-link" rel="nofollow">MAHOUT-344</A> - integrated)</P>
+
+<P><A href="top-down-clustering.html" title="Top Down Clustering">Top Down Clustering</A> (<A href="https://issues.apache.org/jira/browse/MAHOUT-843" class="external-link" rel="nofollow">MAHOUT-843</A> - patch reviewed)</P>
+
+<H3><A name="Algorithms-PatternMining"></A>Pattern Mining</H3>
+
+<P><A href="parallel-frequent-pattern-mining.html" title="Parallel Frequent Pattern Mining">Parallel FP Growth Algorithm</A> (Also known as Frequent Itemset mining)</P>
+
+<H3><A name="Algorithms-Regression"></A>Regression</H3>
+
+<P><A href="locally-weighted-linear-regression.html" title="Locally Weighted Linear Regression">Locally Weighted Linear Regression</A> (open)</P>
+
+
+<H3><A name="Algorithms-Dimensionreduction"></A>Dimension reduction</H3>
+
+<P><A href="dimensional-reduction.html" title="Dimensional Reduction">Singular Value Decomposition and other Dimension Reduction Techniques</A> (available since 0.3)</P>
+
+<P><A href="stochastic-singular-value-decomposition.html" title="Stochastic Singular Value Decomposition">Stochastic Singular Value Decomposition</A></P>
+
+<P><A href="principal-components-analysis.html" title="Principal Components Analysis">Principal Components Analysis</A> (PCA) (open)</P>
+
+<P><A href="independent-component-analysis.html" title="Independent Component Analysis">Independent Component Analysis</A> (open)</P>
+
+<P><A href="gaussian-discriminative-analysis.html" title="Gaussian Discriminative Analysis">Gaussian Discriminative Analysis</A> (GDA) (open)</P>
+
+<H3><A name="Algorithms-EvolutionaryAlgorithms"></A>Evolutionary Algorithms</H3>
+
+<P>see also: <A href="http://issues.apache.org/jira/browse/MAHOUT-56" class="external-link" rel="nofollow">MAHOUT-56 (integrated)</A></P>
+
+<P>You will find here information, examples, use cases, etc. related to Evolutionary Algorithms.</P>
+
+<P>Introductions and Tutorials:</P>
+<UL>
+ <LI><A href="http://www.geatbx.com/docu/algindex.html" class="external-link" rel="nofollow">Evolutionary Algorithms Introduction</A></LI>
+ <LI><A href="mahoutgatutorial.html" title="Mahout.GA.Tutorial">How to distribute the fitness evaluation using Mahout.GA</A></LI>
+</UL>
+
+
+<P>Examples:</P>
+<UL>
+ <LI><A href="traveling-salesman.html" title="Traveling Salesman">Traveling Salesman</A></LI>
+ <LI><A href="class-discovery.html" title="Class Discovery">Class Discovery</A></LI>
+</UL>
+
+
+<H3><A name="Algorithms-Recommenders%2FCollaborativeFiltering"></A>Recommenders / Collaborative Filtering</H3>
+
+<P>Mahout contains both simple non-distributed recommender implementations and distributed Hadoop-based recommenders.</P>
+
+<UL>
+ <LI><A href="recommender-documentation.html" title="Recommender Documentation">Non-distributed recommenders ("Taste")</A> (integrated)</LI>
+ <LI><A href="itembased-collaborative-filtering.html" title="Itembased Collaborative Filtering">Distributed Item-Based Collaborative Filtering</A> (integrated)</LI>
+ <LI><A href="collaborative-filtering-with-als-wr.html" title="Collaborative Filtering with ALS-WR">Collaborative Filtering using a parallel matrix factorization</A> (integrated)</LI>
+ <LI><A href="recommender-first-timer-faq.html" title="Recommender First-Timer FAQ">First-timer FAQ</A></LI>
+</UL>
+
+
+<H3><A name="Algorithms-VectorSimilarity"></A>Vector Similarity</H3>
+
+<P>Mahout contains implementations that allow one to compare one or more vectors with another set of vectors. This can be useful if one is, for instance, trying to calculate the pairwise similarity between all documents (or a subset of docs) in a corpus.</P>
+
+<UL>
+ <LI>RowSimilarityJob – Builds an inverted index and then computes distances between items that have co-occurrences. This is a fully distributed calculation.</LI>
+ <LI>VectorDistanceJob – Does a map side join between a set of "seed" vectors and all of the input vectors.</LI>
+</UL>
+
+
+<H3><A name="Algorithms-Other"></A>Other</H3>
+
+<UL>
+ <LI><A href="collocations.html" title="Collocations">Collocations</A></LI>
+</UL>
+
+
+<H3><A name="Algorithms-NonMapReducealgorithms"></A>Non-MapReduce algorithms</H3>
+
