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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_05) on Mon Mar 07 15:27:07 NZDT 2005 --><TITLE>Rule</TITLE><META NAME="keywords" CONTENT="weka.associations.tertius.Rule class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="Rule";}</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 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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/associations/tertius/Predicate.html" title="class in weka.associations.tertius"><B>PREV CLASS</B></A> <A HREF="../../../weka/associations/tertius/SimpleLinkedList.html" title="class in weka.associations.tertius"><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="Rule.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">weka.associations.tertius</FONT><BR>Class Rule</H2><PRE>java.lang.Object <IMG SRC="../../../resources/inherit.gif" ALT="extended by"><B>weka.associations.tertius.Rule</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD>java.lang.Cloneable, java.io.Serializable</DD></DL><HR><DL><DT>public class <B>Rule</B><DT>extends java.lang.Object<DT>implements java.io.Serializable, java.lang.Cloneable</DL><P>Class representing a rule with a body and a head.<P><P><DL><DT><B>Author:</B></DT> <DD><a href="mailto:adeltour@netcourrier.com">Amelie Deltour</a></DD><DT><B>See Also:</B><DD><A HREF="../../../serialized-form.html#weka.associations.tertius.Rule">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>static java.util.Comparator</CODE></FONT></TD><TD><CODE><B><A HREF="../../../weka/associations/tertius/Rule.html#confirmationComparator">confirmationComparator</A></B></CODE><BR> Comparator used to compare two rules according to their confirmation value.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static java.util.Comparator</CODE></FONT></TD><TD><CODE><B><A HREF="../../../weka/associations/tertius/Rule.html#confirmationThenObservedComparator">confirmationThenObservedComparator</A></B></CODE><BR> Comparator used to compare two rules according to their confirmation and then their observed number of counter-instances.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static java.util.Comparator</CODE></FONT></TD><TD><CODE><B><A HREF="../../../weka/associations/tertius/Rule.html#observedComparator">observedComparator</A></B></CODE><BR> Comparator used to compare two rules according to their observed number of counter-instances.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static java.util.Comparator</CODE></FONT></TD><TD><CODE><B><A HREF="../../../weka/associations/tertius/Rule.html#optimisticComparator">optimisticComparator</A></B></CODE><BR> Comparator used to compare two rules according to their optimistic estimate.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>static java.util.Comparator</CODE></FONT></TD><TD><CODE><B><A HREF="../../../weka/associations/tertius/Rule.html#optimisticThenObservedComparator">optimisticThenObservedComparator</A></B></CODE><BR> Comparator used to compare two rules according to their optimistic estimate and then their observed number of counter-instances.</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="../../../weka/associations/tertius/Rule.html#Rule(boolean, int, boolean, boolean, boolean, boolean)">Rule</A></B>(boolean repeatPredicate, int maxLiterals, boolean negBody, boolean negHead, boolean classRule, boolean horn)</CODE><BR> Constructor for a rule when the counter-instances are not stored, giving all the constraints applied to this rule.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE><B><A HREF="../../../weka/associations/tertius/Rule.html#Rule(weka.core.Instances, boolean, int, boolean, boolean, boolean, boolean)">Rule</A></B>(<A HREF="../../../weka/core/Instances.html" title="class in weka.core">Instances</A> instances, boolean repeatPredicate, int maxLiterals, boolean negBody, boolean negHead, boolean classRule, boolean horn)</CODE><BR> Constructor for a rule when the counter-instances are stored, giving all the constraints applied to this rule.</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> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../weka/associations/tertius/Rule.html#bodyContains(weka.associations.tertius.Literal)">bodyContains</A></B>(<A HREF="../../../weka/associations/tertius/Literal.html" title="class in weka.associations.tertius">Literal</A> lit)</CODE><BR> Test if the body of the rule contains a literal.</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="../../../weka/associations/tertius/Rule.html#calculateConfirmation()">calculateConfirmation</A></B>()</CODE><BR> Calculate the confirmation of this rule.</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="../../../weka/associations/tertius/Rule.html#calculateOptimistic()">calculateOptimistic</A></B>()</CODE><BR> Calculate the optimistic estimate of this rule.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.Object</CODE></FONT></TD><TD><CODE><B><A HREF="../../../weka/associations/tertius/Rule.html#clone()">clone</A></B>()</CODE><BR> Returns a shallow copy of this rule.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../weka/associations/tertius/Rule.html#counterInstance(weka.core.Instance)">counterInstance</A></B>(<A HREF="../../../weka/core/Instance.html" title="class in weka.core">Instance</A> instance)</CODE><BR> Test if an instance is a counter-instance of this rule.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../weka/associations/tertius/Rule.html#equivalentTo(weka.associations.tertius.Rule)">equivalentTo</A></B>(<A HREF="../../../weka/associations/tertius/Rule.html" title="class in weka.associations.tertius">Rule</A> otherRule)</CODE><BR> Test if this rule is equivalent to another rule.</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/associations/tertius/Rule.html#getConfirmation()">getConfirmation</A></B>()</CODE><BR> Get the confirmation value of this rule.</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/associations/tertius/Rule.html#getExpectedFrequency()">getExpectedFrequency</A></B>()</CODE><BR> Get the expected frequency of counter-instances of this rule.</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/associations/tertius/Rule.html#getExpectedNumber()">getExpectedNumber</A></B>()</CODE><BR> </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/associations/tertius/Rule.html#getFPRate()">getFPRate</A></B>()</CODE><BR> Get the rate of False Positive instances of this rule.</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/associations/tertius/Rule.html#getObservedFrequency()">getObservedFrequency</A></B>()</CODE><BR> Get the observed frequency of counter-instances of this rule in the dataset.</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="../../../weka/associations/tertius/Rule.html#getObservedNumber()">getObservedNumber</A></B>()</CODE><BR> Get the observed number of counter-instances of this rule in the dataset.</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/associations/tertius/Rule.html#getOptimistic()">getOptimistic</A></B>()</CODE><BR> Get the optimistic estimate of the confirmation obtained by refining this rule.</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/associations/tertius/Rule.html#getTPRate()">getTPRate</A></B>()</CODE><BR> Get the rate of True Positive instances of this rule.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../weka/associations/tertius/Rule.html#hasFalseHead()">hasFalseHead</A></B>()</CODE><BR> Test if the head of the rule is false.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../weka/associations/tertius/Rule.html#hasTrueBody()">hasTrueBody</A></B>()</CODE><BR> Test if the body of the rule is true.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../weka/associations/tertius/Rule.html#headContains(weka.associations.tertius.Literal)">headContains</A></B>(<A HREF="../../../weka/associations/tertius/Literal.html" title="class in weka.associations.tertius">Literal</A> lit)</CODE><BR> Test if the head of the rule contains a literal.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../weka/associations/tertius/Rule.html#isEmpty()">isEmpty</A></B>()</CODE><BR> Test if this rule is empty.</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="../../../weka/associations/tertius/Rule.html#numLiterals()">numLiterals</A></B>()</CODE><BR> Give the number of literals in this rule.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor">⌨️ 快捷键说明
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