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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 15:27:59 NZDT 2005 --><TITLE>PairedTTester</TITLE><META NAME="keywords" CONTENT="weka.experiment.PairedTTester class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="PairedTTester";}</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 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="../../../Tutorial.pdf"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="http://www.cs.waikato.ac.nz/ml/weka/index.html"><FONT CLASS="NavBarFont1"><B>Weka's 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/experiment/PairedStatsCorrected.html" title="class in weka.experiment"><B>PREV CLASS</B></A> <A HREF="../../weka/experiment/PropertyNode.html" title="class in weka.experiment"><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> <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.experiment</FONT><BR>Class PairedTTester</H2><PRE>java.lang.Object <IMG SRC="../../resources/inherit.gif" ALT="extended by"><B>weka.experiment.PairedTTester</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD><A HREF="../../weka/core/OptionHandler.html" title="interface in weka.core">OptionHandler</A></DD></DL><DL><DT><B>Direct Known Subclasses:</B> <DD><A HREF="../../weka/experiment/PairedCorrectedTTester.html" title="class in weka.experiment">PairedCorrectedTTester</A></DD></DL><HR><DL><DT>public class <B>PairedTTester</B><DT>extends java.lang.Object<DT>implements <A HREF="../../weka/core/OptionHandler.html" title="interface in weka.core">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> -F num <br> The column number containing the fold number. (default none) <p> -S num <br> The significance level for T-Tests. (default 0.05) <p> -G num,num2... <br> The column numbers that uniquely specify one result generator (eg: scheme name plus options). (default last) <p> -L <br> Produce comparison tables in Latex table format <p> -csv <br> Produce comparison tables in csv format <p><P><P><DL><DT><B>Version:</B></DT> <DD>$Revision: 1.22.2.2 $</DD><DT><B>Author:</B></DT> <DD>Len Trigg (trigg@cs.waikato.ac.nz)</DD></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/experiment/PairedTTester.html#PairedTTester()">PairedTTester</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> <A HREF="../../weka/experiment/PairedStats.html" title="class in weka.experiment">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" title="class in weka.core">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> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/experiment/PairedTTester.html#displayResultset(int)">displayResultset</A></B>(int index)</CODE><BR> Checks whether the resultset with the given index shall be displayed.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../weka/core/Range.html" title="class in weka.core">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> int[]</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/experiment/PairedTTester.html#getDisplayedResultsets()">getDisplayedResultsets</A></B>()</CODE><BR> Gets the indices of the the datasets that are displayed (if <code>null</code> then all are displayed).</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#getFoldColumn()">getFoldColumn</A></B>()</CODE><BR> Get the value of FoldColumn.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../weka/core/Instances.html" title="class in weka.core">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#getMeanPrec()">getMeanPrec</A></B>()</CODE><BR> Gets the precision used for printing the mean</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#getNumDisplayedResultsets()">getNumDisplayedResultsets</A></B>()</CODE><BR> Gets the number of displayed resultsets in the data.</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#getProduceCSV()">getProduceCSV</A></B>()</CODE><BR> Get whether csv is output</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" title="class in weka.core">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> int</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/experiment/PairedTTester.html#getStdDevPrec()">getStdDevPrec</A></B>()</CODE><BR> Gets the precision used for printing the std.</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"><CODE> java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/experiment/PairedTTester.html#multiResultsetRanking(int)">multiResultsetRanking</A></B>(int comparisonColumn)</CODE><BR> </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#multiResultsetSummary(int)">multiResultsetSummary</A></B>(int comparisonColumn)</CODE><BR> Carries out a comparison between all resultsets, counting the number of datsets where one resultset outperforms the other.</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#multiResultsetWins(int, int[][])">multiResultsetWins</A></B>(int comparisonColumn, int[][] nonSigWin)</CODE><BR> Carries out a comparison between all resultsets, counting the number of datsets where one resultset outperforms the other.</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#resultsetKey()">resultsetKey</A></B>()</CODE><BR> Creates a key that maps resultset numbers to their descriptions.</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/experiment/PairedTTester.html#setDatasetKeyColumns(weka.core.Range)">setDatasetKeyColumns</A></B>(<A HREF="../../weka/core/Range.html" title="class in weka.core">Range</A> newDatasetKeyColumns)</CODE><BR> Set the value of DatasetKeyColumns.</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/experiment/PairedTTester.html#setDisplayedResultsets(int[])">setDisplayedResultsets</A></B>(int[] cols)</CODE><BR> Sets the indicies of the datasets to display (<code>null</code> means all).</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/experiment/PairedTTester.html#setFoldColumn(int)">setFoldColumn</A></B>(int newFoldColumn)</CODE><BR> Set the value of FoldColumn.</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/experiment/PairedTTester.html#setInstances(weka.core.Instances)">setInstances</A></B>(<A HREF="../../weka/core/Instances.html" title="class in weka.core">Instances</A> newInstances)</CODE><BR> Set the value of Instances.</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/experiment/PairedTTester.html#setMeanPrec(int)">setMeanPrec</A></B>(int precision)</CODE><BR> Sets the precision of the mean output</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/experiment/PairedTTester.html#setOptions(java.lang.String[])">setOptions</A></B>(java.lang.String[] options)</CODE>⌨️ 快捷键说明
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