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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 10:31:50 CDT 2002 --><TITLE>: Class Node</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"> <FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT> </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="../../../weka/classifiers/m5/Measures.html"><B>PREV CLASS</B></A> <A HREF="../../../weka/classifiers/m5/Options.html"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../index.html" TARGET="_top"><B>FRAMES</B></A> <A HREF="Node.html" TARGET="_top"><B>NO FRAMES</B></A></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: INNER | 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><!-- =========== END OF NAVBAR =========== --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">weka.classifiers.m5</FONT><BR>Class Node</H2><PRE>java.lang.Object | +--<B>weka.classifiers.m5.Node</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD>java.io.Serializable</DD></DL><HR><DL><DT>public final class <B>Node</B><DT>extends java.lang.Object<DT>implements java.io.Serializable</DL><P>Class for handing a node in the tree or the subtree under this node<P><DL><DT><B>See Also: </B><DD><A HREF="../../../serialized-form.html#weka.classifiers.m5.Node">Serialized Form</A></DL><HR><P><!-- ======== INNER CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><!-- ======== 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/m5/Node.html#Node(weka.core.Instances, weka.classifiers.m5.Node)">Node</A></B>(<A HREF="../../../weka/core/Instances.html">Instances</A> inst, <A HREF="../../../weka/classifiers/m5/Node.html">Node</A> up)</CODE><BR> Constructs a new node</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../weka/classifiers/m5/Node.html#Node(weka.core.Instances, weka.classifiers.m5.Node, weka.classifiers.m5.Options)">Node</A></B>(<A HREF="../../../weka/core/Instances.html">Instances</A> inst, <A HREF="../../../weka/classifiers/m5/Node.html">Node</A> up, <A HREF="../../../weka/classifiers/m5/Options.html">Options</A> options)</CODE><BR> Constructs the root of a tree</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> <A HREF="../../../weka/classifiers/m5/Node.html">Node</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../weka/classifiers/m5/Node.html#copy(weka.classifiers.m5.Node)">copy</A></B>(<A HREF="../../../weka/classifiers/m5/Node.html">Node</A> up)</CODE><BR> Makes a copy of the tree under this node</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../weka/classifiers/m5/Errors.html">Errors</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../weka/classifiers/m5/Node.html#errors(weka.core.Instances, boolean)">errors</A></B>(<A HREF="../../../weka/core/Instances.html">Instances</A> inst, boolean smooth)</CODE><BR> Evaluates a tree</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/m5/Node.html#factor(int, int, double)">factor</A></B>(int n, int v, double pruningFactor)</CODE><BR> Calculates a multiplication factor used at this node</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/m5/Node.html#formulaeToString(boolean)">formulaeToString</A></B>(boolean smooth)</CODE><BR> Converts all the linear models at the leaves under the node to a string</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/m5/Node.html#function()">function</A></B>()</CODE><BR> Finds the appropriate order of the unsmoothed linear model at this 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/m5/Node.html#leafNode()">leafNode</A></B>()</CODE><BR> Sets the node to a leaf</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/m5/Node.html#leafNum(weka.core.Instance)">leafNum</A></B>(<A HREF="../../../weka/core/Instance.html">Instance</A> instance)</CODE><BR> Detects which leaf a instance falls into</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../../weka/classifiers/m5/Measures.html">Measures</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../weka/classifiers/m5/Node.html#measures(weka.core.Instances, boolean)">measures</A></B>(<A HREF="../../../weka/core/Instances.html">Instances</A> inst, boolean smooth)</CODE><BR> Computes performance measures of a 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/m5/Node.html#measuresToString(weka.classifiers.m5.Measures[], weka.core.Instances, int, int, java.lang.String)">measuresToString</A></B>(<A HREF="../../../weka/classifiers/m5/Measures.html">Measures</A>[] measures, <A HREF="../../../weka/core/Instances.html">Instances</A> inst, int lmNo, int verbosity, java.lang.String str)</CODE><BR> Converts the performance measures into a string</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/m5/Node.html#numberOfLinearModels()">numberOfLinearModels</A></B>()</CODE><BR> Counts the number of linear models in 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/m5/Node.html#numLeaves(int)">numLeaves</A></B>(int leafCounter)</CODE><BR> Sets the leaves' numbers</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/m5/Node.html#predict(weka.core.Instance, boolean)">predict</A></B>(<A HREF="../../../weka/core/Instance.html">Instance</A> instance, boolean smooth)</CODE><BR> Predicts the class value of an instance by the 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/m5/Node.html#predictionsToString(weka.core.Instances, int, boolean)">predictionsToString</A></B>(<A HREF="../../../weka/core/Instances.html">Instances</A> inst, int lmNo, boolean smooth)</CODE><BR> Converts the predictions by the tree under this node to a string</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/m5/Node.html#prune()">prune</A></B>()</CODE><BR> Prunes the model 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/m5/Node.html#regression(weka.classifiers.m5.Function)">regression</A></B>(<A HREF="../../../weka/classifiers/m5/Function.html">Function</A> function)</CODE><BR> Computes the coefficients of a linear model using the instances at this node</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">⌨️ 快捷键说明
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