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author | Patrick Wendell <pwendell@apache.org> | 2015-04-17 05:52:53 +0000 |
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committer | Patrick Wendell <pwendell@apache.org> | 2015-04-17 05:52:53 +0000 |
commit | d49935af658ee525496c7ac598f7352c7793d6f8 (patch) | |
tree | 1813e84df9974a07d595ba24f0fe0e832f182f05 /site/docs/1.3.1/mllib-migration-guides.html | |
parent | 9695c4519404b689f29bc0fbc1a2eefa3eb33806 (diff) | |
download | spark-website-d49935af658ee525496c7ac598f7352c7793d6f8.tar.gz spark-website-d49935af658ee525496c7ac598f7352c7793d6f8.tar.bz2 spark-website-d49935af658ee525496c7ac598f7352c7793d6f8.zip |
Adding docs for 1.2.2 and 1.3.1
Diffstat (limited to 'site/docs/1.3.1/mllib-migration-guides.html')
-rw-r--r-- | site/docs/1.3.1/mllib-migration-guides.html | 236 |
1 files changed, 236 insertions, 0 deletions
diff --git a/site/docs/1.3.1/mllib-migration-guides.html b/site/docs/1.3.1/mllib-migration-guides.html new file mode 100644 index 000000000..b15c0ea49 --- /dev/null +++ b/site/docs/1.3.1/mllib-migration-guides.html @@ -0,0 +1,236 @@ +<!DOCTYPE html> +<!--[if lt IE 7]> <html class="no-js lt-ie9 lt-ie8 lt-ie7"> <![endif]--> +<!--[if IE 7]> <html class="no-js lt-ie9 lt-ie8"> <![endif]--> +<!--[if IE 8]> <html class="no-js lt-ie9"> <![endif]--> +<!--[if gt IE 8]><!--> <html class="no-js"> <!--<![endif]--> + <head> + <meta charset="utf-8"> + <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1"> + <title>Old Migration Guides - MLlib - Spark 1.3.1 Documentation</title> + + <meta name="description" content="MLlib migration guides from before Spark 1.3.1"> + + + + + <link rel="stylesheet" href="css/bootstrap.min.css"> + <style> + body { + padding-top: 60px; + padding-bottom: 40px; + } + </style> + <meta name="viewport" content="width=device-width"> + <link rel="stylesheet" href="css/bootstrap-responsive.min.css"> + <link rel="stylesheet" href="css/main.css"> + + <script src="js/vendor/modernizr-2.6.1-respond-1.1.0.min.js"></script> + + <link rel="stylesheet" href="css/pygments-default.css"> + + + <!-- Google analytics script --> + <script type="text/javascript"> + var _gaq = _gaq || []; + _gaq.push(['_setAccount', 'UA-32518208-2']); + _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> + + + </head> + <body> + <!--[if lt IE 7]> + <p class="chromeframe">You are using an outdated browser. <a href="http://browsehappy.com/">Upgrade your browser today</a> or <a href="http://www.google.com/chromeframe/?redirect=true">install Google Chrome Frame</a> to better experience this site.</p> + <![endif]--> + + <!-- This code is taken from http://twitter.github.com/bootstrap/examples/hero.html --> + + <div class="navbar navbar-fixed-top" id="topbar"> + <div class="navbar-inner"> + <div class="container"> + <div class="brand"><a href="index.html"> + <img src="img/spark-logo-hd.png" style="height:50px;"/></a><span class="version">1.3.1</span> + </div> + <ul class="nav"> + <!--TODO(andyk): Add class="active" attribute to li some how.--> + <li><a href="index.html">Overview</a></li> + + <li class="dropdown"> + <a href="#" class="dropdown-toggle" data-toggle="dropdown">Programming Guides<b class="caret"></b></a> + <ul class="dropdown-menu"> + <li><a href="quick-start.html">Quick Start</a></li> + <li><a href="programming-guide.html">Spark Programming Guide</a></li> + <li class="divider"></li> + <li><a href="streaming-programming-guide.html">Spark Streaming</a></li> + <li><a href="sql-programming-guide.html">DataFrames and SQL</a></li> + <li><a href="mllib-guide.html">MLlib (Machine Learning)</a></li> + <li><a href="graphx-programming-guide.html">GraphX (Graph Processing)</a></li> + <li><a