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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_10) on Fri Jan 26 16:34:51 NZDT 2007 --><TITLE>EstimatorUtils</TITLE><META NAME="keywords" CONTENT="weka.estimators.EstimatorUtils class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="EstimatorUtils";}</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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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/estimators/Estimator.html" title="class in weka.estimators"><B>PREV CLASS</B></A> <A HREF="../../weka/estimators/IncrementalEstimator.html" title="interface in weka.estimators"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../index.html?weka/estimators/EstimatorUtils.html" target="_top"><B>FRAMES</B></A> <A HREF="EstimatorUtils.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.estimators</FONT><BR>Class EstimatorUtils</H2><PRE>java.lang.Object <IMG SRC="../../resources/inherit.gif" ALT="extended by "><B>weka.estimators.EstimatorUtils</B></PRE><HR><DL><DT><PRE>public class <B>EstimatorUtils</B><DT>extends java.lang.Object</DL></PRE><P>Contains static utility functions for Estimators.<p><P><P><DL><DT><B>Version:</B></DT> <DD>$Revision: 1.2 $</DD><DT><B>Author:</B></DT> <DD>Gabi Schmidberger (gabi@cs.waikato.ac.nz)</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="../../weka/estimators/EstimatorUtils.html#EstimatorUtils()">EstimatorUtils</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 java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/estimators/EstimatorUtils.html#cutpointsToString(double[], boolean[])">cutpointsToString</A></B>(double[] cutPoints, boolean[] cutAndLeft)</CODE><BR> Returns a string representing the cutpoints</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="../../weka/estimators/EstimatorUtils.html#findMinDistance(weka.core.Instances, int)">findMinDistance</A></B>(<A HREF="../../weka/core/Instances.html" title="class in weka.core">Instances</A> inst, int attrIndex)</CODE><BR> Find the minimum distance between values</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static <A HREF="../../weka/core/Instances.html" title="class in weka.core">Instances</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/estimators/EstimatorUtils.html#getInstancesFromClass(weka.core.Instances, int, double)">getInstancesFromClass</A></B>(<A HREF="../../weka/core/Instances.html" title="class in weka.core">Instances</A> data, int classIndex, double classValue)</CODE><BR> Returns a dataset that contains of all instances of a certain class value.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static java.util.Vector</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/estimators/EstimatorUtils.html#getInstancesFromClass(weka.core.Instances, int, int, double, weka.core.Instances)">getInstancesFromClass</A></B>(<A HREF="../../weka/core/Instances.html" title="class in weka.core">Instances</A> data, int attrIndex, int classIndex, double classValue, <A HREF="../../weka/core/Instances.html" title="class in weka.core">Instances</A> workData)</CODE><BR> Returns a dataset that contains all instances of a certain class value.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static <A HREF="../../weka/core/Instances.html" title="class in weka.core">Instances</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/estimators/EstimatorUtils.html#getInstancesFromValue(weka.core.Instances, int, double)">getInstancesFromValue</A></B>(<A HREF="../../weka/core/Instances.html" title="class in weka.core">Instances</A> data, int index, double v)</CODE><BR> Returns a dataset that contains of all instances of a certain value for the given attribute.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static int</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/estimators/EstimatorUtils.html#getMinMax(weka.core.Instances, int, double[])">getMinMax</A></B>(<A HREF="../../weka/core/Instances.html" title="class in weka.core">Instances</A> inst, int attrIndex, double[] minMax)</CODE><BR> Find the minimum and the maximum of the attribute and return it in the last parameter..</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/estimators/EstimatorUtils.html#writeCurve(java.lang.String, weka.estimators.Estimator, double, double, int)">writeCurve</A></B>(java.lang.String f, <A HREF="../../weka/estimators/Estimator.html" title="class in weka.estimators">Estimator</A> est, double min, double max, int numPoints)</CODE><BR> Output of an n points of a density curve.</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/estimators/EstimatorUtils.html#writeCurve(java.lang.String, weka.estimators.Estimator, weka.estimators.Estimator, double, double, double, int)">writeCurve</A></B>(java.lang.String f, <A HREF="../../weka/estimators/Estimator.html" title="class in weka.estimators">Estimator</A> est, <A HREF="../../weka/estimators/Estimator.html" title="class in weka.estimators">Estimator</A> classEst, double classIndex, double min, double max, int numPoints)</CODE><BR> Output of an n points of a density curve.</TD></TR></TABLE> <A NAME="methods_inherited_from_class_java.lang.Object"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TH ALIGN="left"><B>Methods inherited from class java.lang.Object</B></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE>equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD></TR></TABLE> ⌨️ 快捷键说明
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