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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 Mon Jul 14 01:36:45 CEST 2008 --><TITLE>SimilarityMeasure (RapidMiner Class Documentation)</TITLE><META NAME="keywords" CONTENT="com.rapidminer.operator.similarity.SimilarityMeasure interface"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="SimilarityMeasure (RapidMiner Class Documentation)";}</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" 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//--></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 | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | CONSTR | <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">com.rapidminer.operator.similarity</FONT><BR>Interface SimilarityMeasure</H2><DL><DT><B>All Superinterfaces:</B> <DD><A HREF="../../../../com/rapidminer/operator/IOObject.html" title="interface in com.rapidminer.operator">IOObject</A>, <A HREF="../../../../com/rapidminer/operator/ResultObject.html" title="interface in com.rapidminer.operator">ResultObject</A>, java.io.Serializable</DD></DL><DL><DT><B>All Known Subinterfaces:</B> <DD><A HREF="../../../../com/rapidminer/operator/similarity/clustermodel/ClusterModelSimilarity.html" title="interface in com.rapidminer.operator.similarity.clustermodel">ClusterModelSimilarity</A>, <A HREF="../../../../com/rapidminer/operator/similarity/attributebased/ExampleBasedSimilarityMeasure.html" title="interface in com.rapidminer.operator.similarity.attributebased">ExampleBasedSimilarityMeasure</A></DD></DL><DL><DT><B>All Known Implementing Classes:</B> <DD><A HREF="../../../../com/rapidminer/operator/similarity/attributebased/AbstractNominalSimilarity.html" title="class in com.rapidminer.operator.similarity.attributebased">AbstractNominalSimilarity</A>, <A HREF="../../../../com/rapidminer/operator/similarity/attributebased/AbstractRealValueBasedSimilarity.html" title="class in com.rapidminer.operator.similarity.attributebased">AbstractRealValueBasedSimilarity</A>, <A HREF="../../../../com/rapidminer/operator/similarity/attributebased/AbstractValueBasedSimilarity.html" title="class in com.rapidminer.operator.similarity.attributebased">AbstractValueBasedSimilarity</A>, <A HREF="../../../../com/rapidminer/operator/similarity/attributebased/CamberraNumericalDistance.html" title="class in com.rapidminer.operator.similarity.attributebased">CamberraNumericalDistance</A>, <A HREF="../../../../com/rapidminer/operator/similarity/attributebased/ChebychevNumericalDistance.html" title="class in com.rapidminer.operator.similarity.attributebased">ChebychevNumericalDistance</A>, <A HREF="../../../../com/rapidminer/operator/similarity/attributebased/CorrelationSimilarity.html" title="class in com.rapidminer.operator.similarity.attributebased">CorrelationSimilarity</A>, <A HREF="../../../../com/rapidminer/operator/similarity/attributebased/CosineSimilarity.html" title="class in com.rapidminer.operator.similarity.attributebased">CosineSimilarity</A>, <A HREF="../../../../com/rapidminer/operator/similarity/attributebased/DiceNominalSimilarity.html" title="class in com.rapidminer.operator.similarity.attributebased">DiceNominalSimilarity</A>, <A HREF="../../../../com/rapidminer/operator/similarity/attributebased/DiceNumericalSimilarity.html" title="class in com.rapidminer.operator.similarity.attributebased">DiceNumericalSimilarity</A>, <A HREF="../../../../com/rapidminer/operator/similarity/DistanceSimilarityConverter.html" title="class in com.rapidminer.operator.similarity">DistanceSimilarityConverter</A>, <A HREF="../../../../com/rapidminer/operator/similarity/attributebased/DTWSimilarity.html" title="class in com.rapidminer.operator.similarity.attributebased">DTWSimilarity</A>, <A HREF="../../../../com/rapidminer/operator/similarity/attributebased/EuclideanDistance.html" title="class in com.rapidminer.operator.similarity.attributebased">EuclideanDistance</A>, <A HREF="../../../../com/rapidminer/operator/similarity/FlatClusterSimilarity.html" title="class in com.rapidminer.operator.similarity">FlatClusterSimilarity</A>, <A HREF="../../../../com/rapidminer/operator/similarity/attributebased/InnerProductSimilarity.html" title="class in com.rapidminer.operator.similarity.attributebased">InnerProductSimilarity</A>, <A HREF="../../../../com/rapidminer/operator/similarity/attributebased/JaccardNominalSimilarity.html" title="class in com.rapidminer.operator.similarity.attributebased">JaccardNominalSimilarity</A>, <A HREF="../../../../com/rapidminer/operator/similarity/attributebased/JaccardNumericalSimilarity.html" title="class in com.rapidminer.operator.similarity.attributebased">JaccardNumericalSimilarity</A>, <A HREF="../../../../com/rapidminer/operator/similarity/attributebased/KulczynskiNominalSimilarity.html" title="class in com.rapidminer.operator.similarity.attributebased">KulczynskiNominalSimilarity</A>, <A HREF="../../../../com/rapidminer/operator/similarity/attributebased/ManhattanDistance.html" title="class in com.rapidminer.operator.similarity.attributebased">ManhattanDistance</A>, <A HREF="../../../../com/rapidminer/operator/similarity/attributebased/MaxProductSimilarity.html" title="class in com.rapidminer.operator.similarity.attributebased">MaxProductSimilarity</A>, <A HREF="../../../../com/rapidminer/operator/similarity/attributebased/MixedEuclideanDistance.html" title="class in com.rapidminer.operator.similarity.attributebased">MixedEuclideanDistance</A>, <A HREF="../../../../com/rapidminer/operator/similarity/clustermodel/MostSpecificCommonNodeSimilarity.html" title="class