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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 01:33:49 CEST 2008 --><TITLE>Tools (RapidMiner Class Documentation)</TITLE><META NAME="keywords" CONTENT="com.rapidminer.example.Tools class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="Tools (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" CELLPADDING="0" CELLSPACING="3" SUMMARY=""> <TR 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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="../../../com/rapidminer/example/Statistics.html" title="interface in com.rapidminer.example"><B>PREV CLASS</B></A> <A HREF="../../../com/rapidminer/example/UnknownStatistics.html" title="class in com.rapidminer.example"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../index.html?com/rapidminer/example/Tools.html" target="_top"><B>FRAMES</B></A> <A HREF="Tools.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">com.rapidminer.example</FONT><BR>Class Tools</H2><PRE>java.lang.Object <IMG SRC="../../../resources/inherit.gif" ALT="extended by "><B>com.rapidminer.example.Tools</B></PRE><HR><DL><DT><PRE>public class <B>Tools</B><DT>extends java.lang.Object</DL></PRE><P>Provides some tools for calculation of certain measures and feature generation.<P><P><DL><DT><B>Version:</B></DT> <DD>$Id: Tools.java,v 1.7 2008/05/09 19:22:42 ingomierswa Exp $</DD><DT><B>Author:</B></DT> <DD>Simon Fischer, Ingo Mierswa</DD></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="../../../com/rapidminer/example/Tools.html#Tools()">Tools</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>static void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../com/rapidminer/example/Tools.html#checkAndCreateIds(com.rapidminer.example.ExampleSet)">checkAndCreateIds</A></B>(<A HREF="../../../com/rapidminer/example/ExampleSet.html" title="interface in com.rapidminer.example">ExampleSet</A> es)</CODE><BR> The example set has to have ids.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../com/rapidminer/example/Tools.html#compatible(com.rapidminer.example.Attribute, com.rapidminer.example.Attribute)">compatible</A></B>(<A HREF="../../../com/rapidminer/example/Attribute.html" title="interface in com.rapidminer.example">Attribute</A> first, <A HREF="../../../com/rapidminer/example/Attribute.html" title="interface in com.rapidminer.example">Attribute</A> second)</CODE><BR> Returns true if value and block types of the first attribute are subtypes of value and block type of the second.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../com/rapidminer/example/Tools.html#containsValueType(com.rapidminer.example.ExampleSet, int)">containsValueType</A></B>(<A HREF="../../../com/rapidminer/example/ExampleSet.html" title="interface in com.rapidminer.example">ExampleSet</A> exampleSet, int valueType)</CODE><BR> </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static <A HREF="../../../com/rapidminer/example/Attribute.html" title="interface in com.rapidminer.example">Attribute</A>[]</CODE></FONT></TD><TD><CODE><B><A HREF="../../../com/rapidminer/example/Tools.html#createRegularAttributeArray(com.rapidminer.example.ExampleSet)">createRegularAttributeArray</A></B>(<A HREF="../../../com/rapidminer/example/ExampleSet.html" title="interface in com.rapidminer.example">ExampleSet</A> exampleSet)</CODE><BR> </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static <A HREF="../../../com/rapidminer/example/Attribute.html" title="interface in com.rapidminer.example">Attribute</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../com/rapidminer/example/Tools.html#createSpecialAttribute(com.rapidminer.example.ExampleSet, java.lang.String, int)">createSpecialAttribute</A></B>(<A HREF="../../../com/rapidminer/example/ExampleSet.html" title="interface in com.rapidminer.example">ExampleSet</A> exampleSet, java.lang.String name, int valueType)</CODE><BR> </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static <A HREF="../../../com/rapidminer/example/Attribute.html" title="interface in com.rapidminer.example">Attribute</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../../com/rapidminer/example/Tools.html#createWeightAttribute(com.rapidminer.example.ExampleSet)">createWeightAttribute</A></B>(<A HREF="../../../com/rapidminer/example/ExampleSet.html" title="interface in com.rapidminer.example">ExampleSet</A> exampleSet)</CODE><BR> </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../com/rapidminer/example/Tools.html#fillTableWithRandomValues(com.rapidminer.example.table.ExampleTable, com.rapidminer.example.ExampleSet, com.rapidminer.tools.RandomGenerator)">fillTableWithRandomValues</A></B>(<A HREF="../../../com/rapidminer/example/table/ExampleTable.html" title="interface in com.rapidminer.example.table">ExampleTable</A> exampleTable, <A HREF="../../../com/rapidminer/example/ExampleSet.html" title="interface in com.rapidminer.example">ExampleSet</A> baseSet, <A HREF="../../../com/rapidminer/tools/RandomGenerator.html" title="class in com.rapidminer.tools">RandomGenerator</A> random)</CODE><BR> After creation of a new MemoryExampleTable with given size all values are Double.NaN.