+<P>Some algorithms and applications appeared on the mailing list, that have not been published in map reduce form so far. As we do not restrict ourselves to Hadoop-only versions, these proposals are listed here.</P>
+
+
+
+ </DIV>
+
+ <DIV class="tabletitle">
+ Children
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+ <A href="javascript:showChildren()">Show Children</A></SPAN>
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+ <A href="javascript:hideChildren()">Hide Children</A></SPAN>
+ </DIV>
+ <DIV class="greybox" id="children" style="display: none;">
+ <A href="k-means-clustering.html" title="K-Means Clustering">K-Means Clustering</A>
+ <SPAN class="smalltext">(Apache Mahout)</SPAN>
+ <BR>
+ <A href="neural-network.html" title="Neural Network">Neural Network</A>
+ <SPAN class="smalltext">(Apache Mahout)</SPAN>
+ <BR>
+ <A href="locally-weighted-linear-regression.html" title="Locally Weighted Linear Regression">Locally Weighted Linear Regression</A>
+ <SPAN class="smalltext">(Apache Mahout)</SPAN>
+ <BR>
+ <A href="support-vector-machines.html" title="Support Vector Machines">Support Vector Machines</A>
+ <SPAN class="smalltext">(Apache Mahout)</SPAN>
+ <BR>
+ <A href="expectation-maximization.html" title="Expectation Maximization">Expectation Maximization</A>
+ <SPAN class="smalltext">(Apache Mahout)</SPAN>
+ <BR>
+ <A href="logistic-regression.html" title="Logistic Regression">Logistic Regression</A>
+ <SPAN class="smalltext">(Apache Mahout)</SPAN>
+ <BR>
+ <A href="principal-components-analysis.html" title="Principal Components Analysis">Principal Components Analysis</A>
+ <SPAN class="smalltext">(Apache Mahout)</SPAN>
+ <BR>
+ <A href="independent-component-analysis.html" title="Independent Component Analysis">Independent Component Analysis</A>
+ <SPAN class="smalltext">(Apache Mahout)</SPAN>
+ <BR>
+ <A href="gaussian-discriminative-analysis.html" title="Gaussian Discriminative Analysis">Gaussian Discriminative Analysis</A>
+ <SPAN class="smalltext">(Apache Mahout)</SPAN>
+ <BR>
+ <A href="canopy-clustering.html" title="Canopy Clustering">Canopy Clustering</A>
+ <SPAN class="smalltext">(Apache Mahout)</SPAN>
+ <BR>
+ <A href="mean-shift-clustering.html" title="Mean Shift Clustering">Mean Shift Clustering</A>
+ <SPAN class="smalltext">(Apache Mahout)</SPAN>
+ <BR>
+ <A href="fuzzy-k-means.html" title="Fuzzy K-Means">Fuzzy K-Means</A>
+ <SPAN class="smalltext">(Apache Mahout)</SPAN>
+ <BR>
+ <A href="bayesian.html" title="Bayesian">Bayesian</A>
+ <SPAN class="smalltext">(Apache Mahout)</SPAN>
+ <BR>
+ <A href="perceptron-and-winnow.html" title="Perceptron and Winnow">Perceptron and Winnow</A>
+ <SPAN class="smalltext">(Apache Mahout)</SPAN>
+ <BR>
+ <A href="dirichlet-process-clustering.html" title="Dirichlet Process Clustering">Dirichlet Process Clustering</A>
+ <SPAN class="smalltext">(Apache Mahout)</SPAN>
+ <BR>
+ <A href="random-forests.html" title="Random Forests">Random Forests</A>
+ <SPAN class="smalltext">(Apache Mahout)</SPAN>
+ <BR>
+ <A href="latent-dirichlet-allocation.html" title="Latent Dirichlet Allocation">Latent Dirichlet Allocation</A>
+ <SPAN class="smalltext">(Apache Mahout)</SPAN>
+ <BR>
+ <A href="hierarchical-clustering.html" title="Hierarchical Clustering">Hierarchical Clustering</A>
+ <SPAN class="smalltext">(Apache Mahout)</SPAN>
+ <BR>
+ <A href="parallel-frequent-pattern-mining.html" title="Parallel Frequent Pattern Mining">Parallel Frequent Pattern Mining</A>
+ <SPAN class="smalltext">(Apache Mahout)</SPAN>
+ <BR>
+ <A href="dimensional-reduction.html" title="Dimensional Reduction">Dimensional Reduction</A>
+ <SPAN class="smalltext">(Apache Mahout)</SPAN>
+ <BR>
+ <A href="collocations.html" title="Collocations">Collocations</A>
+ <SPAN class="smalltext">(Apache Mahout)</SPAN>
+ <BR>
+ <A href="restricted-boltzmann-machines.html" title="Restricted Boltzmann Machines">Restricted Boltzmann Machines</A>
+ <SPAN class="smalltext">(Apache Mahout)</SPAN>
+ <BR>
+ <A href="hidden-markov-models.html" title="Hidden Markov Models">Hidden Markov Models</A>
+ <SPAN class="smalltext">(Apache Mahout)</SPAN>
+ <BR>
+ <A href="recommender-documentation.html" title="Recommender Documentation">Recommender Documentation</A>
+ <SPAN class="smalltext">(Apache Mahout)</SPAN>
