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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc (build 1.5.0_13) on Mon Jul 14 01:36:35 CEST 2008 --><TITLE>Criterion (RapidMiner Class Documentation)</TITLE><META NAME="keywords" CONTENT="com.rapidminer.operator.learner.tree.Criterion interface"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="Criterion (RapidMiner Class Documentation)";}</SCRIPT><NOSCRIPT></NOSCRIPT></HEAD><BODY BGCOLOR="white" onload="windowTitle();"><!-- ========= START OF TOP NAVBAR ======= --><A NAME="navbar_top"><!-- --></A><A HREF="#skip-navbar_top" title="Skip navigation links"></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="class-use/Criterion.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../../com/rapidminer/operator/learner/tree/CHAIDLearner.html" title="class in com.rapidminer.operator.learner.tree"><B>PREV CLASS</B></A> <A HREF="../../../../../com/rapidminer/operator/learner/tree/DecisionStumpLearner.html" title="class in com.rapidminer.operator.learner.tree"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../../index.html?com/rapidminer/operator/learner/tree/Criterion.html" target="_top"><B>FRAMES</B></A> <A HREF="Criterion.html" target="_top"><B>NO FRAMES</B></A> <SCRIPT type="text/javascript"> <!-- if(window==top) { document.writeln('<A HREF="../../../../../allclasses-noframe.html"><B>All Classes</B></A>'); } //--></SCRIPT><NOSCRIPT> <A HREF="../../../../../allclasses-noframe.html"><B>All Classes</B></A></NOSCRIPT></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: NESTED | FIELD | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | CONSTR | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><A NAME="skip-navbar_top"></A><!-- ========= END OF TOP NAVBAR ========= --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">com.rapidminer.operator.learner.tree</FONT><BR>Interface Criterion</H2><DL><DT><B>All Known Implementing Classes:</B> <DD><A HREF="../../../../../com/rapidminer/operator/learner/tree/AbstractCriterion.html" title="class in com.rapidminer.operator.learner.tree">AbstractCriterion</A>, <A HREF="../../../../../com/rapidminer/operator/learner/tree/AccuracyCriterion.html" title="class in com.rapidminer.operator.learner.tree">AccuracyCriterion</A>, <A HREF="../../../../../com/rapidminer/operator/learner/tree/GainRatioCriterion.html" title="class in com.rapidminer.operator.learner.tree">GainRatioCriterion</A>, <A HREF="../../../../../com/rapidminer/operator/learner/tree/GiniIndexCriterion.html" title="class in com.rapidminer.operator.learner.tree">GiniIndexCriterion</A>, <A HREF="../../../../../com/rapidminer/operator/learner/tree/InfoGainCriterion.html" title="class in com.rapidminer.operator.learner.tree">InfoGainCriterion</A></DD></DL><HR><DL><DT><PRE>public interface <B>Criterion</B></DL></PRE><P>The criterion for a splitted example set. Possible implementations are for example accuracy or information gain.<P><P><DL><DT><B>Version:</B></DT> <DD>$Id: Criterion.java,v 1.5 2008/05/09 19:22:52 ingomierswa Exp $</DD><DT><B>Author:</B></DT> <DD>Sebastian Land, Ingo Mierswa</DD></DL><HR><P><!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2"><B>Method Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> double</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../com/rapidminer/operator/learner/tree/Criterion.html#getBenefit(com.rapidminer.example.set.SplittedExampleSet)">getBenefit</A></B>(<A HREF="../../../../../com/rapidminer/example/set/SplittedExampleSet.html" title="class in com.rapidminer.example.set">SplittedExampleSet</A> exampleSet)</CODE><BR> </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> double</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../com/rapidminer/operator/learner/tree/Criterion.html#getIncrementalBenefit()">getIncrementalBenefit</A></B>()</CODE><BR> </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../com/rapidminer/operator/learner/tree/Criterion.html#startIncrementalCalculation(com.rapidminer.example.ExampleSet)">startIncrementalCalculation</A></B>(<A HREF="../../../../../com/rapidminer/example/ExampleSet.html" title="interface in com.rapidminer.example">ExampleSet</A> exampleSet)</CODE><BR> </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../com/rapidminer/operator/learner/tree/Criterion.html#supportsIncrementalCalculation()">supportsIncrementalCalculation</A></B>()</CODE><BR> </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../com/rapidminer/operator/learner/tree/Criterion.html#swapExample(com.rapidminer.example.Example)">swapExample</A></B>(<A HREF="../../../../../com/rapidminer/example/Example.html" title="class in com.rapidminer.example">Example</A> example)</CODE><BR> </TD></TR></TABLE> <P><!-- ============ METHOD DETAIL ========== --><A NAME="method_detail"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"><B>Method Detail</B></FONT></TH></TR></TABLE><A NAME="getBenefit(com.rapidminer.example.set.SplittedExampleSet)"><!-- --></A><H3>getBenefit</H3><PRE>double <B>getBenefit</B>(<A HREF="../../../../../com/rapidminer/example/set/SplittedExampleSet.html" title="class in com.rapidminer.example.set">SplittedExampleSet</A> exampleSet)</PRE><DL><DD><DL></DL></DD></DL><HR><A NAME="supportsIncrementalCalculation()"><!-- --></A><H3>supportsIncrementalCalculation</H3><PRE>boolean <B>supportsIncrementalCalculation</B>()</PRE><DL><DD><DL></DL></DD></DL><HR><A NAME="startIncrementalCalculation(com.rapidminer.example.ExampleSet)"><!-- --></A><H3>startIncrementalCalculation</H3><PRE>void <B>startIncrementalCalculation</B>(<A HREF="../../../../../com/rapidminer/example/ExampleSet.html" title="interface in com.rapidminer.example">ExampleSet</A> exampleSet)</PRE><DL><DD><DL></DL></DD></DL><HR><A NAME="swapExample(com.rapidminer.example.Example)"><!-- --></A><H3>swapExample</H3><PRE>void <B>swapExample</B>(<A HREF="../../../../../com/rapidminer/example/Example.html" title="class in com.rapidminer.example">Example</A> example)</PRE><DL><DD><DL></DL></DD></DL><HR><A NAME="getIncrementalBenefit()"><!-- --></A><H3>getIncrementalBenefit</H3><PRE>double <B>getIncrementalBenefit</B>()</PRE><DL><DD><DL></DL></DD></DL><!-- ========= END OF CLASS DATA ========= --><HR><!-- ======= START OF BOTTOM NAVBAR ====== --><A NAME="navbar_bottom"><!-- --></A><A HREF="#skip-navbar_bottom" title="Skip navigation links"></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0" SUMMARY=""><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_bottom_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> <TR ALIGN="center" VALIGN="top"> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../overview-summary.html"><FONT CLASS="NavBarFont1"><B>Overview</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A> </TD> <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="class-use/Criterion.html"><FONT CLASS="NavBarFont1"><B>Use</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="../../../../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM><a href="http://sourceforge.net"><img src="http://sourceforge.net/sflogo.php?group_id=114160&type=2" width="125" height="37" border="0" alt="SourceForge.net Logo" /></a></EM></TD></TR><TR><TD 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