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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_10) on Fri Jan 26 16:34:41 NZDT 2007 --><TITLE>ClassifierSubsetEval</TITLE><META NAME="keywords" CONTENT="weka.attributeSelection.ClassifierSubsetEval class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="ClassifierSubsetEval";}</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" 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> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="http://www.cs.waikato.ac.nz/ml/weka/" 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/attributeSelection/ChiSquaredAttributeEval.html" title="class in weka.attributeSelection"><B>PREV CLASS</B></A> <A HREF="../../weka/attributeSelection/ConsistencySubsetEval.html" title="class in weka.attributeSelection"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../index.html?weka/attributeSelection/ClassifierSubsetEval.html" target="_top"><B>FRAMES</B></A> <A HREF="ClassifierSubsetEval.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.attributeSelection</FONT><BR>Class ClassifierSubsetEval</H2><PRE>java.lang.Object <IMG SRC="../../resources/inherit.gif" ALT="extended by "><A HREF="../../weka/attributeSelection/ASEvaluation.html" title="class in weka.attributeSelection">weka.attributeSelection.ASEvaluation</A> <IMG SRC="../../resources/inherit.gif" ALT="extended by "><A HREF="../../weka/attributeSelection/SubsetEvaluator.html" title="class in weka.attributeSelection">weka.attributeSelection.SubsetEvaluator</A> <IMG SRC="../../resources/inherit.gif" ALT="extended by "><A HREF="../../weka/attributeSelection/HoldOutSubsetEvaluator.html" title="class in weka.attributeSelection">weka.attributeSelection.HoldOutSubsetEvaluator</A> <IMG SRC="../../resources/inherit.gif" ALT="extended by "><B>weka.attributeSelection.ClassifierSubsetEval</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD>java.io.Serializable, <A HREF="../../weka/attributeSelection/ErrorBasedMeritEvaluator.html" title="interface in weka.attributeSelection">ErrorBasedMeritEvaluator</A>, <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></DD></DL><HR><DL><DT><PRE>public class <B>ClassifierSubsetEval</B><DT>extends <A HREF="../../weka/attributeSelection/HoldOutSubsetEvaluator.html" title="class in weka.attributeSelection">HoldOutSubsetEvaluator</A><DT>implements <A HREF="../../weka/core/OptionHandler.html" title="interface in weka.core">OptionHandler</A>, <A HREF="../../weka/attributeSelection/ErrorBasedMeritEvaluator.html" title="interface in weka.attributeSelection">ErrorBasedMeritEvaluator</A></DL></PRE><P><!-- globalinfo-start --> Classifier subset evaluator:<br/> <br/> Evaluates attribute subsets on training data or a seperate hold out testing set. Uses a classifier to estimate the 'merit' of a set of attributes. <p/> <!-- globalinfo-end --> <!-- options-start --> Valid options are: <p/> <pre> -B <classifier> class name of the classifier to use for accuracy estimation. Place any classifier options LAST on the command line following a "--". eg.: -B weka.classifiers.bayes.NaiveBayes ... -- -K (default: weka.classifiers.rules.ZeroR)</pre> <pre> -T Use the training data to estimate accuracy.</pre> <pre> -H <filename> Name of the hold out/test set to estimate accuracy on.</pre> <pre> Options specific to scheme weka.classifiers.rules.ZeroR: </pre> <pre> -D If set, classifier is run in debug mode and may output additional info to the console</pre> <!-- options-end --><P><P><DL><DT><B>Version:</B></DT> <DD>$Revision: 1.16 $</DD><DT><B>Author:</B></DT> <DD>Mark Hall (mhall@cs.waikato.ac.nz)</DD><DT><B>See Also:</B><DD><A HREF="../../serialized-form.html#weka.attributeSelection.ClassifierSubsetEval">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/attributeSelection/ClassifierSubsetEval.html#ClassifierSubsetEval()">ClassifierSubsetEval</A></B>()</CODE><BR> </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/attributeSelection/ClassifierSubsetEval.html#buildEvaluator(weka.core.Instances)">buildEvaluator</A></B>(<A HREF="../../weka/core/Instances.html" title="class in weka.core">Instances</A> data)</CODE><BR> Generates a attribute evaluator.</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/attributeSelection/ClassifierSubsetEval.html#classifierTipText()">classifierTipText</A></B>()</CODE><BR> Returns the tip text for this property</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/attributeSelection/ClassifierSubsetEval.html#evaluateSubset(java.util.BitSet)">evaluateSubset</A></B>(java.util.BitSet subset)</CODE><BR> Evaluates a subset of attributes</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/attributeSelection/ClassifierSubsetEval.html#evaluateSubset(java.util.BitSet, weka.core.Instance, boolean)">evaluateSubset</A></B>(java.util.BitSet subset, <A HREF="../../weka/core/Instance.html" title="class in weka.core">Instance</A> holdOut, boolean retrain)</CODE><BR> Evaluates a subset of attributes with respect to a single 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/attributeSelection/ClassifierSubsetEval.html#evaluateSubset(java.util.BitSet, weka.core.Instances)">evaluateSubset</A></B>(java.util.BitSet subset, <A HREF="../../weka/core/Instances.html" title="class in weka.core">Instances</A> holdOut)</CODE><BR> Evaluates a subset of attributes with respect to a set of instances.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../weka/core/Capabilities.html" title="class in weka.core">Capabilities</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/attributeSelection/ClassifierSubsetEval.html#getCapabilities()">getCapabilities</A></B>()</CODE><BR> Returns the capabilities of this evaluator.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../weka/classifiers/Classifier.html" title="class in weka.classifiers">Classifier</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/attributeSelection/ClassifierSubsetEval.html#getClassifier()">getClassifier</A></B>()</CODE><BR> Get the classifier used as the base learner.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.io.File</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/attributeSelection/ClassifierSubsetEval.html#getHoldOutFile()">getHoldOutFile</A></B>()</CODE><BR> Gets the file that holds hold out/test instances.</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/attributeSelection/ClassifierSubsetEval.html#getOptions()">getOptions</A></B>()</CODE><BR> Gets the current settings of ClassifierSubsetEval</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/attributeSelection/ClassifierSubsetEval.html#getUseTraining()">getUseTraining</A></B>()</CODE><BR> Get if training data is to be used instead of hold out/test data</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/attributeSelection/ClassifierSubsetEval.html#globalInfo()">globalInfo</A></B>()</CODE><BR> Returns a string describing this attribute evaluator</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/attributeSelection/ClassifierSubsetEval.html#holdOutFileTipText()">holdOutFileTipText</A></B>()</CODE><BR> Returns the tip text for this property</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.util.Enumeration</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/attributeSelection/ClassifierSubsetEval.html#listOptions()">listOptions</A></B>()</CODE><BR> Returns an enumeration describing the available options.</TD></TR>⌨️ 快捷键说明
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