href="bagel-programming-guide.html">Bagel (Pregel on Spark)</a></li> + </ul> + </li> + + <li class="dropdown"> + <a href="#" class="dropdown-toggle" data-toggle="dropdown">API Docs<b class="caret"></b></a> + <ul class="dropdown-menu"> + <li><a href="api/scala/index.html#org.apache.spark.package">Scala</a></li> + <li><a href="api/java/index.html">Java</a></li> + <li><a href="api/python/index.html">Python</a></li> + </ul> + </li> + + <li class="dropdown"> + <a href="#" class="dropdown-toggle" data-toggle="dropdown">Deploying<b class="caret"></b></a> + <ul class="dropdown-menu"> + <li><a href="cluster-overview.html">Overview</a></li> + <li><a href="submitting-applications.html">Submitting Applications</a></li> + <li class="divider"></li> + <li><a href="spark-standalone.html">Spark Standalone</a></li> + <li><a href="running-on-mesos.html">Mesos</a></li> + <li><a href="running-on-yarn.html">YARN</a></li> + <li class="divider"></li> + <li><a href="ec2-scripts.html">Amazon EC2</a></li> + </ul> + </li> + + <li class="dropdown"> + <a href="api.html" class="dropdown-toggle" data-toggle="dropdown">More<b class="caret"></b></a> + <ul class="dropdown-menu"> + <li><a href="configuration.html">Configuration</a></li> + <li><a href="monitoring.html">Monitoring</a></li> + <li><a href="tuning.html">Tuning Guide</a></li> + <li><a href="job-scheduling.html">Job Scheduling</a></li> + <li><a href="security.html">Security</a></li> + <li><a href="hardware-provisioning.html">Hardware Provisioning</a></li> + <li><a href="hadoop-third-party-distributions.html">3<sup>rd</sup>-Party Hadoop Distros</a></li> + <li class="divider"></li> + <li><a href="building-spark.html">Building Spark</a></li> + <li><a href="https://cwiki.apache.org/confluence/display/SPARK/Contributing+to+Spark">Contributing to Spark</a></li> + <li><a href="https://cwiki.apache.org/confluence/display/SPARK/Supplemental+Spark+Projects">Supplemental Projects</a></li> + </ul> + </li> + </ul> + <!--<p class="navbar-text pull-right"><span class="version-text">v1.3.1</span></p>--> + </div> + </div> + </div> + + <div class="container" id="content"> + + <h1 class="title"><a href="mllib-guide.html">MLlib</a> - Old Migration Guides</h1> + + + <p>The migration guide for the current Spark version is kept on the <a href="mllib-guide.html#migration-guide">MLlib Programming Guide main page</a>.</p> + +<h2 id="from-11-to-12">From 1.1 to 1.2</h2> + +<p>The only API changes in MLlib v1.2 are in +<a href="api/scala/index.html#org.apache.spark.mllib.tree.DecisionTree"><code>DecisionTree</code></a>, +which continues to be an experimental API in MLlib 1.2:</p> + +<ol> + <li> + <p><em>(Breaking change)</em> The Scala API for classification takes a named argument specifying the number +of classes. In MLlib v1.1, this argument was called <code>numClasses</code> in Python and +<code>numClassesForClassification</code> in Scala. In MLlib v1.2, the names are both set to <code>numClasses</code>. +This <code>numClasses</code> parameter is specified either via +<a href="api/scala/index.html#org.apache.spark.mllib.tree.configuration.Strategy"><code>Strategy</code></a> +or via <a href="api/scala/index.html#org.apache.spark.mllib.tree.DecisionTree"><code>DecisionTree</code></a> +static <code>trainClassifier</code> and <code>trainRegressor</code> methods.</p> + </li> + <li> + <p><em>(Breaking change)</em> The API for +<a href="api/scala/index.html#org.apache.spark.mllib.tree.model.Node"><code>Node</code></a> has changed. +This should generally not affect user code, unless the user manually constructs decision trees +(instead of using the <code>trainClassifier</code> or <code>trainRegressor</code> methods). +The tree <code>Node</code> now includes more information, including the probability of the predicted label +(for classification).