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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_04) on Tue Jun 22 19:42:08 EDT 2004 --><TITLE>ProbabilityFunction (JavaBayes API)</TITLE><META NAME="keywords" CONTENT="BayesianNetworks.ProbabilityFunction class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="ProbabilityFunction (JavaBayes API)";}</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="../help-doc.html"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM>JavaBayes API</EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../BayesianNetworks/DiscreteVariable.html" title="class in BayesianNetworks"><B>PREV CLASS</B></A> <A HREF="../BayesianNetworks/ProbabilityVariable.html" title="class in BayesianNetworks"><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="ProbabilityFunction.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 | <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><A NAME="skip-navbar_top"></A><!-- ========= END OF TOP NAVBAR ========= --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">BayesianNetworks</FONT><BR>Class ProbabilityFunction</H2><PRE>java.lang.Object <IMG SRC="../resources/inherit.gif" ALT="extended by"><A HREF="../BayesianNetworks/DiscreteFunction.html" title="class in BayesianNetworks">BayesianNetworks.DiscreteFunction</A> <IMG SRC="../resources/inherit.gif" ALT="extended by"><B>BayesianNetworks.ProbabilityFunction</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD>java.io.Serializable</DD></DL><DL><DT><B>Direct Known Subclasses:</B> <DD><A HREF="../CredalSets/QBProbabilityFunction.html" title="class in CredalSets">QBProbabilityFunction</A></DD></DL><HR><DL><DT>public class <B>ProbabilityFunction</B><DT>extends <A HREF="../BayesianNetworks/DiscreteFunction.html" title="class in BayesianNetworks">DiscreteFunction</A><DT>implements java.io.Serializable</DL><P>***************************************************************<P><P><DL><DT><B>See Also:</B><DD><A HREF="../serialized-form.html#BayesianNetworks.ProbabilityFunction">Serialized Form</A></DL><HR><P><!-- ======== NESTED CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><A NAME="field_summary"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><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 <A HREF="../BayesianNetworks/BayesNet.html" title="class in BayesianNetworks">BayesNet</A></CODE></FONT></TD><TD><CODE><B><A HREF="../BayesianNetworks/ProbabilityFunction.html#bn">bn</A></B></CODE><BR> </TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected java.util.Vector</CODE></FONT></TD><TD><CODE><B><A HREF="../BayesianNetworks/ProbabilityFunction.html#properties">properties</A></B></CODE><BR> </TD></TR></TABLE> <A NAME="fields_inherited_from_class_BayesianNetworks.DiscreteFunction"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TD><B>Fields inherited from class BayesianNetworks.<A HREF="../BayesianNetworks/DiscreteFunction.html" title="class in BayesianNetworks">DiscreteFunction</A></B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../BayesianNetworks/DiscreteFunction.html#values">values</A>, <A HREF="../BayesianNetworks/DiscreteFunction.html#variables">variables</A></CODE></TD></TR></TABLE> <!-- ======== 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="../BayesianNetworks/ProbabilityFunction.html#ProbabilityFunction()">ProbabilityFunction</A></B>()</CODE><BR> Default constructor for a ProbabilityFunction.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../BayesianNetworks/ProbabilityFunction.html#ProbabilityFunction(BayesianNetworks.BayesNet, BayesianNetworks.DiscreteVariable[], double[], java.util.Vector)">ProbabilityFunction</A></B>(<A HREF="../BayesianNetworks/BayesNet.html" title="class in BayesianNetworks">BayesNet</A> b_n, <A HREF="../BayesianNetworks/DiscreteVariable.html" title="class in BayesianNetworks">DiscreteVariable</A>[] pvs, double[] v, java.util.Vector prop)</CODE><BR> Constructor for ProbabilityFunction.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../BayesianNetworks/ProbabilityFunction.html#ProbabilityFunction(BayesianNetworks.BayesNet, int, int, java.util.Vector)">ProbabilityFunction</A></B>(<A HREF="../BayesianNetworks/BayesNet.html" title="class in BayesianNetworks">BayesNet</A> b_n, int n_vb, int n_vl, java.util.Vector prop)</CODE><BR> Constructor for ProbabilityFunction.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../BayesianNetworks/ProbabilityFunction.html#ProbabilityFunction(BayesianNetworks.DiscreteFunction, BayesianNetworks.BayesNet)">ProbabilityFunction</A></B>(<A HREF="../BayesianNetworks/DiscreteFunction.html" title="class in BayesianNetworks">DiscreteFunction</A> df, <A HREF="../BayesianNetworks/BayesNet.html" title="class in BayesianNetworks">BayesNet</A> b_n)</CODE><BR> Constructor for ProbabilityFunction.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../BayesianNetworks/ProbabilityFunction.html#ProbabilityFunction(BayesianNetworks.DiscreteFunction, double[])">ProbabilityFunction</A></B>(<A HREF="../BayesianNetworks/DiscreteFunction.html" title="class in BayesianNetworks">DiscreteFunction</A> df, double[] new_values)</CODE><BR> Constructor for ProbabilityFunction.</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> void</CODE></FONT></TD><TD><CODE><B><A HREF="../BayesianNetworks/ProbabilityFunction.html#add_property(java.lang.String)">add_property</A></B>(java.lang.String prop)</CODE><BR> Add a property to the current ProbabilityFunction.</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="../BayesianNetworks/ProbabilityFunction.html#evaluate(int[])">evaluate</A></B>(int[] value_indexes)</CODE><BR> Evaluate a function given a (possibly partial) instantiation of variables through the markers.</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="../BayesianNetworks/ProbabilityFunction.html#evaluate(java.lang.String[][])">evaluate</A></B>(java.lang.String[][] variable_value_pairs)</CODE><BR> Evaluate a function given a list of pairs (Variable Value) which specifies a value of the function.</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="../BayesianNetworks/ProbabilityFunction.html#expected_value(BayesianNetworks.DiscreteFunction)">expected_value</A></B>(<A HREF="../BayesianNetworks/DiscreteFunction.html" title="class in BayesianNetworks">DiscreteFunction</A> df)</CODE><BR> Obtain expected value of a DiscreteFunction The current implementation is very limited; it assumes that both the ProbabilityFunction object and the DiscreteFunctions object has a single variable, and the variable must be the same for both functions.</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="../BayesianNetworks/ProbabilityFunction.html#get_enumerated_properties()">get_enumerated_properties</A></B>()</CODE><BR> Get an Enumeration with the properties of the current ProbabilityFunction.</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="../BayesianNetworks/ProbabilityFunction.html#get_position_from_indexes(int[])">get_position_from_indexes</A></B>(int[] variable_indexes)</CODE><BR> Get position in a function from a (possibly partial) instantiation of variables through the indexes.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.util.Vector</CODE></FONT></TD><TD><CODE><B><A HREF="../BayesianNetworks/ProbabilityFunction.html#get_properties()">get_properties</A></B>()</CODE><BR> Get the properties of the current ProbabilityFunction.</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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