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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 Tue Jul 15 15:48:41 NZST 2008 --><TITLE>FTNode</TITLE><META NAME="keywords" CONTENT="weka.classifiers.trees.ft.FTNode class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="FTNode";}</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" 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target="_blank"><FONT CLASS="NavBarFont1"><B>Weka's home</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="../../../../weka/classifiers/trees/ft/FTLeavesNode.html" title="class in weka.classifiers.trees.ft"><B>PREV CLASS</B></A> <A HREF="../../../../weka/classifiers/trees/ft/FTtree.html" title="class in weka.classifiers.trees.ft"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../../index.html?weka/classifiers/trees/ft/FTNode.html" target="_top"><B>FRAMES</B></A> <A HREF="FTNode.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 | <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.ft</FONT><BR>Class FTNode</H2><PRE>java.lang.Object <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../weka/classifiers/Classifier.html" title="class in weka.classifiers">weka.classifiers.Classifier</A> <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../weka/classifiers/trees/lmt/LogisticBase.html" title="class in weka.classifiers.trees.lmt">weka.classifiers.trees.lmt.LogisticBase</A> <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><A HREF="../../../../weka/classifiers/trees/ft/FTtree.html" title="class in weka.classifiers.trees.ft">weka.classifiers.trees.ft.FTtree</A> <IMG SRC="../../../../resources/inherit.gif" ALT="extended by "><B>weka.classifiers.trees.ft.FTNode</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD>java.io.Serializable, java.lang.Cloneable, <A HREF="../../../../weka/core/CapabilitiesHandler.html" title="interface in weka.core">CapabilitiesHandler</A>, <A HREF="../../../../weka/core/OptionHandler.html" title="interface in weka.core">OptionHandler</A>, <A HREF="../../../../weka/core/RevisionHandler.html" title="interface in weka.core">RevisionHandler</A>, <A HREF="../../../../weka/core/WeightedInstancesHandler.html" title="interface in weka.core">WeightedInstancesHandler</A></DD></DL><HR><DL><DT><PRE>public class <B>FTNode</B><DT>extends <A HREF="../../../../weka/classifiers/trees/ft/FTtree.html" title="class in weka.classifiers.trees.ft">FTtree</A></DL></PRE><P>Class for Functional tree structure.<P><P><DL><DT><B>Version:</B></DT> <DD>$Revision: 1.4 $</DD><DT><B>Author:</B></DT> <DD>Jo\~{a}o Gama, Carlos Ferreira</DD><DT><B>See Also:</B><DD><A HREF="../../../../serialized-form.html#weka.classifiers.trees.ft.FTNode">Serialized Form</A></DL><HR><P><!-- ======== CONSTRUCTOR SUMMARY ======== --><A NAME="constructor_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>Constructor Summary</B></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../../weka/classifiers/trees/ft/FTNode.html#FTNode(boolean, int, int, double, boolean)">FTNode</A></B>(boolean errorOnProbabilities, int numBoostingIterations, int minNumInstances, double weightTrimBeta, boolean useAIC)</CODE><BR> Constructor for Functional tree node.</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"><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> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../weka/classifiers/trees/ft/FTNode.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 Functional tree (only called for the root node).</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/ft/FTNode.html#buildTree(weka.core.Instances, weka.classifiers.functions.SimpleLinearRegression[][], double, double)">buildTree</A></B>(<A HREF="../../../../weka/core/Instances.html" title="class in weka.core">Instances</A> data, <A HREF="../../../../weka/classifiers/functions/SimpleLinearRegression.html" title="class in weka.classifiers.functions">SimpleLinearRegression</A>[][] higherRegressions, double totalInstanceWeight, double higherNumParameters)</CODE><BR> Method for building the tree structure.</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/ft/FTNode.html#distributionForInstance(weka.core.Instance)">distributionForInstance</A></B>(<A HREF="../../../../weka/core/Instance.html" title="class in weka.core">Instance</A> instance)</CODE><BR> Returns the class probabilities for an instance given by the Functional Tree.