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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 15:27:13 NZDT 2005 --><TITLE>Classifier</TITLE><META NAME="keywords" CONTENT="weka.classifiers.Classifier class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="Classifier";}</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" CLASS="NavBarCell1"> <A 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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/CheckClassifier.html" title="class in weka.classifiers"><B>PREV CLASS</B></A> <A HREF="../../weka/classifiers/CostMatrix.html" title="class in weka.classifiers"><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="Classifier.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</FONT><BR>Class Classifier</H2><PRE>java.lang.Object <IMG SRC="../../resources/inherit.gif" ALT="extended by"><B>weka.classifiers.Classifier</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD>java.lang.Cloneable, <A HREF="../../weka/core/OptionHandler.html" title="interface in weka.core">OptionHandler</A>, java.io.Serializable</DD></DL><DL><DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../weka/classifiers/trees/ADTree.html" title="class in weka.classifiers.trees">ADTree</A>, <A HREF="../../weka/classifiers/bayes/AODE.html" title="class in weka.classifiers.bayes">AODE</A>, <A HREF="../../weka/classifiers/meta/AttributeSelectedClassifier.html" title="class in weka.classifiers.meta">AttributeSelectedClassifier</A>, <A HREF="../../weka/classifiers/bayes/BayesNet.html" title="class in weka.classifiers.bayes">BayesNet</A>, <A HREF="../../weka/classifiers/bayes/ComplementNaiveBayes.html" title="class in weka.classifiers.bayes">ComplementNaiveBayes</A>, <A HREF="../../weka/classifiers/rules/ConjunctiveRule.html" title="class in weka.classifiers.rules">ConjunctiveRule</A>, <A HREF="../../weka/classifiers/meta/CostSensitiveClassifier.html" title="class in weka.classifiers.meta">CostSensitiveClassifier</A>, <A HREF="../../weka/classifiers/trees/DecisionStump.html" title="class in weka.classifiers.trees">DecisionStump</A>, <A HREF="../../weka/classifiers/rules/DecisionTable.html" title="class in weka.classifiers.rules">DecisionTable</A>, <A HREF="../../weka/classifiers/meta/Decorate.html" title="class in weka.classifiers.meta">Decorate</A>, <A HREF="../../weka/classifiers/meta/FilteredClassifier.html" title="class in weka.classifiers.meta">FilteredClassifier</A>, <A HREF="../../weka/classifiers/misc/HyperPipes.html" title="class in weka.classifiers.misc">HyperPipes</A>, <A HREF="../../weka/classifiers/lazy/IB1.html" title="class in weka.classifiers.lazy">IB1</A>, <A HREF="../../weka/classifiers/lazy/IBk.html" title="class in weka.classifiers.lazy">IBk</A>, <A HREF="../../weka/classifiers/trees/Id3.html" title="class in weka.classifiers.trees">Id3</A>, <A HREF="../../weka/classifiers/trees/J48.html" title="class in weka.classifiers.trees">J48</A>, <A HREF="../../weka/classifiers/rules/JRip.html" title="class in weka.classifiers.rules">JRip</A>, <A HREF="../../weka/classifiers/lazy/KStar.html" title="class in weka.classifiers.lazy">KStar</A>, <A HREF="../../weka/classifiers/lazy/LBR.html" title="class in weka.classifiers.lazy">LBR</A>, <A HREF="../../weka/classifiers/functions/LeastMedSq.html" title="class in weka.classifiers.functions">LeastMedSq</A>, <A HREF="../../weka/classifiers/functions/LinearRegression.html" title="class in weka.classifiers.functions">LinearRegression</A>, <A HREF="../../weka/classifiers/trees/LMT.html" title="class in weka.classifiers.trees">LMT</A>, <A HREF="../../weka/classifiers/functions/Logistic.html" title="class in weka.classifiers.functions">Logistic</A>, <A HREF="../../weka/classifiers/trees/lmt/LogisticBase.html" title="class in weka.classifiers.trees.lmt">LogisticBase</A>, <A HREF="../../weka/classifiers/trees/m5/M5Base.html" title="class in weka.classifiers.trees.m5">M5Base</A>, <A HREF="../../weka/classifiers/meta/MultiClassClassifier.html" title="class in weka.classifiers.meta">MultiClassClassifier</A>, <A HREF="../../weka/classifiers/functions/MultilayerPerceptron.html" title="class in weka.classifiers.functions">MultilayerPerceptron</A>, <A HREF="../../weka/classifiers/MultipleClassifiersCombiner.html" title="class