+ <BR>
+ <A href="spectral-clustering.html" title="Spectral Clustering">Spectral Clustering</A>
+ <SPAN class="smalltext">(Apache Mahout)</SPAN>
+ <BR>
+ <A href="itembased-collaborative-filtering.html" title="Itembased Collaborative Filtering">Itembased Collaborative Filtering</A>
+ <SPAN class="smalltext">(Apache Mahout)</SPAN>
+ <BR>
+ <A href="recommender-first-timer-faq.html" title="Recommender First-Timer FAQ">Recommender First-Timer FAQ</A>
+ <SPAN class="smalltext">(Apache Mahout)</SPAN>
+ <BR>
+ <A href="online-passive-aggressive.html" title="Online Passive Aggressive">Online Passive Aggressive</A>
+ <SPAN class="smalltext">(Apache Mahout)</SPAN>
+ <BR>
+ <A href="minhash-clustering.html" title="Minhash Clustering">Minhash Clustering</A>
+ <SPAN class="smalltext">(Apache Mahout)</SPAN>
+ <BR>
+ <A href="parallel-viterbi.html" title="Parallel Viterbi">Parallel Viterbi</A>
+ <SPAN class="smalltext">(Apache Mahout)</SPAN>
+ <BR>
+ <A href="boosting.html" title="Boosting">Boosting</A>
+ <SPAN class="smalltext">(Apache Mahout)</SPAN>
+ <BR>
+ <A href="collaborative-filtering-with-als-wr.html" title="Collaborative Filtering with ALS-WR">Collaborative Filtering with ALS-WR</A>
+ <SPAN class="smalltext">(Apache Mahout)</SPAN>
+ <BR>
+ <A href="machine-learning-resources.html" title="Machine Learning Resources">Machine Learning Resources</A>
+ <SPAN class="smalltext">(Apache Mahout)</SPAN>
+ <BR>
+ <A href="stochastic-singular-value-decomposition.html" title="Stochastic Singular Value Decomposition">Stochastic Singular Value Decomposition</A>
+ <SPAN class="smalltext">(Apache Mahout)</SPAN>
+ <BR>
+ <A href="online-viterbi.html" title="Online Viterbi">Online Viterbi</A>
+ <SPAN class="smalltext">(Apache Mahout)</SPAN>
+ <BR>
+ <A href="top-down-clustering.html" title="Top Down Clustering">Top Down Clustering</A>
+ <SPAN class="smalltext">(Apache Mahout)</SPAN>
+ <BR>
+ <A href="rowsimilarityjob.html" title="RowSimilarityJob">RowSimilarityJob</A>
+ <SPAN class="smalltext">(Apache Mahout)</SPAN>
+ <BR>
+ </DIV>
+
+ </DIV>
+ </DIV>
+ <DIV class="footer">
+ Generated by
+ <A href="http://www.atlassian.com/confluence/">Atlassian Confluence</A> (Version: 3.4.9 Build: 2042 Feb 14, 2011)
+ <A href="http://could.it/autoexport/">Auto Export Plugin</A> (Version: 1.0.0-dkulp)
+ </DIV>
+<SCRIPT type="text/javascript">
+
+ var _gaq = _gaq || [];
+ _gaq.push(['_setAccount', 'UA-17359171-1']);
+ _gaq.push(['_setDomainName', 'none']);
+ _gaq.push(['_setAllowLinker', true]);
+ _gaq.push(['_trackPageview']);
+
+ (function() {
+ var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
+ ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
+ var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
+ })();
+
+</SCRIPT>
+ </BODY>
+</HTML>
\ No newline at end of file
Added: mahout/site/new_website/MAHOUT/apache-mahout-downloads-and-releases.html
URL: http://svn.apache.org/viewvc/mahout/site/new_website/MAHOUT/apache-mahout-downloads-and-releases.html?rev=1243022&view=auto
==============================================================================
--- mahout/site/new_website/MAHOUT/apache-mahout-downloads-and-releases.html (added)
+++ mahout/site/new_website/MAHOUT/apache-mahout-downloads-and-releases.html Sat Feb 11 10:22:15 2012
@@ -0,0 +1,148 @@
+
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
+<HTML>
+ <HEAD>
+ <LINK type="text/css" rel="stylesheet" href="resources/space.css">
+ <STYLE type="text/css">
+ .footer {
+ background-image: url('https://cwiki.apache.org/confluence/images/border/border_bottom.gif');
+ background-repeat: repeat-x;
+ background-position: left top;
+ padding-top: 4px;
+ color: #666;
+ }
+ </STYLE>
+ <SCRIPT type="text/javascript" language="javascript">
+ var hide = null;
+ var show = null;
+ var children = null;
+
+ function init() {
+ /* Search form initialization */
+ var form = document.forms['search'];
+ if (form != null) {
+ form.elements['domains'].value = location.hostname;
+ form.elements['sitesearch'].value = location.hostname;
+ }
+
+ /* Children initialization */
+ hide = document.getElementById('hide');
+ show = document.getElementById('show');
+ children = document.all != null ?
