em.html

由java开发的软件包

</DD>
</DL>
<HR>

<A NAME="getNumClusters()"><!-- --></A><H3>
getNumClusters</H3>
<PRE>
public int <B>getNumClusters</B>()</PRE>
<DL>
<DD>Get the number of clusters
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the number of clusters.</DL>
</DD>
</DL>
<HR>

<A NAME="maxIterationsTipText()"><!-- --></A><H3>
maxIterationsTipText</H3>
<PRE>
public java.lang.String <B>maxIterationsTipText</B>()</PRE>
<DL>
<DD>Returns the tip text for this property
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>tip text for this property suitable for
 displaying in the explorer/experimenter gui</DL>
</DD>
</DL>
<HR>

<A NAME="setMaxIterations(int)"><!-- --></A><H3>
setMaxIterations</H3>
<PRE>
public void <B>setMaxIterations</B>(int&nbsp;i)
                      throws java.lang.Exception</PRE>
<DL>
<DD>Set the maximum number of iterations to perform
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>i</CODE> - the number of iterations
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - if i is less than 1</DL>
</DD>
</DL>
<HR>

<A NAME="getMaxIterations()"><!-- --></A><H3>
getMaxIterations</H3>
<PRE>
public int <B>getMaxIterations</B>()</PRE>
<DL>
<DD>Get the maximum number of iterations
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the number of iterations</DL>
</DD>
</DL>
<HR>

<A NAME="setDebug(boolean)"><!-- --></A><H3>
setDebug</H3>
<PRE>
public void <B>setDebug</B>(boolean&nbsp;v)</PRE>
<DL>
<DD>Set debug mode - verbose output
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>v</CODE> - true for verbose output</DL>
</DD>
</DL>
<HR>

<A NAME="getDebug()"><!-- --></A><H3>
getDebug</H3>
<PRE>
public boolean <B>getDebug</B>()</PRE>
<DL>
<DD>Get debug mode
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>true if debug mode is set</DL>
</DD>
</DL>
<HR>

<A NAME="getOptions()"><!-- --></A><H3>
getOptions</H3>
<PRE>
public java.lang.String[] <B>getOptions</B>()</PRE>
<DL>
<DD>Gets the current settings of EM.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../weka/core/OptionHandler.html#getOptions()">getOptions</A></CODE> in interface <CODE><A HREF="../../weka/core/OptionHandler.html" title="interface in weka.core">OptionHandler</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>an array of strings suitable for passing to setOptions()</DL>
</DD>
</DL>
<HR>

<A NAME="getClusterModelsNumericAtts()"><!-- --></A><H3>
getClusterModelsNumericAtts</H3>
<PRE>
public double[][][] <B>getClusterModelsNumericAtts</B>()</PRE>
<DL>
<DD>Return the normal distributions for the cluster models
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>a <code>double[][][]</code> value</DL>
</DD>
</DL>
<HR>

<A NAME="getClusterPriors()"><!-- --></A><H3>
getClusterPriors</H3>
<PRE>
public double[] <B>getClusterPriors</B>()</PRE>
<DL>
<DD>Return the priors for the clusters
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>a <code>double[]</code> value</DL>
</DD>
</DL>
<HR>

<A NAME="toString()"><!-- --></A><H3>
toString</H3>
<PRE>
public java.lang.String <B>toString</B>()</PRE>
<DL>
<DD>Outputs the generated clusters into a string.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
</DL>
</DD>
</DL>
<HR>

<A NAME="numberOfClusters()"><!-- --></A><H3>
numberOfClusters</H3>
<PRE>
public int <B>numberOfClusters</B>()
                     throws java.lang.Exception</PRE>
<DL>
<DD>Returns the number of clusters.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../weka/clusterers/Clusterer.html#numberOfClusters()">numberOfClusters</A></CODE> in class <CODE><A HREF="../../weka/clusterers/Clusterer.html" title="class in weka.clusterers">Clusterer</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the number of clusters generated for a training dataset.
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - if number of clusters could not be returned
 successfully</DL>
</DD>
</DL>
<HR>

<A NAME="buildClusterer(weka.core.Instances)"><!-- --></A><H3>
buildClusterer</H3>
<PRE>
public void <B>buildClusterer</B>(<A HREF="../../weka/core/Instances.html" title="class in weka.core">Instances</A>&nbsp;data)
                    throws java.lang.Exception</PRE>
<DL>
<DD>Generates a clusterer. Has to initialize all fields of the clusterer
 that are not being set via options.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../weka/clusterers/Clusterer.html#buildClusterer(weka.core.Instances)">buildClusterer</A></CODE> in class <CODE><A HREF="../../weka/clusterers/Clusterer.html" title="class in weka.clusterers">Clusterer</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>data</CODE> - set of instances serving as training data
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - if the clusterer has not been 
 generated successfully</DL>
</DD>
</DL>
<HR>

