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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 16:34:46 NZDT 2007 --><TITLE>Rule</TITLE><META NAME="keywords" CONTENT="weka.classifiers.rules.Rule class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="Rule";}</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 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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">weka.classifiers.rules</FONT><BR>Class Rule</H2><PRE>java.lang.Object <IMG SRC="../../../resources/inherit.gif" ALT="extended by "><B>weka.classifiers.rules.Rule</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD>java.io.Serializable, <A HREF="../../../weka/core/Copyable.html" title="interface in weka.core">Copyable</A>, <A HREF="../../../weka/core/WeightedInstancesHandler.html" title="interface in weka.core">WeightedInstancesHandler</A></DD></DL><HR><DL><DT><PRE>public abstract class <B>Rule</B><DT>extends java.lang.Object<DT>implements <A HREF="../../../weka/core/WeightedInstancesHandler.html" title="interface in weka.core">WeightedInstancesHandler</A>, <A HREF="../../../weka/core/Copyable.html" title="interface in weka.core">Copyable</A>, java.io.Serializable</DL></PRE><P>Abstract class of generic rule<P><P><DL><DT><B>Version:</B></DT> <DD>$Revision: 1.5 $</DD><DT><B>Author:</B></DT> <DD>Xin Xu (xx5@cs.waikato.ac.nz)</DD><DT><B>See Also:</B><DD><A HREF="../../../serialized-form.html#weka.classifiers.rules.Rule">Serialized Form</A></DL><HR><P><!-- ======== 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="../../../weka/classifiers/rules/Rule.html#Rule()">Rule</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> java.lang.Object</CODE></FONT></TD><TD><CODE><B><A HREF="../../../weka/classifiers/rules/Rule.html#copy()">copy</A></B>()</CODE><BR> Get a shallow copy of this rule</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>abstract boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../weka/classifiers/rules/Rule.html#covers(weka.core.Instance)">covers</A></B>(<A HREF="../../../weka/core/Instance.html" title="class in weka.core">Instance</A> datum)</CODE><BR> Whether the instance covered by this rule</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>abstract double</CODE></FONT></TD><TD><CODE><B><A HREF="../../../weka/classifiers/rules/Rule.html#getConsequent()">getConsequent</A></B>()</CODE><BR> Get the consequent of this rule, i.e.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>abstract void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../weka/classifiers/rules/Rule.html#grow(weka.core.Instances)">grow</A></B>(<A HREF="../../../weka/core/Instances.html" title="class in weka.core">Instances</A> data)</CODE><BR> Build this rule</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>abstract boolean</CODE></FONT></TD><TD><CODE><B><A HREF="../../../weka/classifiers/rules/Rule.html#hasAntds()">hasAntds</A></B>()</CODE><BR> Whether this rule has antecedents, i.e.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE>abstract double</CODE></FONT></TD><TD><CODE><B><A HREF="../../../weka/classifiers/rules/Rule.html#size()">size</A></B>()</CODE><BR> The size of the rule.</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>equals, 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="Rule()"><!-- --></A><H3>Rule</H3><PRE>public <B>Rule</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="copy()"><!-- --></A><H3>copy</H3><PRE>public java.lang.Object <B>copy</B>()</PRE><DL><DD>Get a shallow copy of this rule<P><DD><DL><DT><B>Specified by:</B><DD><CODE><A HREF="../../../weka/core/Copyable.html#copy()">copy</A></CODE> in interface <CODE><A HREF="../../../weka/core/Copyable.html" title="interface in weka.core">Copyable</A></CODE></DL></DD><DD><DL><DT><B>Returns:</B><DD>the copy</DL></DD></DL><HR><A NAME="covers(weka.core.Instance)"><!-- --></A><H3>covers</H3><PRE>public abstract boolean <B>covers</B>(<A HREF="../../../weka/core/Instance.html" title="class in weka.core">Instance</A> datum)</PRE><DL><DD>Whether the instance covered by this rule<P><DD><DL></DL></DD><DD><DL><DT><B>Parameters:</B><DD><CODE>datum</CODE> - the instance in question<DT><B>Returns:</B><DD>the boolean value indicating whether the instance is covered by this rule</DL></DD></DL><HR><A NAME="grow(weka.core.Instances)"><!-- --></A><H3>grow</H3><PRE>public abstract void <B>grow</B>(<A HREF="../../../weka/core/Instances.html" title="class in weka.core">Instances</A> data) throws java.lang.Exception</PRE><DL><DD>Build this rule<P><DD><DL></DL></DD><DD><DL><DT><B>Parameters:</B><DD><CODE>data</CODE> - the data used to build the rule<DT><B>Throws:</B><DD><CODE>java.lang.Exception</CODE> - if rule cannot be built</DL></DD></DL><HR><A NAME="hasAntds()"><!-- --></A><H3>hasAntds</H3><PRE>public abstract boolean <B>hasAntds</B>()</PRE><DL><DD>Whether this rule has antecedents, i.e. whether it is a default rule<P><DD><DL></DL></DD><DD><DL><DT><B>Returns:</B><DD>the boolean value indicating whether the rule has antecedents</DL></DD></DL><HR><A NAME="getConsequent()"><!-- --></A><H3>getConsequent</H3><PRE>public abstract double <B>getConsequent</B>()</PRE><DL><DD>Get the consequent of this rule, i.e. the predicted class<P><DD><DL></DL></DD><DD><DL><DT><B>Returns:</B><DD>the consequent</DL></DD></DL><HR><A NAME="size()"><!-- --></A><H3>size</H3><PRE>public abstract double <B>size</B>()</PRE><DL><DD>The size of the rule. Could be number of antecedents in the case of conjunctive rule<P><DD><DL></DL></DD><DD><DL><DT><B>Returns:</B><DD>the size of the rule</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/classifiers/rules/Ridor.html" title="class in weka.classifiers.rules"><B>PREV CLASS</B></A> <A HREF="../../../weka/classifiers/rules/RuleStats.html" title="class in weka.classifiers.rules"><B>NEXT CLASS</B></A></FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../index.html?weka/classifiers/rules/Rule.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 | FIELD | <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_bottom"></A><!-- ======== END OF BOTTOM NAVBAR ======= --><HR></BODY></HTML>⌨️ 快捷键说明
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