</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/ft/FTNode.html#getRevision()">getRevision</A></B>()</CODE><BR> Returns the revision string.</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/ft/FTNode.html#prune()">prune</A></B>()</CODE><BR> Method for prunning a tree using C4.5 pruning procedure.</TD></TR></TABLE> <A NAME="methods_inherited_from_class_weka.classifiers.trees.ft.FTtree"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TH ALIGN="left"><B>Methods inherited from class weka.classifiers.trees.ft.<A HREF="../../../../weka/classifiers/trees/ft/FTtree.html" title="class in weka.classifiers.trees.ft">FTtree</A></B></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../../weka/classifiers/trees/ft/FTtree.html#assignIDs(int)">assignIDs</A>, <A HREF="../../../../weka/classifiers/trees/ft/FTtree.html#assignLeafModelNumbers(int)">assignLeafModelNumbers</A>, <A HREF="../../../../weka/classifiers/trees/ft/FTtree.html#cleanup()">cleanup</A>, <A HREF="../../../../weka/classifiers/trees/ft/FTtree.html#getConstError(double[])">getConstError</A>, <A HREF="../../../../weka/classifiers/trees/ft/FTtree.html#getModelParameters()">getModelParameters</A>, <A HREF="../../../../weka/classifiers/trees/ft/FTtree.html#getNodes()">getNodes</A>, <A HREF="../../../../weka/classifiers/trees/ft/FTtree.html#getNodes(java.util.Vector)">getNodes</A>, <A HREF="../../../../weka/classifiers/trees/ft/FTtree.html#getNumInnerNodes()">getNumInnerNodes</A>, <A HREF="../../../../weka/classifiers/trees/ft/FTtree.html#getNumLeaves()">getNumLeaves</A>, <A HREF="../../../../weka/classifiers/trees/ft/FTtree.html#graph()">graph</A>, <A HREF="../../../../weka/classifiers/trees/ft/FTtree.html#hasModels()">hasModels</A>, <A HREF="../../../../weka/classifiers/trees/ft/FTtree.html#modelDistributionForInstance(weka.core.Instance)">modelDistributionForInstance</A>, <A HREF="../../../../weka/classifiers/trees/ft/FTtree.html#modelsToString()">modelsToString</A>, <A HREF="../../../../weka/classifiers/trees/ft/FTtree.html#numLeaves()">numLeaves</A>, <A HREF="../../../../weka/classifiers/trees/ft/FTtree.html#numNodes()">numNodes</A>, <A HREF="../../../../weka/classifiers/trees/ft/FTtree.html#toString()">toString</A></CODE></TD></TR></TABLE> <A NAME="methods_inherited_from_class_weka.classifiers.trees.lmt.LogisticBase"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TH ALIGN="left"><B>Methods inherited from class weka.classifiers.trees.lmt.<A HREF="../../../../weka/classifiers/trees/lmt/LogisticBase.html" title="class in weka.classifiers.trees.lmt">LogisticBase</A></B></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../../weka/classifiers/trees/lmt/LogisticBase.html#getMaxIterations()">getMaxIterations</A>, <A HREF="../../../../weka/classifiers/trees/lmt/LogisticBase.html#getNumRegressions()">getNumRegressions</A>, <A HREF="../../../../weka/classifiers/trees/lmt/LogisticBase.html#getUseAIC()">getUseAIC</A>, <A HREF="../../../../weka/classifiers/trees/lmt/LogisticBase.html#getUsedAttributes()">getUsedAttributes</A>, <A HREF="../../../../weka/classifiers/trees/lmt/LogisticBase.html#getWeightTrimBeta()">getWeightTrimBeta</A>, <A HREF="../../../../weka/classifiers/trees/lmt/LogisticBase.html#percentAttributesUsed()">percentAttributesUsed</A>, <A HREF="../../../../weka/classifiers/trees/lmt/LogisticBase.html#setHeuristicStop(int)">setHeuristicStop</A>, <A HREF="../../../../weka/classifiers/trees/lmt/LogisticBase.html#setMaxIterations(int)">setMaxIterations</A>, <A HREF="../../../../weka/classifiers/trees/lmt/LogisticBase.html#setUseAIC(boolean)">setUseAIC</A>, <A HREF="../../../../weka/classifiers/trees/lmt/LogisticBase.html#setWeightTrimBeta(double)">setWeightTrimBeta</A></CODE></TD></TR></TABLE> <A NAME="methods_inherited_from_class_weka.classifiers.Classifier"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TH ALIGN="left"><B>Methods inherited from class weka.classifiers.<A HREF="../../../../weka/classifiers/Classifier.html" title="class in weka.classifiers">Classifier</A></B></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor">⌨️ 快捷键说明
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