in weka.classifiers">MultipleClassifiersCombiner</A>, <A HREF="../../weka/classifiers/bayes/NaiveBayes.html" title="class in weka.classifiers.bayes">NaiveBayes</A>, <A HREF="../../weka/classifiers/bayes/NaiveBayesMultinomial.html" title="class in weka.classifiers.bayes">NaiveBayesMultinomial</A>, <A HREF="../../weka/classifiers/bayes/NaiveBayesSimple.html" title="class in weka.classifiers.bayes">NaiveBayesSimple</A>, <A HREF="../../weka/classifiers/trees/NBTree.html" title="class in weka.classifiers.trees">NBTree</A>, <A HREF="../../weka/classifiers/rules/NNge.html" title="class in weka.classifiers.rules">NNge</A>, <A HREF="../../weka/classifiers/rules/OneR.html" title="class in weka.classifiers.rules">OneR</A>, <A HREF="../../weka/classifiers/meta/OrdinalClassClassifier.html" title="class in weka.classifiers.meta">OrdinalClassClassifier</A>, <A HREF="../../weka/classifiers/functions/PaceRegression.html" title="class in weka.classifiers.functions">PaceRegression</A>, <A HREF="../../weka/classifiers/rules/PART.html" title="class in weka.classifiers.rules">PART</A>, <A HREF="../../weka/classifiers/trees/m5/PreConstructedLinearModel.html" title="class in weka.classifiers.trees.m5">PreConstructedLinearModel</A>, <A HREF="../../weka/classifiers/rules/Prism.html" title="class in weka.classifiers.rules">Prism</A>, <A HREF="../../weka/classifiers/meta/RacedIncrementalLogitBoost.html" title="class in weka.classifiers.meta">RacedIncrementalLogitBoost</A>, <A HREF="../../weka/classifiers/trees/RandomForest.html" title="class in weka.classifiers.trees">RandomForest</A>, <A HREF="../../weka/classifiers/RandomizableClassifier.html" title="class in weka.classifiers">RandomizableClassifier</A>, <A HREF="../../weka/classifiers/trees/RandomTree.html" title="class in weka.classifiers.trees">RandomTree</A>, <A HREF="../../weka/classifiers/functions/RBFNetwork.html" title="class in weka.classifiers.functions">RBFNetwork</A>, <A HREF="../../weka/classifiers/trees/REPTree.html" title="class in weka.classifiers.trees">REPTree</A>, <A HREF="../../weka/classifiers/rules/Ridor.html" title="class in weka.classifiers.rules">Ridor</A>, <A HREF="../../weka/classifiers/trees/m5/RuleNode.html" title="class in weka.classifiers.trees.m5">RuleNode</A>, <A HREF="../../weka/classifiers/functions/SimpleLinearRegression.html" title="class in weka.classifiers.functions">SimpleLinearRegression</A>, <A HREF="../../weka/classifiers/functions/SimpleLogistic.html" title="class in weka.classifiers.functions">SimpleLogistic</A>, <A HREF="../../weka/classifiers/SingleClassifierEnhancer.html" title="class in weka.classifiers">SingleClassifierEnhancer</A>, <A HREF="../../weka/classifiers/functions/SMO.html" title="class in weka.classifiers.functions">SMO</A>, <A HREF="../../weka/classifiers/functions/SMOreg.html" title="class in weka.classifiers.functions">SMOreg</A>, <A HREF="../../weka/classifiers/meta/ThresholdSelector.html" title="class in weka.classifiers.meta">ThresholdSelector</A>, <A HREF="../../weka/classifiers/trees/UserClassifier.html" title="class in weka.classifiers.trees">UserClassifier</A>, <A HREF="../../weka/classifiers/misc/VFI.html" title="class in weka.classifiers.misc">VFI</A>, <A HREF="../../weka/classifiers/functions/VotedPerceptron.html" title="class in weka.classifiers.functions">VotedPerceptron</A>, <A HREF="../../weka/classifiers/functions/Winnow.html" title="class in weka.classifiers.functions">Winnow</A>, <A HREF="../../weka/classifiers/rules/ZeroR.html" title="class in weka.classifiers.rules">ZeroR</A></DD></DL><HR><DL><DT>public abstract class <B>Classifier</B><DT>extends java.lang.Object<DT>implements java.lang.Cloneable, java.io.Serializable, <A HREF="../../weka/core/OptionHandler.html" title="interface in weka.core">OptionHandler</A></DL><P>Abstract classifier. All schemes for numeric or nominal prediction in Weka extend this class. Note that a classifier MUST either implement distributionForInstance() or classifyInstance().<P><P><DL><DT><B>Version:</B></DT> <DD>$Revision: 1.11.2.1 $</DD><DT><B>Author:</B></DT> <DD>Eibe Frank (eibe@cs.waikato.ac.nz), Len Trigg (trigg@cs.waikato.ac.nz)</DD><DT><B>See Also:</B><DD><A HREF="../../serialized-form.html#weka.classifiers.Classifier">Serialized Form</A></DL><HR><P><!