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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 15:27:54 NZDT 2005 --><TITLE>Test</TITLE><META NAME="keywords" CONTENT="weka.datagenerators.Test class"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="Test";}</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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NAME="skip-navbar_top"></A><!-- ========= END OF TOP NAVBAR ========= --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">weka.datagenerators</FONT><BR>Class Test</H2><PRE>java.lang.Object <IMG SRC="../../resources/inherit.gif" ALT="extended by"><B>weka.datagenerators.Test</B></PRE><DL><DT><B>All Implemented Interfaces:</B> <DD>java.io.Serializable</DD></DL><HR><DL><DT>public class <B>Test</B><DT>extends java.lang.Object<DT>implements java.io.Serializable</DL><P>Class to represent a test.<br><br> The string representation of the test can be supplied in standard notation or for a subset of types of attributes in Prolog notation.<br> Following examples for all possible tests that can be represented by this class, given in standard notation.<br><br> Examples of tests for numeric attributes:<br> B >= 2.333<br> B < 4.56<br><br> Examples of tests for nominal attributes with more then 2 values:<br> A = rain <br> A != rain<br><br> Examples of tests for nominal attribute with exactly 2 values:<br> A = false <br> A = true<br><br><br> The Prolog notation is only supplied for numeric attributes and for nominal attributes that have the values "true" and "false".<br> <br> Following examples for the Prolog notation provided.<br><br> Examples of tests for numeric attributes:<br> The same as for standard notation above.<br><br> Examples of tests for nominal attributes with values "true"and "false":<br> A<br> not(A)<br><br> (Other nominal attributes are not supported by the Prolog notation.)<br><br><P><P><DL><DT><B>Version:</B></DT> <DD>$Revision: 1.1 $</DD><DT><B>Author:</B></DT> <DD>Gabi Schmidberger (gabi@cs.waikato.ac.nz)</DD><DT><B>See Also:</B><DD><A HREF="../../serialized-form.html#weka.datagenerators.Test">Serialized Form</A></DL><HR><P><!-- ======== NESTED CLASS SUMMARY ======== --><!-- =========== FIELD SUMMARY =========== --><!-- ======== CONSTRUCTOR SUMMARY ======== --><!-- ========== 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/datagenerators/Test.html#equalTo(weka.datagenerators.Test)">equalTo</A></B>(<A HREF="../../weka/datagenerators/Test.html" title="class in weka.datagenerators">Test</A> t)</CODE><BR> Compares the test with the test that is given as parameter.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> <A HREF="../../weka/datagenerators/Test.html" title="class in weka.datagenerators">Test</A></CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/datagenerators/Test.html#getNot()">getNot</A></B>()</CODE><BR> Negates the test.</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/datagenerators/Test.html#passesTest(weka.core.Instance)">passesTest</A></B>(<A HREF="../../weka/core/Instance.html" title="class in weka.core">Instance</A> inst)</CODE><BR> Determines whether an instance passes the test.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/datagenerators/Test.html#toPrologString()">toPrologString</A></B>()</CODE><BR> Returns the test represented by a string in Prolog notation.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> java.lang.String</CODE></FONT></TD><TD><CODE><B><A HREF="../../weka/datagenerators/Test.html#toString()">toString</A></B>()</CODE><BR> Returns the test represented by a string.</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"><TD><B>Methods inherited from class java.lang.Object</B></TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD><CODE>equals, getClass, hashCode, notify, notifyAll, wait, wait, wait</CODE></TD></TR></TABLE> <P><!-- ============ FIELD DETAIL =========== --><!-- ========= CONSTRUCTOR DETAIL ======== --><!-- ============ METHOD DETAIL ========== --><A NAME="method_detail"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TD COLSPAN=1><FONT SIZE="+2"><B>Method Detail</B></FONT></TD></TR></TABLE><A NAME="getNot()"><!-- --></A><H3>getNot</H3><PRE>public <A HREF="../../weka/datagenerators/Test.html" title="class in weka.datagenerators">Test</A> <B>getNot</B>()</PRE><DL><DD>Negates the test.<P><DD><DL></DL></DD><DD><DL><DT><B>Returns:</B><DD>the test itself negated</DL></DD></DL><HR><A NAME="passesTest(weka.core.Instance)"><!-- --></A><H3>passesTest</H3><PRE>public boolean <B>passesTest</B>(<A HREF="../../weka/core/Instance.html" title="class in weka.core">Instance</A> inst) throws java.lang.Exception</PRE><DL><DD>Determines whether an instance passes the test.<P><DD><DL></DL></DD><DD><DL><DT><B>Parameters:</B><DD><CODE>inst</CODE> - the instance<DT><B>Returns:</B><DD>true if the instance satisfies the test, false otherwise<DT><B>Throws:</B><DD><CODE>java.lang.Exception</CODE> - if something goes wrong</DL></DD></DL><HR><A NAME="toString()"><!-- --></A><H3>toString</H3><PRE>public java.lang.String <B>toString</B>()</PRE><DL><DD>Returns the test represented by a string.<P><DD><DL></DL></DD><DD><DL><DT><B>Returns:</B><DD>a string representing the test</DL></DD></DL><HR><A NAME="toPrologString()"><!-- --></A><H3>toPrologString</H3><PRE>public java.lang.String <B>toPrologString</B>()</PRE><DL><DD>Returns the test represented by a string in Prolog notation.<P><DD><DL></DL></DD><DD><DL><DT><B>Returns:</B><DD>a string representing the test in Prolog notation</DL></DD></DL><HR><A NAME="equalTo(weka.datagenerators.Test)"><!-- --></A><H3>equalTo</H3><PRE>public boolean <B>equalTo</B>(<A HREF="../../weka/datagenerators/Test.html" title="class in weka.datagenerators">Test</A> t)</PRE><DL><DD>Compares the test with the test that is given as parameter.<P><DD><DL></DL></DD><DD><DL><DT><B>Parameters:</B><DD><CODE>t</CODE> - the test the object is compared to<DT><B>Returns:</B><DD>true if the two Tests are equal</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=3 BGCOLOR="#EEEEFF" CLASS="NavBarCell1"><A 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