+ document.all['children'] :
+ document.getElementById('children');
+ if (children != null) {
+ children.style.display = 'none';
+ show.style.display = 'inline';
+ hide.style.display = 'none';
+ }
+ }
+
+ function showChildren() {
+ children.style.display = 'block';
+ show.style.display = 'none';
+ hide.style.display = 'inline';
+ }
+
+ function hideChildren() {
+ children.style.display = 'none';
+ show.style.display = 'inline';
+ hide.style.display = 'none';
+ }
+ </SCRIPT>
+ <TITLE>Apache Mahout - Downloads and Releases</TITLE>
+ <META http-equiv="Content-Type" content="text/html;charset=UTF-8"></HEAD>
+ <BODY onload="init()">
+ <TABLE border="0" cellpadding="2" cellspacing="0" width="100%">
+ <TR class="topBar">
+ <TD align="left" valign="middle" class="topBarDiv" align="left" nowrap="">
+ <A href="mahout-wiki.html" title="Apache Mahout">Apache Mahout</A> > <A href="mahout-wiki.html" title="Mahout Wiki">Mahout Wiki</A> > <A href="" title="Apache Mahout - Downloads and Releases">Apache Mahout - Downloads and Releases</A>
+ </TD>
+ <TD align="right" valign="middle" nowrap="">
+ <FORM name="search" action="http://www.google.com/search" method="get">
+ <INPUT type="hidden" name="ie" value="UTF-8">
+ <INPUT type="hidden" name="oe" value="UTF-8">
+ <INPUT type="hidden" name="domains" value="">
+ <INPUT type="hidden" name="sitesearch" value="">
+ <INPUT type="text" name="q" maxlength="255" value="">
+ <INPUT type="submit" name="btnG" value="Google Search">
+ </FORM>
+ </TD>
+ </TR>
+ </TABLE>
+
+ <DIV id="PageContent">
+ <DIV class="pageheader" style="padding: 6px 0px 0px 0px;">
+ <!-- We'll enable this once we figure out how to access (and save) the logo resource -->
+ <!--img src="/wiki/images/confluence_logo.gif" style="float: left; margin: 4px 4px 4px 10px;" border="0"-->
+ <DIV style="margin: 0px 10px 0px 10px" class="smalltext">Apache Mahout</DIV>
+ <DIV style="margin: 0px 10px 8px 10px" class="pagetitle">Apache Mahout - Downloads and Releases</DIV>
+
+ <DIV class="greynavbar" align="right" style="padding: 2px 10px; margin: 0px;">
+ <A href="https://cwiki.apache.org/confluence/pages/editpage.action?pageId=22872410">
+ <IMG src="https://cwiki.apache.org/confluence/images/icons/notep_16.gif" height="16" width="16" border="0" align="absmiddle" title="Edit Page"></A>
+ <A href="https://cwiki.apache.org/confluence/pages/editpage.action?pageId=22872410">Edit Page</A>
+
+ <A href="https://cwiki.apache.org/confluence/pages/listpages.action?key=MAHOUT">
+ <IMG src="https://cwiki.apache.org/confluence/images/icons/browse_space.gif" height="16" width="16" border="0" align="absmiddle" title="Browse Space"></A>
+ <A href="https://cwiki.apache.org/confluence/pages/listpages.action?key=MAHOUT">Browse Space</A>
+
+ <A href="https://cwiki.apache.org/confluence/pages/createpage.action?spaceKey=MAHOUT&fromPageId=22872410">
+ <IMG src="https://cwiki.apache.org/confluence/images/icons/add_page_16.gif" height="16" width="16" border="0" align="absmiddle" title="Add Page"></A>
+ <A href="https://cwiki.apache.org/confluence/pages/createpage.action?spaceKey=MAHOUT&fromPageId=22872410">Add Page</A>
+
+ <A href="https://cwiki.apache.org/confluence/pages/createblogpost.action?spaceKey=MAHOUT&fromPageId=22872410">
+ <IMG src="https://cwiki.apache.org/confluence/images/icons/add_blogentry_16.gif" height="16" width="16" border="0" align="absmiddle" title="Add News"></A>
+ <A href="https://cwiki.apache.org/confluence/pages/createblogpost.action?spaceKey=MAHOUT&fromPageId=22872410">Add News</A>
+ </DIV>
+ </DIV>
+ <DIV class="pagesubheading" style="margin: 0px 10px 0px 10px;">
+ #editReport()
+ </DIV>
+
+ <DIV class="pagecontent">
+ <DIV class="wiki-content">
+ <P>Apache Mahout is an official Apache project and thus available from any of the Apache mirrors. We started off as a Lucene sub-project, so older releases are available from the <A href="http://www.apache.org/dyn/closer.cgi/lucene/mahout" class="external-link" rel="nofollow">Lucene Release Mirrors</A>. All future releases will be available from <A href="http://www.apache.org/dyn/closer.cgi/mahout" class="external-link" rel="nofollow">Mahout</A>.</P>
+
+<H2><A name="ApacheMahout-DownloadsandReleases-OfficialRelease"></A>Official Release</H2>
+
+<P>The latest Mahout release is available for download at: <A href="http://www.apache.org/dyn/closer.cgi/mahout/" class="external-link" rel="nofollow">http://www.apache.org/dyn/closer.cgi/mahout/</A></P>
+
+<P><A href="https://cwiki.apache.org/MAHOUT/systemrequirements.html" class="external-link" rel="nofollow">System Requirements</A> are detailed online. </P>
+
+<H2><A name="ApacheMahout-DownloadsandReleases-FutureReleases"></A>Future Releases</H2>
