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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 15:48:36 NZST 2008 --><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><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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HREF="http://www.cs.waikato.ac.nz/ml/weka/" target="_blank"><FONT CLASS="NavBarFont1"><B>Weka's home</B></FONT></A>&nbsp;</TD>  </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM></EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">&nbsp;<A HREF="../../weka/classifiers/CheckSource.html" title="class in weka.classifiers"><B>PREV CLASS</B></A>&nbsp;&nbsp;<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?weka/classifiers/Classifier.html" target="_top"><B>FRAMES</B></A>  &nbsp;&nbsp;<A HREF="Classifier.html" target="_top"><B>NO FRAMES</B></A>  &nbsp;&nbsp;<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:&nbsp;NESTED&nbsp;|&nbsp;FIELD&nbsp;|&nbsp;<A HREF="#constructor_summary">CONSTR</A>&nbsp;|&nbsp;<A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL:&nbsp;FIELD&nbsp;|&nbsp;<A HREF="#constructor_detail">CONSTR</A>&nbsp;|&nbsp;<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.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></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/bayes/AODEsr.html" title="class in weka.classifiers.bayes">AODEsr</A>, <A HREF="../../weka/classifiers/bayes/BayesianLogisticRegression.html" title="class in weka.classifiers.bayes">BayesianLogisticRegression</A>, <A HREF="../../weka/classifiers/bayes/BayesNet.html" title="class in weka.classifiers.bayes">BayesNet</A>, <A HREF="../../weka/classifiers/mi/CitationKNN.html" title="class in weka.classifiers.mi">CitationKNN</A>, <A HREF="../../weka/classifiers/meta/ClassificationViaClustering.html" title="class in weka.classifiers.meta">ClassificationViaClustering</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/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/bayes/DMNBtext.html" title="class in weka.classifiers.bayes">DMNBtext</A>, <A HREF="../../weka/classifiers/misc/FLR.html" title="class in weka.classifiers.misc">FLR</A>, <A HREF="../../weka/classifiers/trees/FT.html" title="class in weka.classifiers.trees">FT</A>, <A HREF="../../weka/classifiers/functions/GaussianProcesses.html" title="class in weka.classifiers.functions">GaussianProcesses</A>, <A HREF="../../weka/classifiers/bayes/HNB.html" title="class in weka.classifiers.bayes">HNB</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/functions/IsotonicRegression.html" title="class in weka.classifiers.functions">IsotonicRegression</A>, <A HREF="../../weka/classifiers/trees/J48.html" title="class in weka.classifiers.trees">J48</A>, <A HREF="../../weka/classifiers/trees/J48graft.html" title="class in weka.classifiers.trees">J48graft</A>, <A HREF="../../weka/classifiers/rules/JRip.html" title="class in weka.classifiers.rules">JRip</A>, <A HREF="../../weka/classifiers/JythonClassifier.html" title="class in weka.classifiers">JythonClassifier</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/LibSVM.html" title="class in weka.classifiers.functions">LibSVM</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/mi/MDD.html" title="class in weka.classifiers.mi">MDD</A>, <A HREF="../../weka/classifiers/mi/MIDD.html" title="class in weka.classifiers.mi">MIDD</A>, <A HREF="../../weka/classifiers/mi/MILR.html" title="class in weka.classifiers.mi">MILR</A>, <A HREF="../../weka/classifiers/misc/MinMaxExtension.html" title="class in weka.classifiers.misc">MinMaxExtension</A>, <A HREF="../../weka/classifiers/mi/MINND.html" title="class in weka.classifiers.mi">MINND</A>, <A HREF="../../weka/classifiers/mi/MIOptimalBall.html" title="class in weka.classifiers.mi">MIOptimalBall</A>, <A HREF="../../weka/classifiers/mi/MISMO.html" title="class in weka.classifiers.mi">MISMO</A>, <A HREF="../../weka/classifiers/mi/MISVM.html" title="class in weka.classifiers.mi">MISVM</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/misc/monotone/OSDLCore.html" title="class in weka.classifiers.misc.monotone">OSDLCore</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/functions/PLSClassifier.html" title="class in weka.classifiers.functions">PLSClassifier</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/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/misc/SerializedClassifier.html" title="class in weka.classifiers.misc">SerializedClassifier</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/functions/SVMreg.html" title="class in weka.classifiers.functions">SVMreg</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/bayes/WAODE.html" title="class in weka.classifiers.bayes">WAODE</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><PRE>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>, <A HREF="../../weka/core/CapabilitiesHandler.html" title="interface in weka.core">CapabilitiesHandler</A>, <A HREF="../../weka/core/RevisionHandler.html" title="interface in weka.core">RevisionHandler</A></DL></PRE><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: 1.18 $</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><!-- ======== 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/Classifier.html#Classifier()">Classifier</A></B>()</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD></TR></TABLE>&nbsp;<!-- ========== 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>abstract &nbsp;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>&nbsp;data)</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Generates a classifier.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>&nbsp;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>&nbsp;instance)</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Classifies the given test instance.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>&nbsp;java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/classifiers/Classifier.html#debugTipText()">debugTipText</A></B>()</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;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>&nbsp;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>&nbsp;instance)</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;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&nbsp;<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&nbsp;classifierName,        java.lang.String[]&nbsp;options)</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;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>&nbsp;<A HREF="../../weka/core/Capabilities.html" title="class in weka.core">Capabilities</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/classifiers/Classifier.html#getCapabilities()">getCapabilities</A></B>()</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the Capabilities of this classifier.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>&nbsp;boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/classifiers/Classifier.html#getDebug()">getDebug</A></B>()</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Get whether debugging is turned on.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>&nbsp;java.lang.String[]</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/classifiers/Classifier.html#getOptions()">getOptions</A></B>()</CODE><BR>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Gets the current settings of the Classifier.</TD>

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