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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 1.4.2_05) on Mon Mar 07 15:27:40 NZDT 2005 --><TITLE>BinC45Split</TITLE><META NAME="keywords" CONTENT="weka.classifiers.trees.j48.BinC45Split class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="BinC45Split";}</SCRIPT></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=3 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" 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Classes</B></A></NOSCRIPT></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: NESTED | FIELD | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | <A HREF="#constructor_detail">CONSTR</A> | <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">weka.classifiers.trees.j48</FONT><BR>Class BinC45Split</H2><PRE>java.lang.Object <IMG SRC="../../../../resources/inherit.gif" ALT="extended by"><A HREF="../../../../weka/classifiers/trees/j48/ClassifierSplitModel.html" title="class in weka.classifiers.trees.j48">weka.classifiers.trees.j48.ClassifierSplitModel</A> <IMG SRC="../../../../resources/inherit.gif" ALT="extended by"><B>weka.classifiers.trees.j48.BinC45Split</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD>java.lang.Cloneable, java.io.Serializable</DD></DL><HR><DL><DT>public class <B>BinC45Split</B><DT>extends <A HREF="../../../../weka/classifiers/trees/j48/ClassifierSplitModel.html" title="class in weka.classifiers.trees.j48">ClassifierSplitModel</A></DL><P>Class implementing a binary C4.5-like split on an attribute.<P><P><DL><DT><B>Version:</B></DT> <DD>$Revision: 1.9 $</DD><DT><B>Author:</B></DT> <DD>Eibe Frank (eibe@cs.waikato.ac.nz)</DD><DT><B>See Also:</B><DD><A HREF="../../../../serialized-form.html#weka.classifiers.trees.j48.BinC45Split">Serialized Form</A></DL><HR><P><!-- ======== NESTED CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><!-- ======== CONSTRUCTOR SUMMARY ======== --><A NAME="constructor_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Constructor Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../../weka/classifiers/trees/j48/BinC45Split.html#BinC45Split(int, int, double)">BinC45Split</A></B>(int attIndex, int minNoObj, double sumOfWeights)</CODE><BR> Initializes the split model.</TD></TR></TABLE> <!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Method Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../weka/classifiers/trees/j48/BinC45Split.html#attIndex()">attIndex</A></B>()</CODE><BR> Returns index of attribute for which split was generated.</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="../../../../weka/classifiers/trees/j48/BinC45Split.html#buildClassifier(weka.core.Instances)">buildClassifier</A></B>(<A HREF="../../../../weka/core/Instances.html" title="class in weka.core">Instances</A> trainInstances)</CODE><BR> Creates a C4.5-type split on the given data.</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="../../../../weka/classifiers/trees/j48/BinC45Split.html#classProb(int, weka.core.Instance, int)">classProb</A></B>(int classIndex, <A HREF="../../../../weka/core/Instance.html" title="class in weka.core">Instance</A> instance, int theSubset)</CODE><BR> Gets class probability for instance.</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="../../../../weka/classifiers/trees/j48/BinC45Split.html#gainRatio()">gainRatio</A></B>()</CODE><BR> Returns (C4.5-type) gain ratio for the generated split.</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="../../../../weka/classifiers/trees/j48/BinC45Split.html#infoGain()">infoGain</A></B>()</CODE><BR> Returns (C4.5-type) information gain for the generated split.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../weka/classifiers/trees/j48/BinC45Split.html#leftSide(weka.core.Instances)">leftSide</A></B>(<A HREF="../../../../weka/core/Instances.html" title="class in weka.core">Instances</A> data)</CODE><BR> Prints left side of condition..</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="../../../../weka/classifiers/trees/j48/BinC45Split.html#resetDistribution(weka.core.Instances)">resetDistribution</A></B>(<A HREF="../../../../weka/core/Instances.html" title="class in weka.core">Instances</A> data)</CODE><BR> Sets distribution associated with model.