📄 bntools.html
字号:
<!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-beta2) on Tue Jun 22 21:55:00 EDT 2004 --><TITLE>BNTools (jBNC - Bayesian Network Classifiers Toolbox API)</TITLE><META NAME="keywords" CONTENT="jbnc.util.BNTools class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="BNTools (jBNC - Bayesian Network Classifiers Toolbox API)";}</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> </TR></TABLE></TD><TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM>jBNC Toolbox</EM></TD></TR><TR><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../jbnc/util/BNCTester.Result.html" title="class in jbnc.util"><B>PREV CLASS</B></A> <A HREF="../../jbnc/util/CondMutualInfo.html" title="class in jbnc.util"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../index.html?jbnc/util/BNTools.html" target="_top"><B>FRAMES</B></A> <A HREF="BNTools.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">jbnc.util</FONT><BR>Class BNTools</H2><PRE>java.lang.Object <IMG SRC="../../resources/inherit.gif" ALT="extended by "><B>jbnc.util.BNTools</B></PRE><HR><DL><DT><PRE>public final class <B>BNTools</B><DT>extends java.lang.Object</DL></PRE><P>Utilities for Bayesian networks.<P><P><DL><DT><B>Since:</B></DT> <DD>June 1, 1999</DD><DT><B>Author:</B></DT> <DD>Jarek Sacha</DD></DL><HR><P><!-- =========== FIELD SUMMARY =========== --><A NAME="field_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>Field Summary</B></FONT></TH></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="../../jbnc/util/BNTools.html#beta_ijk">beta_ijk</A></B></CODE><BR> A some small value larger than zero.</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"><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="../../jbnc/util/BNTools.html#BNTools()">BNTools</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 double</CODE></FONT></TD><TD><CODE><B><A HREF="../../jbnc/util/BNTools.html#gammaLn(double)">gammaLn</A></B>(double xx)</CODE><BR> Returns the value ln[ gamma(xx)] for xx > 0 Implementation based on W.H.</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="../../jbnc/util/BNTools.html#getASBMParamComponent(BayesianNetworks.BayesNet, jbnc.dataset.DatasetInt, boolean, double)">getASBMParamComponent</A></B>(BayesianNetworks.BayesNet net, <A HREF="../../jbnc/dataset/DatasetInt.html" title="class in jbnc.dataset">DatasetInt</A> dataset, boolean usePriors, double alphaK)</CODE><BR> Return network parameters component of the asymptotic standard Bayesian measure (ASBM).</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="../../jbnc/util/BNTools.html#getNetworkDimension(BayesianNetworks.BayesNet)">getNetworkDimension</A></B>(BayesianNetworks.BayesNet net)</CODE><BR> Returns dimension of a Bayesian network.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected static InferenceGraphs.InferenceGraphNode[]</CODE></FONT></TD><TD><CODE><B><A HREF="../../jbnc/util/BNTools.html#getNodes(jbnc.dataset.Dataset, InferenceGraphs.InferenceGraph)">getNodes</A></B>(<A HREF="../../jbnc/dataset/Dataset.html" title="class in jbnc.dataset">Dataset</A> dataset, InferenceGraphs.InferenceGraph graph)</CODE><BR> Get node names from a graph in an order they appear in the dataset.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>protected static void</CODE></FONT></TD><TD><CODE><B><A HREF="../../jbnc/util/BNTools.html#learnParameters_old(BayesianNetworks.BayesNet, jbnc.dataset.Dataset, boolean, double)">learnParameters_old</A></B>(BayesianNetworks.BayesNet net, <A HREF="../../jbnc/dataset/Dataset.html" title="class in jbnc.dataset">Dataset</A> data, boolean useDirihlet, double alphaK)</CODE><BR> Learns parameters for the current network structure.</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="../../jbnc/util/BNTools.html#learnParameters(BayesianNetworks.BayesNet, jbnc.dataset.DatasetInt, boolean, double)">learnParameters</A></B>(BayesianNetworks.BayesNet net, <A HREF="../../jbnc/dataset/DatasetInt.html" title="class in jbnc.dataset">DatasetInt</A> data, boolean useDirihlet, double alphaK)</CODE><BR> Learns parameters for the current network structure.</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="../../jbnc/util/BNTools.html#learnParameters(BayesianNetworks.BayesNet, jbnc.util.FrequencyCalc, boolean, double)">learnParameters</A></B>(BayesianNetworks.BayesNet net, <A HREF="../../jbnc/util/FrequencyCalc.html" title="class in jbnc.util">FrequencyCalc</A> fc, boolean useDirihlet, double alphaK)</CODE><BR> Learns parameters for the current network structure.</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="../../jbnc/util/BNTools.html#main(java.lang.String[])">main</A></B>(java.lang.String[] args)</CODE><BR> Description of the Method</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>clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait</CODE></TD></TR></TABLE> <P><!-- ============ FIELD DETAIL =========== --><A NAME="field_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>Field Detail</B></FONT></TH></TR></TABLE><A NAME="beta_ijk"><!-- --></A><H3>beta_ijk</H3><PRE>public static final double <B>beta_ijk</B></PRE><DL><DD>A some small value larger than zero.<P><DL><DT><B>See Also:</B><DD><A HREF="../../constant-values.html#jbnc.util.BNTools.beta_ijk">Constant Field Values</A></DL></DL><!-- ========= CONSTRUCTOR DETAIL ======== --><A NAME="constructor_detail"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">⌨️ 快捷键说明
复制代码
Ctrl + C
搜索代码
Ctrl + F
全屏模式
F11
切换主题
Ctrl + Shift + D
显示快捷键
?
增大字号
Ctrl + =
减小字号
Ctrl + -