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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>ConditionalEstimator</TITLE><META NAME="keywords" CONTENT="weka.estimators.ConditionalEstimator interface"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="ConditionalEstimator";}</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" 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> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="http://www.cs.waikato.ac.nz/ml/weka/" target="_blank"><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/estimators/CheckEstimator.PostProcessor.html" title="class in weka.estimators"><B>PREV CLASS</B></A> <A HREF="../../weka/estimators/DDConditionalEstimator.html" title="class in weka.estimators"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../index.html?weka/estimators/ConditionalEstimator.html" target="_top"><B>FRAMES</B></A> <A HREF="ConditionalEstimator.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 | 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">weka.estimators</FONT><BR>Interface ConditionalEstimator</H2><DL><DT><B>All Known Implementing Classes:</B> <DD><A HREF="../../weka/estimators/DDConditionalEstimator.html" title="class in weka.estimators">DDConditionalEstimator</A>, <A HREF="../../weka/estimators/DKConditionalEstimator.html" title="class in weka.estimators">DKConditionalEstimator</A>, <A HREF="../../weka/estimators/DNConditionalEstimator.html" title="class in weka.estimators">DNConditionalEstimator</A>, <A HREF="../../weka/estimators/KDConditionalEstimator.html" title="class in weka.estimators">KDConditionalEstimator</A>, <A HREF="../../weka/estimators/KKConditionalEstimator.html" title="class in weka.estimators">KKConditionalEstimator</A>, <A HREF="../../weka/estimators/NDConditionalEstimator.html" title="class in weka.estimators">NDConditionalEstimator</A>, <A HREF="../../weka/estimators/NNConditionalEstimator.html" title="class in weka.estimators">NNConditionalEstimator</A></DD></DL><HR><DL><DT><PRE>public interface <B>ConditionalEstimator</B></DL></PRE><P>Interface for conditional probability estimators. Example code: <p> <code> <pre> NNConditionalEstimator newEst = new NNConditionalEstimator(); // Create 50 random points and add them Random r = new Random(seed); for(int i = 0; i < 50; i++) { int x = Math.abs(r.nextInt() % 100); int y = Math.abs(r.nextInt() % 100); System.out.println("# " + x + " " + y); newEst.addValue(x, y, 1); } // Pick a random conditional value int cond = Math.abs(r.nextInt() % 100); System.out.println("## Conditional = " + cond); // Print the probabilities conditional on that value Estimator result = newEst.getEstimator(cond); for(int i = 0; i <= 100; i+= 5) { System.out.println(" " + i + " " + result.getProbability(i)); } </pre> </code><P><P><DL><DT><B>Version:</B></DT> <DD>$Revision: 1.5 $</DD><DT><B>Author:</B></DT> <DD>Len Trigg (trigg@cs.waikato.ac.nz)</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> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/estimators/ConditionalEstimator.html#addValue(double, double, double)">addValue</A></B>(double data, double given, double weight)</CODE><BR> Add a new data value to the current estimator.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../weka/estimators/Estimator.html" title="class in weka.estimators">Estimator</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/estimators/ConditionalEstimator.html#getEstimator(double)">getEstimator</A></B>(double given)</CODE><BR> Get a probability estimator for a value</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/estimators/ConditionalEstimator.html#getProbability(double, double)">getProbability</A></B>(double data, double given)</CODE><BR> Get a probability for a value conditional on another value</TD></TR></TABLE> <P><!-- ============ METHOD DETAIL ========== --><A NAME="method_detail"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="1"><FONT SIZE="+2"><B>Method Detail</B></FONT></TH></TR></TABLE><A NAME="addValue(double, double, double)"><!-- --></A><H3>addValue</H3><PRE>void <B>addValue</B>(double data, double given, double weight)</PRE><DL><DD>Add a new data value to the current estimator.<P><DD><DL><DT><B>Parameters:</B><DD><CODE>data</CODE> - the new data value<DD><CODE>given</CODE> - the new value that data is conditional upon<DD><CODE>weight</CODE> - the weight assigned to the data value</DL></DD></DL><HR><A NAME="getEstimator(double)"><!-- --></A><H3>getEstimator</H3><PRE><A HREF="../../weka/estimators/Estimator.html" title="class in weka.estimators">Estimator</A> <B>getEstimator</B>(double given)</PRE><DL><DD>Get a probability estimator for a value<P><DD><DL><DT><B>Parameters:</B><DD><CODE>given</CODE> - the new value that data is conditional upon<DT><B>Returns:</B><DD>the estimator for the supplied value given the condition</DL></DD></DL><HR><A NAME="getProbability(double, double)"><!-- --></A><H3>getProbability</H3><PRE>double <B>getProbability</B>(double data, double given)</PRE><DL><DD>Get a probability for a value conditional on another value<P><DD><DL><DT><B>Parameters:</B><DD><CODE>data</CODE> - the value to estimate the probability of<DD><CODE>given</CODE> - the new value that data is conditional upon<DT><B>Returns:</B><DD>the estimator for the supplied value given the condition</DL></DD></DL><!-- ========= END OF CLASS DATA ========= --><HR><!-- ======= START OF BOTTOM NAVBAR ====== --><A NAME="navbar_bottom"><!-- --></A><A HREF="#skip-navbar_bottom" 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_bottom_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="../../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="http://www.cs.waikato.ac.nz/ml/weka/" target="_blank"><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/estimators/CheckEstimator.PostProcessor.html" title="class in weka.estimators"><B>PREV CLASS</B></A> <A HREF="../../weka/estimators/DDConditionalEstimator.html" title="class in weka.estimators"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../index.html?weka/estimators/ConditionalEstimator.html" target="_top"><B>FRAMES</B></A> <A HREF="ConditionalEstimator.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 | 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_bottom"></A><!-- ======== END OF BOTTOM NAVBAR ======= --><HR></BODY></HTML>⌨️ 快捷键说明
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