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../weka/classifiers/trees/j48/BinC45Split.html#rightSide(int, weka.core.Instances)">rightSide</A></B>(int index, <A HREF="../../../../weka/core/Instances.html" title="class in weka.core">Instances</A> data)</CODE><BR> Prints the condition satisfied by instances in a subset.</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="../../../../weka/classifiers/trees/j48/BinC45Split.html#setSplitPoint(weka.core.Instances)">setSplitPoint</A></B>(<A HREF="../../../../weka/core/Instances.html" title="class in weka.core">Instances</A> allInstances)</CODE><BR> Sets split point to greatest value in given data smaller or equal to old split point.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../weka/classifiers/trees/j48/BinC45Split.html#sourceExpression(int, weka.core.Instances)">sourceExpression</A></B>(int index, <A HREF="../../../../weka/core/Instances.html" title="class in weka.core">Instances</A> data)</CODE><BR> Returns a string containing java source code equivalent to the test made at this node.</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="../../../../weka/classifiers/trees/j48/BinC45Split.html#weights(weka.core.Instance)">weights</A></B>(<A HREF="../../../../weka/core/Instance.html" title="class in weka.core">Instance</A> instance)</CODE><BR> Returns weights if instance is assigned to more than one subset.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../weka/classifiers/trees/j48/BinC45Split.html#whichSubset(weka.core.Instance)">whichSubset</A></B>(<A HREF="../../../../weka/core/Instance.html" title="class in weka.core">Instance</A> instance)</CODE><BR> Returns index of subset instance is assigned to.</TD></TR></TABLE> <A NAME="methods_inherited_from_class_weka.classifiers.trees.j48.ClassifierSplitModel"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Methods inherited from class weka.classifiers.trees.j48.<A HREF="../../../../weka/classifiers/trees/j48/ClassifierSplitModel.html" title="class in weka.classifiers.trees.j48">ClassifierSplitModel</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../../weka/classifiers/trees/j48/ClassifierSplitModel.html#checkModel()">checkModel</A>, <A HREF="../../../../weka/classifiers/trees/j48/ClassifierSplitModel.html#classifyInstance(weka.core.Instance)">classifyInstance</A>, <A HREF="../../../../weka/classifiers/trees/j48/ClassifierSplitModel.html#classProbLaplace(int, weka.core.Instance, int)">classProbLaplace</A>, <A HREF="../../../../weka/classifiers/trees/j48/ClassifierSplitModel.html#clone()">clone</A>, <A HREF="../../../../weka/classifiers/trees/j48/ClassifierSplitModel.html#codingCost()">codingCost</A>, <A HREF="../../../../weka/classifiers/trees/j48/ClassifierSplitModel.html#distribution()">distribution</A>, <A HREF="../../../../weka/classifiers/trees/j48/ClassifierSplitModel.html#dumpLabel(int, weka.core.Instances)">dumpLabel</A>, <A HREF="../../../../weka/classifiers/trees/j48/ClassifierSplitModel.html#dumpModel(weka.core.Instances)">dumpModel</A>, <A HREF="../../../../weka/classifiers/trees/j48/ClassifierSplitModel.html#numSubsets()">numSubsets</A>, <A HREF="../../../../weka/classifiers/trees/j48/ClassifierSplitModel.html#sourceClass(int, weka.core.Instances)">sourceClass</A>, <A HREF="../../../../weka/classifiers/trees/j48/ClassifierSplitModel.html#split(weka.core.Instances)">split</A></CODE></TD></TR></TABLE> <A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Methods inherited from class java.lang.Object</B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE>equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD></TR></TABLE> <P><!-- ============ FIELD DETAIL =========== --><!-- ========= CONSTRUCTOR DETAIL ======== --><A NAME="constructor_detail"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=1><FONT SIZE="+2"><B>Constructor Detail</B></FONT></TD></TR></TABLE><A NAME="BinC45Split(int, int, double)"><!-- --></A><H3>BinC45Split</H3>⌨️ 快捷键说明
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