+
+<P>Official releases are usually created when the developers feel there are sufficient changes, improvements and bug fixes to warrant a release. Watch the <A href="https://cwiki.apache.org/MAHOUT/mailinglistarchives.html" class="external-link" rel="nofollow">Mailing lists</A> for latest release discussions.</P>
+ </DIV>
+
+ <DIV class="tabletitle">
+ Children
+ <SPAN class="smalltext" id="show" style="display: inline;">
+ <A href="javascript:showChildren()">Show Children</A></SPAN>
+ <SPAN class="smalltext" id="hide" style="display: none;">
+ <A href="javascript:hideChildren()">Hide Children</A></SPAN>
+ </DIV>
+ <DIV class="greybox" id="children" style="display: none;">
+ <A href="howtoupdatethewebsite.html" title="HowToUpdateTheWebsite">HowToUpdateTheWebsite</A>
+ <SPAN class="smalltext">(Apache Mahout)</SPAN>
+ <BR>
+ <A href="releasetodo.html" title="ReleaseToDo">ReleaseToDo</A>
+ <SPAN class="smalltext">(Apache Mahout)</SPAN>
+ <BR>
+ <A href="how-to-release.html" title="How to release">How to release</A>
+ <SPAN class="smalltext">(Apache Mahout)</SPAN>
+ <BR>
+ <A href="mahoutreleases.html" title="MahoutReleases">MahoutReleases</A>
+ <SPAN class="smalltext">(Apache Mahout)</SPAN>
+ <BR>
+ </DIV>
+
+ </DIV>
+ </DIV>
+ <DIV class="footer">
+ Generated by
+ <A href="http://www.atlassian.com/confluence/">Atlassian Confluence</A> (Version: 3.2 Build: 1810 Mar 16, 2010)
+ <A href="http://could.it/autoexport/">Auto Export Plugin</A> (Version: 1.0.0-dkulp)
+ </DIV>
+ </BODY>
+</HTML>
\ No newline at end of file
Added: mahout/site/new_website/MAHOUT/asfemail.html
URL: http://svn.apache.org/viewvc/mahout/site/new_website/MAHOUT/asfemail.html?rev=1243022&view=auto
==============================================================================
--- mahout/site/new_website/MAHOUT/asfemail.html (added)
+++ mahout/site/new_website/MAHOUT/asfemail.html Sat Feb 11 10:22:15 2012
@@ -0,0 +1,177 @@
+
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
+<HTML>
+ <HEAD>
+<LINK type="text/css" rel="stylesheet" href="https://cwiki.apache.org/confluence/display/MAHOUT/$stylebase/space.css">
+<LINK type="text/css" rel="stylesheet" href="https://cwiki.apache.org/confluence/display/MAHOUT/$stylebase/master.css">
+<LINK type="text/css" rel="stylesheet" href="https://cwiki.apache.org/confluence/display/MAHOUT/$stylebase/wiki-content.css">
+<LINK type="text/css" rel="stylesheet" href="https://cwiki.apache.org/confluence/display/MAHOUT/$stylebase/abs.css">
+<LINK type="text/css" rel="stylesheet" href="https://cwiki.apache.org/confluence/display/MAHOUT/$stylebase/menu.css">
+<LINK type="text/css" rel="stylesheet" href="https://cwiki.apache.org/confluence/display/MAHOUT/$stylebase/menu-ie.css">
+<LINK type="text/css" rel="stylesheet" href="https://cwiki.apache.org/confluence/display/MAHOUT/$stylebase/tables.css">
+<LINK type="text/css" rel="stylesheet" href="https://cwiki.apache.org/confluence/display/MAHOUT/$stylebase/panels.css">
+<LINK type="text/css" rel="stylesheet" href="https://cwiki.apache.org/confluence/display/MAHOUT/$stylebase/master-ie.css">
+<LINK type="text/css" rel="stylesheet" href="https://cwiki.apache.org/confluence/display/MAHOUT/$stylebase/renderer-macros.css">
+<LINK type="text/css" rel="stylesheet" href="https://cwiki.apache.org/confluence/display/MAHOUT/$stylebase/content-types.css">
+<LINK type="text/css" rel="stylesheet" href="https://cwiki.apache.org/confluence/display/MAHOUT/$stylebase/login.css">
+<LINK type="text/css" rel="stylesheet" href="https://cwiki.apache.org/confluence/display/MAHOUT/$stylebase/information-macros.css">
+<LINK type="text/css" rel="stylesheet" href="https://cwiki.apache.org/confluence/display/MAHOUT/$stylebase/layout-macros.css">
+<LINK type="text/css" rel="stylesheet" href="https://cwiki.apache.org/confluence/display/MAHOUT/$stylebase/default-theme.css">
+ <LINK type="text/css" rel="stylesheet" href="resources/space.css">
+ <STYLE type="text/css">
+ .footer {
+ background-image: url('https://cwiki.apache.org/confluence/images/border/border_bottom.gif');
+ background-repeat: repeat-x;
+ background-position: left top;
+ padding-top: 4px;
+ color: #666;
+ }
+ </STYLE>
+ <SCRIPT type="text/javascript" language="javascript">
+ var hide = null;
+ var show = null;
+ var children = null;
+
+ function init() {
+ /* Search form initialization */
+ var form = document.forms['search'];
+ if (form != null) {
+ form.elements['domains'].value = location.hostname;
+ form.elements['sitesearch'].value = location.hostname;
+ }
+
+ /* Children initialization */
+ hide = document.getElementById('hide');
+ show = document.getElementById('show');
+ children = document.all != null ?
