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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Frameset//EN""http://www.w3.org/TR/REC-html40/frameset.dtd"><!--NewPage--><HTML><HEAD><!-- Generated by javadoc on Wed Sep 04 10:31:50 CDT 2002 --><TITLE>: Class PairedTTester</TITLE><LINK REL ="stylesheet" TYPE="text/css" HREF="../../stylesheet.css" TITLE="Style"></HEAD><BODY BGCOLOR="white"><!-- ========== START OF NAVBAR ========== --><A NAME="navbar_top"><!-- --></A><TABLE BORDER="0" WIDTH="100%" CELLPADDING="1" CELLSPACING="0"><TR><TD COLSPAN=2 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A NAME="navbar_top_firstrow"><!-- --></A><TABLE BORDER="0" CELLPADDING="0" CELLSPACING="3"> <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> </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/experiment/PairedStats.html"><B>PREV CLASS</B></A> <A HREF="../../weka/experiment/PropertyNode.html"><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="PairedTTester.html" TARGET="_top"><B>NO FRAMES</B></A></FONT></TD></TR><TR><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2"> SUMMARY: INNER | <A HREF="#field_summary">FIELD</A> | <A HREF="#constructor_summary">CONSTR</A> | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: <A HREF="#field_detail">FIELD</A> | <A HREF="#constructor_detail">CONSTR</A> | <A HREF="#method_detail">METHOD</A></FONT></TD></TR></TABLE><!-- =========== END OF NAVBAR =========== --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">weka.experiment</FONT><BR>Class PairedTTester</H2><PRE>java.lang.Object | +--<B>weka.experiment.PairedTTester</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../weka/core/OptionHandler.html">OptionHandler</A></DD></DL><HR><DL><DT>public class <B>PairedTTester</B><DT>extends java.lang.Object<DT>implements <A HREF="../../weka/core/OptionHandler.html">OptionHandler</A></DL><P>Calculates T-Test statistics on data stored in a set of instances.<p> Valid options from the command-line are:<p> -D num,num2... <br> The column numbers that uniquely specify a dataset. (default last) <p> -R num <br> The column number containing the run number. (default last) <p> -S num <br> The significance level for T-Tests. (default 0.05) <p> -R num,num2... <br> The column numbers that uniquely specify one result generator (eg: scheme name plus options). (default last) <p><P><HR><P><!-- ======== INNER CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><A NAME="field_summary"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=2><FONT SIZE="+2"><B>Field Summary</B></FONT></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected int[]</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/experiment/PairedTTester.html#m_DatasetKeyColumns">m_DatasetKeyColumns</A></B></CODE><BR> An array containing the indexes of just the selected columns</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected <A HREF="../../weka/core/Range.html">Range</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/experiment/PairedTTester.html#m_DatasetKeyColumnsRange">m_DatasetKeyColumnsRange</A></B></CODE><BR> The range of columns that specify a unique "dataset" (eg: scheme plus configuration)</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected weka.experiment.PairedTTester.DatasetSpecifiers</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/experiment/PairedTTester.html#m_DatasetSpecifiers">m_DatasetSpecifiers</A></B></CODE><BR> The list of dataset specifiers</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected <A HREF="../../weka/core/Instances.html">Instances</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/experiment/PairedTTester.html#m_Instances">m_Instances</A></B></CODE><BR> The set of instances we will analyse</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/experiment/PairedTTester.html#m_latexOutput">m_latexOutput</A></B></CODE><BR> Produce tables in latex format</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected int[]</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/experiment/PairedTTester.html#m_ResultsetKeyColumns">m_ResultsetKeyColumns</A></B></CODE><BR> An array containing the indexes of just the selected columns</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected <A HREF="../../weka/core/Range.html">Range</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/experiment/PairedTTester.html#m_ResultsetKeyColumnsRange">m_ResultsetKeyColumnsRange</A></B></CODE><BR> The range of columns that specify a unique result set (eg: scheme plus configuration)</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected <A HREF="../../weka/core/FastVector.html">FastVector</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/experiment/PairedTTester.html#m_Resultsets">m_Resultsets</A></B></CODE><BR> Stores a vector for each resultset holding all instances in each set</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/experiment/PairedTTester.html#m_ResultsetsValid">m_ResultsetsValid</A></B></CODE><BR> Indicates whether the instances have been partitioned</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected int</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/experiment/PairedTTester.html#m_RunColumn">m_RunColumn</A></B></CODE><BR> The index of the column containing the run number</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected int</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/experiment/PairedTTester.html#m_RunColumnSet">m_RunColumnSet</A></B></CODE><BR> The option setting for the run number column (-1 means last)</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/experiment/PairedTTester.html#m_ShowStdDevs">m_ShowStdDevs</A></B></CODE><BR> Indicates whether standard deviations should be displayed</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected double</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/experiment/PairedTTester.html#m_SignificanceLevel">m_SignificanceLevel</A></B></CODE><BR> The significance level for comparisons</TD></TR></TABLE> <!-- ======== CONSTRUCTOR SUMMARY ======== --><A NAME="constructor_summary"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><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/experiment/PairedTTester.html#PairedTTester()">PairedTTester</A></B>()</CODE><BR> </TD></TR></TABLE> <!-- ========== METHOD SUMMARY =========== --><A NAME="method_summary"><!-- --></A><TABLE BORDER="1" CELLPADDING="3" CELLSPACING="0" WIDTH="100%"><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> <A HREF="../../weka/experiment/PairedStats.html">PairedStats</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/experiment/PairedTTester.html#calculateStatistics(weka.core.Instance, int, int, int)">calculateStatistics</A></B>(<A HREF="../../weka/core/Instance.html">Instance</A> datasetSpecifier, int resultset1Index, int resultset2Index, int comparisonColumn)</CODE><BR> Computes a paired t-test comparison for a specified dataset between two resultsets.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../weka/core/Range.html">Range</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/experiment/PairedTTester.html#getDatasetKeyColumns()">getDatasetKeyColumns</A></B>()</CODE><BR> Get the value of DatasetKeyColumns.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../weka/core/Instances.html">Instances</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/experiment/PairedTTester.html#getInstances()">getInstances</A></B>()</CODE><BR> Get the value of Instances.</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="../../weka/experiment/PairedTTester.html#getNumDatasets()">getNumDatasets</A></B>()</CODE><BR> Gets the number of datasets in the resultsets</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="../../weka/experiment/PairedTTester.html#getNumResultsets()">getNumResultsets</A></B>()</CODE><BR> Gets the number of resultsets in the 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/experiment/PairedTTester.html#getOptions()">getOptions</A></B>()</CODE><BR> Gets current settings of the PairedTTester.</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/experiment/PairedTTester.html#getProduceLatex()">getProduceLatex</A></B>()</CODE><BR> Get whether latex is output</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../weka/core/Range.html">Range</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/experiment/PairedTTester.html#getResultsetKeyColumns()">getResultsetKeyColumns</A></B>()</CODE><BR> Get the value of ResultsetKeyColumns.</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/experiment/PairedTTester.html#getResultsetName(int)">getResultsetName</A></B>(int index)</CODE><BR> Gets a string descriptive of the specified resultset.</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="../../weka/experiment/PairedTTester.html#getRunColumn()">getRunColumn</A></B>()</CODE><BR> Get the value of RunColumn.</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/experiment/PairedTTester.html#getShowStdDevs()">getShowStdDevs</A></B>()</CODE><BR> Returns true if standard deviations have been requested.</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/experiment/PairedTTester.html#getSignificanceLevel()">getSignificanceLevel</A></B>()</CODE><BR> Get the value of SignificanceLevel.</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/experiment/PairedTTester.html#header(int)">header</A></B>(int comparisonColumn)</CODE><BR> Creates a "header" string describing the current resultsets.</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/experiment/PairedTTester.html#listOptions()">listOptions</A></B>()</CODE><BR> Lists options understood by this object.</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="../../weka/experiment/PairedTTester.html#main(java.lang.String[])">main</A></B>(java.lang.String[] args)</CODE><BR> Test the class from the command line.</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/experiment/PairedTTester.html#multiResultsetFull(int, int)">multiResultsetFull</A></B>(int baseResultset, int comparisonColumn)</CODE><BR> Creates a comparison table where a base resultset is compared to the other resultsets.</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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