in com.rapidminer.operator.similarity.clustermodel">MostSpecificCommonNodeSimilarity</A>, <A HREF="../../../../com/rapidminer/operator/similarity/attributebased/NominalDistance.html" title="class in com.rapidminer.operator.similarity.attributebased">NominalDistance</A>, <A HREF="../../../../com/rapidminer/operator/similarity/attributebased/OverlapNumericalSimilarity.html" title="class in com.rapidminer.operator.similarity.attributebased">OverlapNumericalSimilarity</A>, <A HREF="../../../../com/rapidminer/operator/similarity/attributebased/ParameterizedEuclideanDistance.html" title="class in com.rapidminer.operator.similarity.attributebased">ParameterizedEuclideanDistance</A>, <A HREF="../../../../com/rapidminer/operator/similarity/attributebased/RogersTanimotoNominalSimilarity.html" title="class in com.rapidminer.operator.similarity.attributebased">RogersTanimotoNominalSimilarity</A>, <A HREF="../../../../com/rapidminer/operator/similarity/attributebased/RussellRaoNominalSimilarity.html" title="class in com.rapidminer.operator.similarity.attributebased">RussellRaoNominalSimilarity</A>, <A HREF="../../../../com/rapidminer/operator/similarity/SimilarityAdapter.html" title="class in com.rapidminer.operator.similarity">SimilarityAdapter</A>, <A HREF="../../../../com/rapidminer/operator/similarity/attributebased/SimpleMatchingNominalSimilarity.html" title="class in com.rapidminer.operator.similarity.attributebased">SimpleMatchingNominalSimilarity</A>, <A HREF="../../../../com/rapidminer/operator/similarity/clustermodel/TreeDistance.html" title="class in com.rapidminer.operator.similarity.clustermodel">TreeDistance</A>, <A HREF="../../../../com/rapidminer/operator/similarity/clustermodel/TreeInfGainSimilarity.html" title="class in com.rapidminer.operator.similarity.clustermodel">TreeInfGainSimilarity</A>, <A HREF="../../../../com/rapidminer/operator/similarity/clustermodel/TreeSimilarityBinary.html" title="class in com.rapidminer.operator.similarity.clustermodel">TreeSimilarityBinary</A></DD></DL><HR><DL><DT><PRE>public interface <B>SimilarityMeasure</B><DT>extends <A HREF="../../../../com/rapidminer/operator/ResultObject.html" title="interface in com.rapidminer.operator">ResultObject</A></DL></PRE><P>Represents an interface to a similarity/distance calculation. As similarity and distance a very closely related concepts, they are covered in the same interface. Every similarity measure has the responsibility to implement the isDistance method, that indicates whether it behaves as a distance or as similarity measure.<P><P><DL><DT><B>Version:</B></DT> <DD>$Id: SimilarityMeasure.java,v 1.6 2008/05/09 19:22:52 ingomierswa Exp $</DD><DT><B>Author:</B></DT> <DD>Michael Wurst, Ingo Mierswa</DD></DL><HR><P><!-- ========== 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> java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/rapidminer/operator/similarity/SimilarityMeasure.html#explainSimilarity(java.lang.String, java.lang.String)">explainSimilarity</A></B>(java.lang.String x, java.lang.String y)</CODE><BR> Explain the similarity value, returned for the two given object ids.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.util.Iterator<java.lang.String></CODE></FONT></TD><TD><CODE><B><A HREF="../../../../com/rapidminer/operator/similarity/SimilarityMeasure.html#getIds()">getIds</A></B>()</CODE><BR> Return all object ids on which this similarity is defined.</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="../../../../com/rapidminer/operator/similarity/SimilarityMeasure.html#getNumberOfIds()">getNumberOfIds</A></B>()</CODE><BR> Delivers the number of items covered by this measure.</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="../../../../com/rapidminer/operator/similarity/SimilarityMeasure.html#isDistance()">isDistance</A></B>()</CODE><BR> Determine whether the given class represents a distance or a similarity measure</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="../../../../com/rapidminer/operator/similarity/SimilarityMeasure.html#isSimilarityDefined(java.lang.String, java.lang.String)">isSimilarityDefined</A></B>(java.lang.String x, java.lang.String y)</CODE><BR> Is the similarity between the two objects with the given ids defined?.</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="../../../../com/rapidminer/operator/similarity/SimilarityMeasure.html#similarity(java.lang.String, java.lang.String)">similarity</A></B>(java.lang.String x, java.lang.String y)</CODE><BR> Return the similarity of two objects given their ids.</TD></TR></TABLE> <A NAME="methods_inherited_from_class_com.rapidminer.operator.ResultObject"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TH ALIGN="left"><B>Methods inherited from interface com.rapidminer.operator.<A HREF="../../../../com/rapidminer/operator/ResultObject.html" title="interface in com.rapidminer.operator">ResultObject</A></B></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../../../com/rapidminer/operator/ResultObject.html#getActions()">getActions</A>, <A HREF="../../../../com/rapidminer/operator/ResultObject.html#getName()">getName</A>, <A HREF="../../../../com/rapidminer/operator/ResultObject.html#getResultIcon()">getResultIcon</A>, <A HREF="../../../../com/rapidminer/operator/ResultObject.html#getVisualizationComponent(com.rapidminer.operator.IOContainer)">getVisualizationComponent</A>, <A HREF="../../../../com/rapidminer/operator/ResultObject.html#toResultString()">toResultString</A></CODE></TD></TR></TABLE>⌨️ 快捷键说明
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