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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Frameset//EN""http://www.w3.org/TR/REC-html40/frameset.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc on Wed Sep 04 10:31:49 CDT 2002 --><TITLE>: Class C45PruneableClassifierTree</TITLE><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style"></HEAD><BODY BGCOLOR="white"><!-- ========== START OF NAVBAR ========== --><A NAME="navbar_top"><!-- --></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0"><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3"> <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"> 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TARGET="_top"><B>FRAMES</B></A> <A HREF="C45PruneableClassifierTree.html" TARGET="_top"><B>NO FRAMES</B></A></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: INNER | <A HREF="#fields_inherited_from_class_weka.classifiers.j48.ClassifierTree">FIELD</A> | <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><!-- =========== END OF NAVBAR =========== --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">weka.classifiers.j48</FONT><BR>Class C45PruneableClassifierTree</H2><PRE>java.lang.Object | +--<A HREF="../../../weka/classifiers/j48/ClassifierTree.html">weka.classifiers.j48.ClassifierTree</A> | +--<B>weka.classifiers.j48.C45PruneableClassifierTree</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../../weka/core/Drawable.html">Drawable</A>, java.io.Serializable</DD></DL><HR><DL><DT>public class <B>C45PruneableClassifierTree</B><DT>extends <A HREF="../../../weka/classifiers/j48/ClassifierTree.html">ClassifierTree</A></DL><P>Class for handling a tree structure that can be pruned using C4.5 procedures.<P><DL><DT><B>See Also: </B><DD><A HREF="../../../serialized-form.html#weka.classifiers.j48.C45PruneableClassifierTree">Serialized Form</A></DL><HR><P><!-- ======== INNER CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><A NAME="fields_inherited_from_class_weka.classifiers.j48.ClassifierTree"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Fields inherited from class weka.classifiers.j48.<A HREF="../../../weka/classifiers/j48/ClassifierTree.html">ClassifierTree</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../weka/classifiers/j48/ClassifierTree.html#m_id">m_id</A>, <A HREF="../../../weka/classifiers/j48/ClassifierTree.html#m_isEmpty">m_isEmpty</A>, <A HREF="../../../weka/classifiers/j48/ClassifierTree.html#m_isLeaf">m_isLeaf</A>, <A HREF="../../../weka/classifiers/j48/ClassifierTree.html#m_localModel">m_localModel</A>, <A HREF="../../../weka/classifiers/j48/ClassifierTree.html#m_sons">m_sons</A>, <A HREF="../../../weka/classifiers/j48/ClassifierTree.html#m_test">m_test</A>, <A HREF="../../../weka/classifiers/j48/ClassifierTree.html#m_toSelectModel">m_toSelectModel</A>, <A HREF="../../../weka/classifiers/j48/ClassifierTree.html#m_train">m_train</A></CODE></TD></TR></TABLE> <!-- ======== CONSTRUCTOR SUMMARY ======== --><A NAME="constructor_summary"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><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/j48/C45PruneableClassifierTree.html#C45PruneableClassifierTree(weka.classifiers.j48.ModelSelection, boolean, float, boolean, boolean)">C45PruneableClassifierTree</A></B>(<A HREF="../../../weka/classifiers/j48/ModelSelection.html">ModelSelection</A> toSelectLocModel, boolean pruneTree, float cf, boolean raiseTree, boolean cleanup)</CODE><BR> Constructor for pruneable tree structure.</TD></TR></TABLE> <!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><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> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../weka/classifiers/j48/C45PruneableClassifierTree.html#buildClassifier(weka.core.Instances)">buildClassifier</A></B>(<A HREF="../../../weka/core/Instances.html">Instances</A> data)</CODE><BR> Method for building a pruneable 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/j48/C45PruneableClassifierTree.html#collapse()">collapse</A></B>()</CODE><BR> Collapses a tree to a node if training error doesn't increase.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected <A HREF="../../../weka/classifiers/j48/ClassifierTree.html">ClassifierTree</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../weka/classifiers/j48/C45PruneableClassifierTree.html#getNewTree(weka.core.Instances)">getNewTree</A></B>(<A HREF="../../../weka/core/Instances.html">Instances</A> data)</CODE><BR> Returns a newly created 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/j48/C45PruneableClassifierTree.html#prune()">prune</A></B>()</CODE><BR> Prunes a tree using C4.5's pruning procedure.</TD></TR>⌨️ 快捷键说明
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