</p> + </li> + <li> + <p>Printing methods’ output has changed. The <code>toString</code> (Scala/Java) and <code>__repr__</code> (Python) methods used to print the full model; they now print a summary. For the full model, use <code>toDebugString</code>.</p> + </li> +</ol> + +<p>Examples in the Spark distribution and examples in the +<a href="mllib-decision-tree.html#examples">Decision Trees Guide</a> have been updated accordingly.</p> + +<h2 id="from-10-to-11">From 1.0 to 1.1</h2> + +<p>The only API changes in MLlib v1.1 are in +<a href="api/scala/index.html#org.apache.spark.mllib.tree.DecisionTree"><code>DecisionTree</code></a>, +which continues to be an experimental API in MLlib 1.1:</p> + +<ol> + <li> + <p><em>(Breaking change)</em> The meaning of tree depth has been changed by 1 in order to match +the implementations of trees in +<a href="http://scikit-learn.org/stable/modules/classes.html#module-sklearn.tree">scikit-learn</a> +and in <a href="http://cran.r-project.org/web/packages/rpart/index.html">rpart</a>. +In MLlib v1.0, a depth-1 tree had 1 leaf node, and a depth-2 tree had 1 root node and 2 leaf nodes. +In MLlib v1.1, a depth-0 tree has 1 leaf node, and a depth-1 tree has 1 root node and 2 leaf nodes. +This depth is specified by the <code>maxDepth</code> parameter in +<a href="api/scala/index.html#org.apache.spark.mllib.tree.configuration.Strategy"><code>Strategy</code></a> +or via <a href="api/scala/index.html#org.apache.spark.mllib.tree.DecisionTree"><code>DecisionTree</code></a> +static <code>trainClassifier</code> and <code>trainRegressor</code> methods.</p> + </li> + <li> + <p><em>(Non-breaking change)</em> We recommend using the newly added <code>trainClassifier</code> and <code>trainRegressor</code> +methods to build a <a href="api/scala/index.html#org.apache.spark.mllib.tree.DecisionTree"><code>DecisionTree</code></a>, +rather than using the old parameter class <code>Strategy</code>. These new training methods explicitly +separate classification and regression, and they replace specialized parameter types with +simple <code>String</code> types.</p> + </li> +</ol> + +<p>Examples of the new, recommended <code>trainClassifier</code> and <code>trainRegressor</code> are given in the +<a href="mllib-decision-tree.html#examples">Decision Trees Guide</a>.</p> + +<h2 id="from-09-to-10">From 0.9 to 1.0</h2> + +<p>In MLlib v1.0, we support both dense and sparse input in a unified way, which introduces a few +breaking changes. If your data is sparse, please store it in a sparse format instead of dense to +take advantage of sparsity in both storage and computation. Details are described below.</p> + + + + </div> <!-- /container --> + + <script src="js/vendor/jquery-1.8.0.min.js"></script> + <script src="js/vendor/bootstrap.min.js"></script> + <script src="js/main.js"></script> + + <!-- MathJax Section --> + <script type="text/x-mathjax-config"> + MathJax.Hub.Config({ + TeX: { equationNumbers: { autoNumber: "AMS" } } + }); + </script> + <script> + // Note that we load MathJax this way to work with local file (file://), HTTP and HTTPS. + // We could use "//cdn.mathjax...", but that won't support "file://". + (function(d, script) { + script = d.createElement('script'); + script.type = 'text/javascript'; + script.async = true; + script.onload = function(){ + MathJax.Hub.Config({ + tex2jax: { + inlineMath: [ ["$", "$"], ["\\\\(","\\\\)"] ], + displayMath: [ ["$$","$$"], ["\\[", "\\]"] ], + processEscapes: true, + skipTags: ['script', 'noscript', 'style', 'textarea', 'pre'] + } + }); + }; + script.src = ('https:' == document.location.protocol ? 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