+ document.all['children'] :
+ document.getElementById('children');
+ if (children != null) {
+ children.style.display = 'none';
+ show.style.display = 'inline';
+ hide.style.display = 'none';
+ }
+ }
+
+ function showChildren() {
+ children.style.display = 'block';
+ show.style.display = 'none';
+ hide.style.display = 'inline';
+ }
+
+ function hideChildren() {
+ children.style.display = 'none';
+ show.style.display = 'inline';
+ hide.style.display = 'none';
+ }
+ </SCRIPT>
+ <TITLE>ASFEmail</TITLE>
+ <META http-equiv="Content-Type" content="text/html;charset=UTF-8"></HEAD>
+ <BODY onload="init()">
+ <TABLE border="0" cellpadding="2" cellspacing="0" width="100%">
+ <TR class="topBar">
+ <TD align="left" valign="middle" class="topBarDiv" align="left" nowrap="">
+ <A href="mahout-wiki.html" title="Apache Mahout">Apache Mahout</A> > <A href="mahout-wiki.html" title="Mahout Wiki">Mahout Wiki</A> > <A href="" title="ASFEmail">ASFEmail</A>
+ </TD>
+ <TD align="right" valign="middle" nowrap="">
+ <FORM name="search" action="http://www.google.com/search" method="get">
+ <INPUT type="hidden" name="ie" value="UTF-8">
+ <INPUT type="hidden" name="oe" value="UTF-8">
+ <INPUT type="hidden" name="domains" value="">
+ <INPUT type="hidden" name="sitesearch" value="">
+ <INPUT type="text" name="q" maxlength="255" value="">
+ <INPUT type="submit" name="btnG" value="Google Search">
+ </FORM>
+ </TD>
+ </TR>
+ </TABLE>
+
+ <DIV id="PageContent">
+ <DIV class="pageheader" style="padding: 6px 0px 0px 0px;">
+ <!-- We'll enable this once we figure out how to access (and save) the logo resource -->
+ <!--img src="/wiki/images/confluence_logo.gif" style="float: left; margin: 4px 4px 4px 10px;" border="0"-->
+ <DIV style="margin: 0px 10px 0px 10px" class="smalltext">Apache Mahout</DIV>
+ <DIV style="margin: 0px 10px 8px 10px" class="pagetitle">ASFEmail</DIV>
+
+ <DIV class="greynavbar" align="right" style="padding: 2px 10px; margin: 0px;">
+ <A href="https://cwiki.apache.org/confluence/pages/editpage.action?pageId=27834697">
+ <IMG src="https://cwiki.apache.org/confluence/images/icons/notep_16.gif" height="16" width="16" border="0" align="absmiddle" title="Edit Page"></A>
+ <A href="https://cwiki.apache.org/confluence/pages/editpage.action?pageId=27834697">Edit Page</A>
+
+ <A href="https://cwiki.apache.org/confluence/pages/listpages.action?key=MAHOUT">
+ <IMG src="https://cwiki.apache.org/confluence/images/icons/browse_space.gif" height="16" width="16" border="0" align="absmiddle" title="Browse Space"></A>
+ <A href="https://cwiki.apache.org/confluence/pages/listpages.action?key=MAHOUT">Browse Space</A>
+
+ <A href="https://cwiki.apache.org/confluence/pages/createpage.action?spaceKey=MAHOUT&fromPageId=27834697">
+ <IMG src="https://cwiki.apache.org/confluence/images/icons/add_page_16.gif" height="16" width="16" border="0" align="absmiddle" title="Add Page"></A>
+ <A href="https://cwiki.apache.org/confluence/pages/createpage.action?spaceKey=MAHOUT&fromPageId=27834697">Add Page</A>
+
+ <A href="https://cwiki.apache.org/confluence/pages/createblogpost.action?spaceKey=MAHOUT&fromPageId=27834697">
+ <IMG src="https://cwiki.apache.org/confluence/images/icons/add_blogentry_16.gif" height="16" width="16" border="0" align="absmiddle" title="Add News"></A>
+ <A href="https://cwiki.apache.org/confluence/pages/createblogpost.action?spaceKey=MAHOUT&fromPageId=27834697">Add News</A>
+ </DIV>
+ </DIV>
+
+ <DIV class="pagecontent">
+ <DIV class="wiki-content">
+ <H1><A name="ASFEmail-Introduction"></A>Introduction</H1>
+
+<P>The ASF Email example demonstrate a variety of Mahout's capabilities using a single, publicly available (public domain) data set consisting of approximately 7 million emails from the Apache Software Foundation. The data set is currently hosted at Amazon as a public data set (it will cost you to download the set) available at <A href="http://aws.amazon.com/datasets/7791434387204566" class="external-link" rel="nofollow">http://aws.amazon.com/datasets/7791434387204566</A>. A subset of the data can be retrieved at no cost from <A href="http://www.lucidimagination.com/devzone/technical-articles/scaling-mahout" class="external-link" rel="nofollow">http://www.lucidimagination.com/devzone/technical-articles/scaling-mahout</A>.</P>
+
+<P><A href="http://www.ibm.com/developerworks/java/library/j-mahout-scaling/" class="external-link" rel="nofollow">http://www.ibm.com/developerworks/java/library/j-mahout-scaling/</A></P>
+
+<H1><A name="ASFEmail-Requirements"></A>Requirements</H1>
+
+<UL>
+ <LI>You will need a trunk version (from <A href="http://svn.apache.org/repos/asf/mahout/trunk/" class="external-link" rel="nofollow">Subversion</A>) of Mahout as of December 2011 (but you might as well get the latest), which is will eventually become Mahout 0.6.</LI>
+ <LI>Java 1.6</LI>
+ <LI>A local copy of the dataset.</LI>
+</UL>
+
+
+
+<H1><A name="ASFEmail-Runningtheexamples"></A>Running the examples</H1>
+
+<P>All of the examples are contained in the $MAHOUT_HOME/examples/bin/asf-email-examples.sh.</P>
+
+<P>To run:</P>
+
+<DIV class="code panel" style="border-width: 1px;"><DIV class="codeContent panelContent">
+<PRE class="code-java">
+cd $MAHOUT_HOME/examples/bin
+./asf-email-examples.sh <PATH TO DIRECTORY CONTAINING EMAIL> <OUTPUT PATH>
