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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 15:29:51 NZDT 2005 --><TITLE>DataGenerator</TITLE><META NAME="keywords" CONTENT="weka.gui.boundaryvisualizer.DataGenerator interface"><LINK REL ="stylesheet" TYPE="text/css" HREF="../../../stylesheet.css" TITLE="Style"><SCRIPT type="text/javascript">function windowTitle(){ parent.document.title="DataGenerator";}</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" 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OF TOP NAVBAR ========= --><HR><!-- ======== START OF CLASS DATA ======== --><H2><FONT SIZE="-1">weka.gui.boundaryvisualizer</FONT><BR>Interface DataGenerator</H2><DL><DT><B>All Known Implementing Classes:</B> <DD><A HREF="../../../weka/gui/boundaryvisualizer/KDDataGenerator.html" title="class in weka.gui.boundaryvisualizer">KDDataGenerator</A></DD></DL><HR><DL><DT>public interface <B>DataGenerator</B></DL><P>Interface to something that can generate new instances based on a set of input instances<P><P><DL><DT><B>Since:</B></DT> <DD>1.0</DD><DT><B>Version:</B></DT> <DD>$Revision: 1.3 $</DD><DT><B>Author:</B></DT> <DD><a href="mailto:mhall@cs.waikato.ac.nz">Mark Hall</a></DD></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> void</CODE></FONT></TD><TD><CODE><B><A HREF="../../../weka/gui/boundaryvisualizer/DataGenerator.html#buildGenerator(weka.core.Instances)">buildGenerator</A></B>(<A HREF="../../../weka/core/Instances.html" title="class in weka.core">Instances</A> inputInstances)</CODE><BR> Build the data generator</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/gui/boundaryvisualizer/DataGenerator.html#generateInstances(int[])">generateInstances</A></B>(int[] indices)</CODE><BR> Generate an instance.</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/gui/boundaryvisualizer/DataGenerator.html#getNumGeneratingModels()">getNumGeneratingModels</A></B>()</CODE><BR> Returns the number of generating models used by this DataGenerator</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/gui/boundaryvisualizer/DataGenerator.html#getWeights()">getWeights</A></B>()</CODE><BR> Get weights</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/gui/boundaryvisualizer/DataGenerator.html#setSeed(int)">setSeed</A></B>(int seed)</CODE><BR> Set a seed for random number generation (if needed).</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/gui/boundaryvisualizer/DataGenerator.html#setWeightingDimensions(boolean[])">setWeightingDimensions</A></B>(boolean[] dimensions)</CODE><BR> Set the dimensions to be used in computing a weight for each instance generated</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/gui/boundaryvisualizer/DataGenerator.html#setWeightingValues(double[])">setWeightingValues</A></B>(double[] vals)</CODE><BR> Set the values of the dimensions (chosen via setWeightingDimensions) to be used when computing instance weights</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="buildGenerator(weka.core.Instances)"><!-- --></A><H3>buildGenerator</H3><PRE>public void <B>buildGenerator</B>(<A HREF="../../../weka/core/Instances.html" title="class in weka.core">Instances</A> inputInstances) throws java.lang.Exception</PRE><DL><DD>Build the data generator<P><DD><DL><DT><B>Parameters:</B><DD><CODE>inputInstances</CODE> - Instances to build the generator from<DT><B>Throws:</B><DD><CODE>java.lang.Exception</CODE> - if an error occurs</DL></DD></DL><HR><A NAME="generateInstances(int[])"><!-- --></A><H3>generateInstances</H3><PRE>public double[][] <B>generateInstances</B>(int[] indices) throws java.lang.Exception</PRE><DL><DD>Generate an instance. Should return a new Instance object<P><DD><DL><DT><B>Returns:</B><DD>an <code>Instance</code> value<DT><B>Throws:</B><DD><CODE>java.lang.Exception</CODE> - if an error occurs</DL></DD></DL><HR><A NAME="getWeights()"><!-- --></A><H3>getWeights</H3><PRE>public double[] <B>getWeights</B>() throws java.lang.Exception</PRE><DL><DD>Get weights<P><DD><DL><DT><B>Throws:</B><DD><CODE>java.lang.Exception</CODE></DL></DD></DL><HR><A NAME="setWeightingDimensions(boolean[])"><!-- --></A><H3>setWeightingDimensions</H3><PRE>public void <B>setWeightingDimensions</B>(boolean[] dimensions)</PRE><DL><DD>Set the dimensions to be used in computing a weight for each instance generated<P><DD><DL><DT><B>Parameters:</B><DD><CODE>dimensions</CODE> - an array of booleans specifying the dimensions to be used when computing instance weights</DL></DD></DL><HR><A NAME="setWeightingValues(double[])"><!-- --></A><H3>setWeightingValues</H3><PRE>public void <B>setWeightingValues</B>(double[] vals)</PRE><DL><DD>Set the values of the dimensions (chosen via setWeightingDimensions) to be used when computing instance weights<P><DD><DL><DT><B>Parameters:</B><DD><CODE>vals</CODE> - a <code>double[]</code> value</DL></DD></DL><HR><A NAME="getNumGeneratingModels()"><!-- --></A><H3>getNumGeneratingModels</H3><PRE>public int <B>getNumGeneratingModels</B>()</PRE><DL><DD>Returns the number of generating models used by this DataGenerator<P><DD><DL><DT><B>Returns:</B><DD>an <code>int</code> value</DL></DD></DL><HR><A NAME="setSeed(int)"><!-- --></A><H3>setSeed</H3><PRE>public void <B>setSeed</B>(int seed)</PRE><DL><DD>Set a seed for random number generation (if needed).<P><DD><DL><DT><B>Parameters:</B><DD><CODE>seed</CODE> - an <code>int</code> value</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 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="../../../../Tutorial.pdf"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A> </TD> <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1"> <A HREF="http://www.cs.waikato.ac.nz/ml/weka/index.html"><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"> PREV CLASS NEXT CLASS</FONT></TD><TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2"> <A HREF="../../../index.html" target="_top"><B>FRAMES</B></A> <A HREF="DataGenerator.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 | CONSTR | <A HREF="#method_summary">METHOD</A></FONT></TD><TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">DETAIL: FIELD | CONSTR | <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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