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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 15:27:41 NZDT 2005 --><TITLE>ClassifierTree</TITLE><META NAME="keywords" CONTENT="weka.classifiers.trees.j48.ClassifierTree class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="ClassifierTree";}</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 ClassifierTree</H2><PRE>java.lang.Object <IMG SRC="../../../../resources/inherit.gif" ALT="extended by"><B>weka.classifiers.trees.j48.ClassifierTree</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../../../weka/core/Drawable.html" title="interface in weka.core">Drawable</A>, java.io.Serializable</DD></DL><DL><DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../../../weka/classifiers/trees/j48/C45PruneableClassifierTree.html" title="class in weka.classifiers.trees.j48">C45PruneableClassifierTree</A>, <A HREF="../../../../weka/classifiers/trees/j48/NBTreeClassifierTree.html" title="class in weka.classifiers.trees.j48">NBTreeClassifierTree</A>, <A HREF="../../../../weka/classifiers/trees/j48/PruneableClassifierTree.html" title="class in weka.classifiers.trees.j48">PruneableClassifierTree</A></DD></DL><HR><DL><DT>public class <B>ClassifierTree</B><DT>extends java.lang.Object<DT>implements <A HREF="../../../../weka/core/Drawable.html" title="interface in weka.core">Drawable</A>, java.io.Serializable</DL><P>Class for handling a tree structure used for classification.<P><P><DL><DT><B>Version:</B></DT> <DD>$Revision: 1.17 $</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.ClassifierTree">Serialized Form</A></DL><HR><P><!-- ======== NESTED CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><A NAME="field_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Field Summary</B></FONT></TD></TR></TABLE> <A NAME="fields_inherited_from_class_weka.core.Drawable"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Fields inherited from interface weka.core.<A HREF="../../../../weka/core/Drawable.html" title="interface in weka.core">Drawable</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../../weka/core/Drawable.html#BayesNet">BayesNet</A>, <A HREF="../../../../weka/core/Drawable.html#NOT_DRAWABLE">NOT_DRAWABLE</A>, <A HREF="../../../../weka/core/Drawable.html#TREE">TREE</A></CODE></TD></TR></TABLE> <!-- ======== 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/ClassifierTree.html#ClassifierTree(weka.classifiers.trees.j48.ModelSelection)">ClassifierTree</A></B>(<A HREF="../../../../weka/classifiers/trees/j48/ModelSelection.html" title="class in weka.classifiers.trees.j48">ModelSelection</A> toSelectLocModel)</CODE><BR> Constructor.</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/ClassifierTree.html#assignIDs(int)">assignIDs</A></B>(int lastID)</CODE><BR> Assigns a uniqe id to every node in the tree.</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/ClassifierTree.html#buildClassifier(weka.core.Instances)">buildClassifier</A></B>(<A HREF="../../../../weka/core/Instances.html" title="class in weka.core">Instances</A> data)</CODE><BR> Method for building a classifier tree.</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/ClassifierTree.html#buildTree(weka.core.Instances, boolean)">buildTree</A></B>(<A HREF="../../../../weka/core/Instances.html" title="class in weka.core">Instances</A> data, boolean keepData)</CODE><BR> Builds the tree structure.</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/ClassifierTree.html#buildTree(weka.core.Instances, weka.core.Instances, boolean)">buildTree</A></B>(<A HREF="../../../../weka/core/Instances.html" title="class in weka.core">Instances</A> train, <A HREF="../../../../weka/core/Instances.html" title="class in weka.core">Instances</A> test, boolean keepData)</CODE><BR> Builds the tree structure with hold out set</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/ClassifierTree.html#classifyInstance(weka.core.Instance)">classifyInstance</A></B>(<A HREF="../../../../weka/core/Instance.html" title="class in weka.core">Instance</A> instance)</CODE><BR> Classifies an instance.</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/ClassifierTree.html#cleanup(weka.core.Instances)">cleanup</A></B>(<A HREF="../../../../weka/core/Instances.html" title="class in weka.core">Instances</A> justHeaderInfo)</CODE><BR> Cleanup in order to save memory.</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/ClassifierTree.html#distributionForInstance(weka.core.Instance, boolean)">distributionForInstance</A></B>(<A HREF="../../../../weka/core/Instance.html" title="class in weka.core">Instance</A> instance, boolean useLaplace)</CODE><BR> Returns class probabilities for a weighted instance.</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/ClassifierTree.html#graph()">graph</A></B>()</CODE><BR> Returns graph describing the tree.</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/ClassifierTree.html#graphType()">graphType</A></B>()</CODE><BR> Returns the type of graph this classifier represents.</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/ClassifierTree.html#numLeaves()">numLeaves</A></B>()</CODE><BR> Returns number of leaves in tree structure.</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/ClassifierTree.html#numNodes()">numNodes</A></B>()</CODE><BR> Returns number of nodes in tree structure.</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/ClassifierTree.html#prefix()">prefix</A></B>()</CODE><BR> Returns tree in prefix order.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.StringBuffer[]</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../weka/classifiers/trees/j48/ClassifierTree.html#toSource(java.lang.String)">toSource</A></B>(java.lang.String className)</CODE><BR> Returns source code for the tree as an if-then statement.</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/ClassifierTree.html#toString()">toString</A></B>()</CODE><BR> Prints tree structure.</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, 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="ClassifierTree(weka.classifiers.trees.j48.ModelSelection)"><!-- --></A><H3>ClassifierTree</H3><PRE>public <B>ClassifierTree</B>(<A HREF="../../../../weka/classifiers/trees/j48/ModelSelection.html" title="class in weka.classifiers.trees.j48">ModelSelection</A> toSelectLocModel)</PRE><DL><DD>Constructor.<P></DL><!-- ============ METHOD DETAIL ========== --><A NAME="method_detail"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=1><FONT SIZE="+2"><B>Method Detail</B></FONT></TD></TR></TABLE><A NAME="buildClassifier(weka.core.Instances)"><!-- --></A><H3>⌨️ 快捷键说明
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