+</PRE>
+</DIV></DIV>
+
+<P>The script will then prompt you to make a series of selections depending on which example you wish to run.</P>
+
+<H1><A name="ASFEmail-Background"></A>Background</H1>
+
+<P>This example was developed as part of an article written for IBM developerWorks on <A href="http://www.ibm.com/developerworks/java/library/j-mahout-scaling/" class="external-link" rel="nofollow">scaling Mahout</A>.</P>
+ </DIV>
+
+
+ </DIV>
+ </DIV>
+ <DIV class="footer">
+ Generated by
+ <A href="http://www.atlassian.com/confluence/">Atlassian Confluence</A> (Version: 3.4.9 Build: 2042 Feb 14, 2011)
+ <A href="http://could.it/autoexport/">Auto Export Plugin</A> (Version: 1.0.0-dkulp)
+ </DIV>
+<SCRIPT type="text/javascript">
+
+ var _gaq = _gaq || [];
+ _gaq.push(['_setAccount', 'UA-17359171-1']);
+ _gaq.push(['_setDomainName', 'none']);
+ _gaq.push(['_setAllowLinker', true]);
+ _gaq.push(['_trackPageview']);
+
+ (function() {
+ var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
+ ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
+ var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
+ })();
+
+</SCRIPT>
+ </BODY>
+</HTML>
\ No newline at end of file
Added: mahout/site/new_website/MAHOUT/bayesian-commandline.html
URL: http://svn.apache.org/viewvc/mahout/site/new_website/MAHOUT/bayesian-commandline.html?rev=1243022&view=auto
==============================================================================
--- mahout/site/new_website/MAHOUT/bayesian-commandline.html (added)
+++ mahout/site/new_website/MAHOUT/bayesian-commandline.html Sat Feb 11 10:22:15 2012
@@ -0,0 +1,171 @@
+
+<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
+<HTML>
+ <HEAD>
+ <LINK type="text/css" rel="stylesheet" href="resources/space.css">
+ <STYLE type="text/css">
+ .footer {
+ background-image: url('https://cwiki.apache.org/confluence/images/border/border_bottom.gif');
+ background-repeat: repeat-x;
+ background-position: left top;
+ padding-top: 4px;
+ color: #666;
+ }
+ </STYLE>
+ <SCRIPT type="text/javascript" language="javascript">
+ var hide = null;
+ var show = null;
+ var children = null;
+
+ function init() {
+ /* Search form initialization */
+ var form = document.forms['search'];
+ if (form != null) {
+ form.elements['domains'].value = location.hostname;
+ form.elements['sitesearch'].value = location.hostname;
+ }
+
+ /* Children initialization */
+ hide = document.getElementById('hide');
+ show = document.getElementById('show');
+ children = document.all != null ?
+ document.all['children'] :
+ document.getElementById('children');
+ if (children != null) {
+ children.style.display = 'none';
+ show.style.display = 'inline';
+ hide.style.display = 'none';
+ }
+ }
+
+ function showChildren() {
+ children.style.display = 'block';
+ show.style.display = 'none';
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+ #editReport()
+ </DIV>
+
+ <DIV class="pagecontent">
+ <DIV class="wiki-content">
+ <H1><A name="bayesian-commandline-Introduction"></A>Introduction</H1>
+
+<P>This quick start page describes how to run the naive bayesian and complementary naive bayesian classification algorithms on a Hadoop cluster.</P>
+
+<H1><A name="bayesian-commandline-Steps"></A>Steps</H1>
+
+<H2><A name="bayesian-commandline-Testingitononesinglemachinew%2Focluster"></A>Testing it on one single machine w/o cluster</H2>
+
+<P>In the examples directory type:</P>
+<DIV class="code panel" style="border-width: 1px;"><DIV class="codeContent panelContent">
+<PRE class="code-java">
+mvn -q exec:java -Dexec.mainClass=<SPAN class="code-quote">"org.apache.mahout.classifier.bayes.mapreduce.bayes.<JOB>"</SPAN> -Dexec.args=<SPAN class="code-quote">"<OPTIONS>"</SPAN>
+mvn -q exec:java -Dexec.mainClass=<SPAN class="code-quote">"org.apache.mahout.classifier.bayes.mapreduce.cbayes.<JOB>"</SPAN> -Dexec.args=<SPAN class="code-quote">"<OPTIONS>"</SPAN>
+</PRE>
+</DIV></DIV>
+
+<H2><A name="bayesian-commandline-Runningitonthecluster"></A>Running it on the cluster</H2>
+
+<UL>
+ <LI>In $MAHOUT_HOME/, build the jar containing the job (mvn install) The job will be generated in $MAHOUT_HOME/core/target/ and it's name will contain the Mahout version number. For example, when using Mahout 0.1 release, the job will be mahout-core-0.1.jar</LI>
+ <LI>(Optional) 1 Start up Hadoop: $HADOOP_HOME/bin/start-all.sh</LI>
+ <LI>Put the data: $HADOOP_HOME/bin/hadoop fs -put <PATH TO DATA> testdata</LI>
+ <LI>Run the Job: $HADOOP_HOME/bin/hadoop jar $MAHOUT_HOME/core/target/mahout-core-<MAHOUT VERSION>.job org.apache.mahout.classifier.bayes.mapreduce.bayes.BayesDriver <OPTIONS></LI>
+ <LI>Get the data out of HDFS and have a look. Use bin/hadoop fs -lsr output to view all outputs.</LI>
+</UL>
+
+
+<H1><A name="bayesian-commandline-Commandlineoptions"></A>Command line options</H1>
+<DIV class="code panel" style="border-width: 1px;"><DIV class="codeContent panelContent">
+<PRE class="code-java">
+BayesDriver, BayesThetaNormalizerDriver, CBayesNormalizedWeightDriver, CBayesDriver, CBayesThetaDriver, CBayesThetaNormalizerDriver, BayesWeightSummerDriver, BayesFeatureDriver, BayesTfIdfDriver Usage:
+ [--input <input> --output <output> --help]
+
+Options
+
+ --input (-i) input The Path <SPAN class="code-keyword">for</SPAN> input Vectors. Must be a SequenceFile of Writable, Vector.