-- ======== NESTED CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><!-- ======== 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/Classifier.html#Classifier()">Classifier</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"><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>abstract void</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/classifiers/Classifier.html#buildClassifier(weka.core.Instances)">buildClassifier</A></B>(<A HREF="../../weka/core/Instances.html" title="class in weka.core">Instances</A> data)</CODE><BR> Generates a classifier.</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/Classifier.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 the given test 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/Classifier.html#debugTipText()">debugTipText</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/classifiers/Classifier.html#distributionForInstance(weka.core.Instance)">distributionForInstance</A></B>(<A HREF="../../weka/core/Instance.html" title="class in weka.core">Instance</A> instance)</CODE><BR> Predicts the class memberships for a given instance.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static <A HREF="../../weka/classifiers/Classifier.html" title="class in weka.classifiers">Classifier</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/classifiers/Classifier.html#forName(java.lang.String, java.lang.String[])">forName</A></B>(java.lang.String classifierName, java.lang.String[] options)</CODE><BR> Creates a new instance of a classifier given it's class name and (optional) arguments to pass to it's setOptions method.</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/classifiers/Classifier.html#getDebug()">getDebug</A></B>()</CODE><BR> Get whether debugging is turned on.</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/Classifier.html#getOptions()">getOptions</A></B>()</CODE><BR> Gets the current settings of the Classifier.</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/classifiers/Classifier.html#listOptions()">listOptions</A></B>()</CODE><BR> Returns an enumeration describing the available options.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static <A HREF="../../weka/classifiers/Classifier.html" title="class in weka.classifiers">Classifier</A>[]</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/classifiers/Classifier.html#makeCopies(weka.classifiers.Classifier, int)">makeCopies</A></B>(<A HREF="../../weka/classifiers/Classifier.html" title="class in weka.classifiers">Classifier</A> model, int num)</CODE><BR> Creates a given number of deep copies of the given classifier using serialization.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static <A HREF="../../weka/classifiers/Classifier.html" title="class in weka.classifiers">Classifier</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/classifiers/Classifier.html#makeCopy(weka.classifiers.Classifier)">makeCopy</A></B>(<A HREF="../../weka/classifiers/Classifier.html" title="class in weka.classifiers">Classifier</A> model)</CODE><BR> Creates a deep copy of the given classifier using serialization.</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/Classifier.html#setDebug(boolean)">setDebug</A></B>(boolean debug)</CODE><BR> Set debugging mode.</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/Classifier.html#setOptions(java.lang.String[])">setOptions</A></B>(java.lang.String[] options)</CODE><BR> Parses a given list of options.</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, toString, 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="Classifier()"><!-- --></A><H3>Classifier</H3><PRE>public <B>Classifier</B>()</PRE><DL></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>buildClassifier</H3><PRE>public abstract void <B>buildClassifier</B>(<A HREF="../../weka/core/Instances.html" title="class in weka.core">Instances</A> data) throws java.lang.Exception</PRE><DL><DD>Generates a classifier. Must initialize all fields of the classifier that are not being set via options (ie. multiple calls of buildClassifier must always lead to the same result). Must not change the dataset in any way.<P>⌨️ 快捷键说明
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