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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-beta2) on Tue Jun 22 21:55:03 EDT 2004 --><TITLE>TANInducer (jBNC - Bayesian Network Classifiers Toolbox API)</TITLE><META NAME="keywords" CONTENT="jbnc.inducers.TANInducer class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="TANInducer (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/inducers/STANInducer.html" title="class in jbnc.inducers"><B>PREV CLASS</B></A> NEXT CLASS</FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../index.html?jbnc/inducers/TANInducer.html" target="_top"><B>FRAMES</B></A> <A HREF="TANInducer.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: <A HREF="#nested_classes_inherited_from_class_jbnc.inducers.BayesianInducer">NESTED</A> | <A HREF="#fields_inherited_from_class_jbnc.inducers.BayesianInducer">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: 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">jbnc.inducers</FONT><BR>Class TANInducer</H2><PRE>java.lang.Object <IMG SRC="../../resources/inherit.gif" ALT="extended by "><A HREF="../../jbnc/inducers/BayesianInducer.html" title="class in jbnc.inducers">jbnc.inducers.BayesianInducer</A> <IMG SRC="../../resources/inherit.gif" ALT="extended by "><B>jbnc.inducers.TANInducer</B></PRE><HR><DL><DT><PRE>public class <B>TANInducer</B><DT>extends <A HREF="../../jbnc/inducers/BayesianInducer.html" title="class in jbnc.inducers">BayesianInducer</A></DL></PRE><P>Constructs Tree Augmented naive-Bayes classifier (TAN).<br> <br> Friedman N, Geiger D, Goldszmidt M. "Bayesian Network Classifiers". <i> Machine Learning</i> , vol.29, issue 2/3, November 1997, pp.131-163.<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><!-- ======== NESTED CLASS SUMMARY ======== --><A NAME="nested_class_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>Nested Class Summary</B></FONT></TH></TR></TABLE> <A NAME="nested_classes_inherited_from_class_jbnc.inducers.BayesianInducer"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TH ALIGN="left"><B>Nested classes/interfaces inherited from class jbnc.inducers.<A HREF="../../jbnc/inducers/BayesianInducer.html" title="class in jbnc.inducers">BayesianInducer</A></B></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../jbnc/inducers/BayesianInducer.NetLayout.html" title="class in jbnc.inducers">BayesianInducer.NetLayout</A></CODE></TD></TR></TABLE> <!-- =========== 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></TABLE> <A NAME="fields_inherited_from_class_jbnc.inducers.BayesianInducer"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TH ALIGN="left"><B>Fields inherited from class jbnc.inducers.<A HREF="../../jbnc/inducers/BayesianInducer.html" title="class in jbnc.inducers">BayesianInducer</A></B></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../jbnc/inducers/BayesianInducer.html#debugMode">debugMode</A>, <A HREF="../../jbnc/inducers/BayesianInducer.html#DEFAULT_APLHA_IJK">DEFAULT_APLHA_IJK</A>, <A HREF="../../jbnc/inducers/BayesianInducer.html#layout">layout</A>, <A HREF="../../jbnc/inducers/BayesianInducer.html#net">net</A>, <A HREF="../../jbnc/inducers/BayesianInducer.html#qualityMeasure">qualityMeasure</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"><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/inducers/TANInducer.html#TANInducer()">TANInducer</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 void</CODE></FONT></TD><TD><CODE><B><A HREF="../../jbnc/inducers/TANInducer.html#main(java.lang.String[])">main</A></B>(java.lang.String[] arg)</CODE><BR> Used for testing of the TAN algorithm.</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="../../jbnc/inducers/TANInducer.html#train(jbnc.util.FrequencyCalc, boolean, double)">train</A></B>(<A HREF="../../jbnc/util/FrequencyCalc.html" title="class in jbnc.util">FrequencyCalc</A> fc, boolean usePriors, double alpha_ijk)</CODE><BR> Construct TAN network from the training data</TD></TR></TABLE> <A NAME="methods_inherited_from_class_jbnc.inducers.BayesianInducer"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#EEEEFF" CLASS="TableSubHeadingColor"><TH ALIGN="left"><B>Methods inherited from class jbnc.inducers.<A HREF="../../jbnc/inducers/BayesianInducer.html" title="class in jbnc.inducers">BayesianInducer</A></B></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><A HREF="../../jbnc/inducers/BayesianInducer.html#clean()">clean</A>, <A HREF="../../jbnc/inducers/BayesianInducer.html#getDebugMode()">getDebugMode</A>, <A HREF="../../jbnc/inducers/BayesianInducer.html#getNetwork()">getNetwork</A>, <A HREF="../../jbnc/inducers/BayesianInducer.html#getQualityMeasure()">getQualityMeasure</A>, <A HREF="../../jbnc/inducers/BayesianInducer.html#reset()">reset</A>, <A HREF="../../jbnc/inducers/BayesianInducer.html#setDebugMode(boolean)">setDebugMode</A>, <A HREF="../../jbnc/inducers/BayesianInducer.html#setQualityMeasure(jbnc.measures.QualityMeasure)">setQualityMeasure</A>, <A HREF="../../jbnc/inducers/BayesianInducer.html#train(jbnc.util.FrequencyCalc)">train</A>, <A HREF="../../jbnc/inducers/BayesianInducer.html#verifyDataset(jbnc.dataset.DatasetInt)">verifyDataset</A></CODE></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><!-- ========= CONSTRUCTOR DETAIL ======== --><A NAME="constructor_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>Constructor Detail</B></FONT></TH></TR></TABLE><A NAME="TANInducer()"><!-- --></A><H3>TANInducer</H3><PRE>public <B>TANInducer</B>()</PRE><DL></DL><!-- ============ 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="main(java.lang.String[])"><!-- --></A><H3>main</H3><PRE>public static void <B>main</B>(java.lang.String[] arg)</PRE><DL><DD>Used for testing of the TAN algorithm.<P><DD><DL><DT><B>Parameters:</B><DD><CODE>arg</CODE> - The command line arguments</DL></DD></DL><HR><A NAME="train(jbnc.util.FrequencyCalc, boolean, double)"><!-- --></A><H3>train</H3><PRE>public void <B>train</B>(<A HREF="../../jbnc/util/FrequencyCalc.html" title="class in jbnc.util">FrequencyCalc</A> fc, boolean usePriors, double alpha_ijk) throws java.lang.Exception</PRE><DL><DD>Construct TAN network from the training data<P><DD><DL><DT><B>Specified by:</B><DD><CODE><A HREF="../../jbnc/inducers/BayesianInducer.html#train(jbnc.util.FrequencyCalc, boolean, double)">train</A></CODE> in class <CODE><A HREF="../../jbnc/inducers/BayesianInducer.html" title="class in jbnc.inducers">BayesianInducer</A></CODE></DL></DD><DD><DL><DT><B>Parameters:</B><DD><CODE>fc</CODE> - Description of Parameter<DD><CODE>usePriors</CODE> - Description of Parameter<DD><CODE>alpha_ijk</CODE> - Description of Parameter<DT><B>Throws:</B><DD><CODE>java.lang.Exception</CODE> - Description of Exception</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" 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