<A NAME="clusterPriors()"><!-- --></A><H3>
clusterPriors</H3>
<PRE>
public double[] <B>clusterPriors</B>()</PRE>
<DL>
<DD>Returns the cluster priors.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../weka/clusterers/DensityBasedClusterer.html#clusterPriors()">clusterPriors</A></CODE> in class <CODE><A HREF="../../weka/clusterers/DensityBasedClusterer.html" title="class in weka.clusterers">DensityBasedClusterer</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the prior probability for each cluster</DL>
</DD>
</DL>
<HR>

<A NAME="logDensityPerClusterForInstance(weka.core.Instance)"><!-- --></A><H3>
logDensityPerClusterForInstance</H3>
<PRE>
public double[] <B>logDensityPerClusterForInstance</B>(<A HREF="../../weka/core/Instance.html" title="class in weka.core">Instance</A>&nbsp;inst)
                                         throws java.lang.Exception</PRE>
<DL>
<DD>Computes the log of the conditional density (per cluster) for a given instance.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../weka/clusterers/DensityBasedClusterer.html#logDensityPerClusterForInstance(weka.core.Instance)">logDensityPerClusterForInstance</A></CODE> in class <CODE><A HREF="../../weka/clusterers/DensityBasedClusterer.html" title="class in weka.clusterers">DensityBasedClusterer</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>inst</CODE> - the instance to compute the density for
<DT><B>Returns:</B><DD>the density.
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - if the density could not be computed
 successfully</DL>
</DD>
</DL>
<HR>

<A NAME="main(java.lang.String[])"><!-- --></A><H3>
main</H3>
<PRE>
public static void <B>main</B>(java.lang.String[]&nbsp;argv)</PRE>
<DL>
<DD>Main method for testing this class.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>argv</CODE> - should contain the following arguments: <p>
 -t training file [-T test file] [-N number of clusters] [-S random seed]</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>&nbsp;</TD>
  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="package-summary.html"><FONT CLASS="NavBarFont1"><B>Package</B></FONT></A>&nbsp;</TD>
  <TD BGCOLOR="#FFFFFF" CLASS="NavBarCell1Rev"> &nbsp;<FONT CLASS="NavBarFont1Rev"><B>Class</B></FONT>&nbsp;</TD>
  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="package-tree.html"><FONT CLASS="NavBarFont1"><B>Tree</B></FONT></A>&nbsp;</TD>
  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../deprecated-list.html"><FONT CLASS="NavBarFont1"><B>Deprecated</B></FONT></A>&nbsp;</TD>
  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../index-all.html"><FONT CLASS="NavBarFont1"><B>Index</B></FONT></A>&nbsp;</TD>
  <TD BGCOLOR="#EEEEFF" CLASS="NavBarCell1">    <A HREF="../../../Tutorial.pdf"><FONT CLASS="NavBarFont1"><B>Help</B></FONT></A>&nbsp;</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>&nbsp;</TD>
  </TR>
</TABLE>
</TD>
<TD ALIGN="right" VALIGN="top" ROWSPAN=3><EM>
</EM>
</TD>
</TR>

<TR>
<TD BGCOLOR="white" CLASS="NavBarCell2"><FONT SIZE="-2">
&nbsp;<A HREF="../../weka/clusterers/DensityBasedClusterer.html" title="class in weka.clusterers"><B>PREV CLASS</B></A>&nbsp;
&nbsp;<A HREF="../../weka/clusterers/FarthestFirst.html" title="class in weka.clusterers"><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>  &nbsp;
&nbsp;<A HREF="EM.html" target="_top"><B>NO FRAMES</B></A>  &nbsp;
&nbsp;<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:&nbsp;NESTED&nbsp;|&nbsp;FIELD&nbsp;|&nbsp;<A HREF="#constructor_summary">CONSTR</A>&nbsp;|&nbsp;<A HREF="#method_summary">METHOD</A></FONT></TD>
<TD VALIGN="top" CLASS="NavBarCell3"><FONT SIZE="-2">
DETAIL:&nbsp;FIELD&nbsp;|&nbsp;<A HREF="#constructor_detail">CONSTR</A>&nbsp;|&nbsp;<A HREF="#method_detail">METHOD</A></FONT></TD>
</TR>
</TABLE>
<A NAME="skip-navbar_bottom"></A>
<!-- ======== END OF BOTTOM NAVBAR ======= -->

<HR>

</BODY>
</HTML>