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static double</CODE></FONT></TD><TD><CODE><B><A HREF="../../../com/rapidminer/example/Tools.html#getAverageWeight(com.rapidminer.example.set.AttributeWeightedExampleSet)">getAverageWeight</A></B>(<A HREF="../../../com/rapidminer/example/set/AttributeWeightedExampleSet.html" title="class in com.rapidminer.example.set">AttributeWeightedExampleSet</A> exampleSet)</CODE><BR> </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static double[]</CODE></FONT></TD><TD><CODE><B><A HREF="../../../com/rapidminer/example/Tools.html#getInverseProbabilitiesFromWeights(com.rapidminer.example.Attribute[], com.rapidminer.example.set.AttributeWeightedExampleSet)">getInverseProbabilitiesFromWeights</A></B>(<A HREF="../../../com/rapidminer/example/Attribute.html" title="interface in com.rapidminer.example">Attribute</A>[] attributes, <A HREF="../../../com/rapidminer/example/set/AttributeWeightedExampleSet.html" title="class in com.rapidminer.example.set">AttributeWeightedExampleSet</A> exampleSet)</CODE><BR> </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static double[]</CODE></FONT></TD><TD><CODE><B><A HREF="../../../com/rapidminer/example/Tools.html#getProbabilitiesFromWeights(com.rapidminer.example.Attribute[], com.rapidminer.example.set.AttributeWeightedExampleSet)">getProbabilitiesFromWeights</A></B>(<A HREF="../../../com/rapidminer/example/Attribute.html" title="interface in com.rapidminer.example">Attribute</A>[] attributes, <A HREF="../../../com/rapidminer/example/set/AttributeWeightedExampleSet.html" title="class in com.rapidminer.example.set">AttributeWeightedExampleSet</A> exampleSet)</CODE><BR> </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static double[]</CODE></FONT></TD><TD><CODE><B><A HREF="../../../com/rapidminer/example/Tools.html#getProbabilitiesFromWeights(com.rapidminer.example.Attribute[], com.rapidminer.example.set.AttributeWeightedExampleSet, boolean)">getProbabilitiesFromWeights</A></B>(<A HREF="../../../com/rapidminer/example/Attribute.html" title="interface in com.rapidminer.example">Attribute</A>[] attributes, <A HREF="../../../com/rapidminer/example/set/AttributeWeightedExampleSet.html" title="class in com.rapidminer.example.set">AttributeWeightedExampleSet</A> exampleSet, boolean inverse)</CODE><BR> Calculates probabilities for attribute selection purposes based on the given weight.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static <A HREF="../../../com/rapidminer/example/Attribute.html" title="interface in com.rapidminer.example">Attribute</A>[]</CODE></FONT></TD><TD><CODE><B><A HREF="../../../com/rapidminer/example/Tools.html#getRandomCompatibleAttributes(com.rapidminer.example.ExampleSet, com.rapidminer.generator.FeatureGenerator, int, java.lang.String[], java.util.Random)">getRandomCompatibleAttributes</A></B>(<A HREF="../../../com/rapidminer/example/ExampleSet.html" title="interface in com.rapidminer.example">ExampleSet</A> exampleSet, <A HREF="../../../com/rapidminer/generator/FeatureGenerator.html" title="class in com.rapidminer.generator">FeatureGenerator</A> generator, int maxDepth, java.lang.String[] functions, java.util.Random random)</CODE><BR> </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static java.lang.String[]</CODE></FONT></TD><TD><CODE><B><A HREF="../../../com/rapidminer/example/Tools.html#getRegularAttributeNames(com.rapidminer.example.ExampleSet)">getRegularAttributeNames</A></B>(<A HREF="../../../com/rapidminer/example/ExampleSet.html" title="interface in com.rapidminer.example">ExampleSet</A> exampleSet)</CODE><BR> </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static <A HREF="../../../com/rapidminer/example/Attribute.html" title="interface in com.rapidminer.example">Attribute</A>[]</CODE></FONT></TD><TD><CODE><B><A HREF="../../../com/rapidminer/example/Tools.html#getWeightedCompatibleAttributes(com.rapidminer.example.set.AttributeWeightedExampleSet, com.rapidminer.generator.FeatureGenerator, int, java.lang.String[], com.rapidminer.tools.RandomGenerator)">getWeightedCompatibleAttributes</A></B>(<A HREF="../../../com/rapidminer/example/set/AttributeWeightedExampleSet.html" title="class in com.rapidminer.example.set">AttributeWeightedExampleSet</A> exampleSet, <A HREF="../../../com/rapidminer/generator/FeatureGenerator.html" title="class in com.rapidminer.generator">FeatureGenerator</A> generator, int maxDepth, java.lang.String[] functions, <A HREF="../../../com/rapidminer/tools/RandomGenerator.html" title="class in com.rapidminer.tools">RandomGenerator</A> random)</CODE><BR> </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../com/rapidminer/example/Tools.html#hasNominalLabels(com.rapidminer.example.ExampleSet)">hasNominalLabels</A></B>(<A HREF="../../../com/rapidminer/example/ExampleSet.html" title="interface in com.rapidminer.example">ExampleSet</A> es)</CODE><BR> The example set has to have nominal labels.</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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