+ --output (-o) output The directory pathname <SPAN class="code-keyword">for</SPAN> output points.
+ --help (-h) Print out help.
+</PRE>
+</DIV></DIV>
+ </DIV>
+
+
+ </DIV>
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+ <H1><A name="Bayesian-Intro"></A>Intro</H1>
+
+<P>Mahout currently has two implementations of Bayesian classifiers. One is the traditional Naive Bayes approach, and the other is called Complementary Naive Bayes.</P>
+
+<H1><A name="Bayesian-Implementations"></A>Implementations</H1>
+
+<P><A href="naivebayes.html" title="NaiveBayes">NaiveBayes</A> (<A href="http://issues.apache.org/jira/browse/MAHOUT-9" class="external-link" rel="nofollow">MAHOUT-9</A>)</P>
+
+<P><A href="complementary-naive-bayes.html" title="Complementary Naive Bayes">Complementary Naive Bayes</A> (<A href="http://issues.apache.org/jira/browse/MAHOUT-60" class="external-link" rel="nofollow">MAHOUT-60</A>)</P>
+
+<P>The Naive Bayes implementations in Mahout follow the paper <A href="http://people.csail.mit.edu/jrennie/papers/icml03-nb.pdf" class="external-link" rel="nofollow">http://people.csail.mit.edu/jrennie/papers/icml03-nb.pdf</A> Before we get to the actual algorithm lets discuss the terminology</P>
+
+<P>Given, in an input set of classified documents: </P>
+<OL>
+ <LI>j = 0 to N features</LI>
+ <LI>k = 0 to L labels</LI>
+</OL>
+
+
+<P>Then:</P>
+
+<OL>
+ <LI>Normalized Frequency for a term(feature) in a document is calculated by dividing the term frequency by the root mean square of terms frequencies in that document</LI>
+ <LI>Weight Normalized Tf for a given feature in a given label = sum of Normalized Frequency of the feature across all the documents in the label.</LI>
+ <LI>Weight Normalized Tf-Idf for a given feature in a label is the Tf-idf calculated using standard idf multiplied by the Weight Normalized Tf</LI>
+</OL>
+
+
+<P>Once Weight Normalized Tf-idf(W-N-Tf-idf) is calculated, the final weight matrix for Bayes and Cbayes are calculated as follows</P>
+
+<P>We calculate the sum of W-N-Tf-idf for all the features in a label called as Sigma_k or sumLabelWeight</P>
+
+<P>For Bayes</P>
+<DIV class="preformatted panel" style="border-width: 1px;"><DIV class="preformattedContent panelContent">
+<PRE>Weight = Log [ ( W-N-Tf-Idf + alpha_i ) / ( Sigma_k + N ) ]
+</PRE>
+</DIV></DIV>
+<P>For CBayes</P>
+
+<P>We calculate the Sum of W-N-Tf-Idf across all labels for a given feature. We call this sumFeatureWeight of Sigma_j<BR>
+Also we sum the entire W-N-Tf-Idf weights for all feature,label pair in the train set. Call this Sigma_jSigma_k</P>
+
+<P>Final Weight is calculated as</P>
+<DIV class="preformatted panel" style="border-width: 1px;"><DIV class="preformattedContent panelContent">
+<PRE>Weight = Log [ ( Sigma_j - W-N-Tf-Idf + alpha_i ) / ( Sigma_jSigma_k - Sigma_k + N ) ]
+</PRE>
+</DIV></DIV>
+
+<H1><A name="Bayesian-Examples"></A>Examples</H1>
+
+<P>In Mahout's example code, there are two samples that can be used:</P>
+
+<OL>
+ <LI><A href="wikipedia-bayes-example.html" title="Wikipedia Bayes Example">Wikipedia Bayes Example</A> - Classify Wikipedia data.</LI>
+</OL>
+
+
+<OL>
+ <LI><A href="twenty-newsgroups.html" title="Twenty Newsgroups">Twenty Newsgroups</A> - Classify the classic Twenty Newsgroups data.</LI>
+</OL>
+
+ </DIV>
+
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+ <A href="naivebayes.html" title="NaiveBayes">NaiveBayes</A>
+ <SPAN class="smalltext">(Apache Mahout)</SPAN>
+ <BR>
+ <A href="complementary-naive-bayes.html" title="Complementary Naive Bayes">Complementary Naive Bayes</A>
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