filteredsubseteval.html

数据挖掘的最常用工具。由于开源

</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the capabilities of this evaluator.<DT><B>See Also:</B><DD><A HREF="../../weka/core/Capabilities.html" title="class in weka.core"><CODE>Capabilities</CODE></A></DL>
</DD>
</DL>
<HR>

<A NAME="globalInfo()"><!-- --></A><H3>
globalInfo</H3>
<PRE>
public java.lang.String <B>globalInfo</B>()</PRE>
<DL>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>a description of the evaluator suitable for
 displaying in the explorer/experimenter gui</DL>
</DD>
</DL>
<HR>

<A NAME="listOptions()"><!-- --></A><H3>
listOptions</H3>
<PRE>
public java.util.Enumeration <B>listOptions</B>()</PRE>
<DL>
<DD>Returns an enumeration describing the available options.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../weka/core/OptionHandler.html#listOptions()">listOptions</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 enumeration of all the available options.</DL>
</DD>
</DL>
<HR>

<A NAME="setOptions(java.lang.String[])"><!-- --></A><H3>
setOptions</H3>
<PRE>
public void <B>setOptions</B>(java.lang.String[]&nbsp;options)
                throws java.lang.Exception</PRE>
<DL>
<DD>Parses a given list of options. <p/>

   <!-- options-start -->
 Valid options are: <p/>
 
 <pre> -W &lt;evaluator specification&gt;
  Full name of base evaluator to use, followed by evaluator options.
  eg: "weka.attributeSelection.CfsSubsetEval -L"</pre>
 
 <pre> -F &lt;filter specification&gt;
  Full class name of filter to use, followed
  by filter options.
  eg: "weka.filters.supervised.instance.SpreadSubsample -M 1"</pre>
 
   <!-- options-end -->
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../weka/core/OptionHandler.html#setOptions(java.lang.String[])">setOptions</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>Parameters:</B><DD><CODE>options</CODE> - the list of options as an array of strings
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - if an option is not supported</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 the subset evaluator.
<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="subsetEvaluatorTipText()"><!-- --></A><H3>
subsetEvaluatorTipText</H3>
<PRE>
public java.lang.String <B>subsetEvaluatorTipText</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="setSubsetEvaluator(weka.attributeSelection.ASEvaluation)"><!-- --></A><H3>
setSubsetEvaluator</H3>
<PRE>
public void <B>setSubsetEvaluator</B>(<A HREF="../../weka/attributeSelection/ASEvaluation.html" title="class in weka.attributeSelection">ASEvaluation</A>&nbsp;newEvaluator)</PRE>
<DL>
<DD>Set the subset evaluator to use
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>newEvaluator</CODE> - the subset evaluator to use</DL>
</DD>
</DL>
<HR>

<A NAME="getSubsetEvaluator()"><!-- --></A><H3>
getSubsetEvaluator</H3>
<PRE>
public <A HREF="../../weka/attributeSelection/ASEvaluation.html" title="class in weka.attributeSelection">ASEvaluation</A> <B>getSubsetEvaluator</B>()</PRE>
<DL>
<DD>Get the subset evaluator to use
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the subset evaluator to use</DL>
</DD>
</DL>
<HR>

<A NAME="filterTipText()"><!-- --></A><H3>
filterTipText</H3>
<PRE>
public java.lang.String <B>filterTipText</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="setFilter(weka.filters.Filter)"><!-- --></A><H3>
setFilter</H3>
<PRE>
public void <B>setFilter</B>(<A HREF="../../weka/filters/Filter.html" title="class in weka.filters">Filter</A>&nbsp;newFilter)</PRE>
<DL>
<DD>Set the filter to use
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>newFilter</CODE> - the filter to use</DL>
</DD>
</DL>
<HR>

<A NAME="getFilter()"><!-- --></A><H3>
getFilter</H3>
<PRE>
public <A HREF="../../weka/filters/Filter.html" title="class in weka.filters">Filter</A> <B>getFilter</B>()</PRE>
<DL>
<DD>Get the filter to use
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the filter to use</DL>
</DD>
</DL>
<HR>

<A NAME="getRevision()"><!-- --></A><H3>
getRevision</H3>
<PRE>
public java.lang.String <B>getRevision</B>()</PRE>
<DL>
<DD>Returns the revision string.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../weka/core/RevisionHandler.html#getRevision()">getRevision</A></CODE> in interface <CODE><A HREF="../../weka/core/RevisionHandler.html" title="interface in weka.core">RevisionHandler</A></CODE><DT><B>Overrides:</B><DD><CODE><A HREF="../../weka/attributeSelection/ASEvaluation.html#getRevision()">getRevision</A></CODE> in class <CODE><A HREF="../../weka/attributeSelection/ASEvaluation.html" title="class in weka.attributeSelection">ASEvaluation</A></CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the revision</DL>
</DD>
</DL>
<HR>

<A NAME="buildEvaluator(weka.core.Instances)"><!-- --></A><H3>
buildEvaluator</H3>
<PRE>
public void <B>buildEvaluator</B>(<A HREF="../../weka/core/Instances.html" title="class in weka.core">Instances</A>&nbsp;data)
                    throws java.lang.Exception</PRE>
<DL>
<DD>Initializes a filtered attribute evaluator.
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../weka/attributeSelection/ASEvaluation.html#buildEvaluator(weka.core.Instances)">buildEvaluator</A></CODE> in class <CODE><A HREF="../../weka/attributeSelection/ASEvaluation.html" title="class in weka.attributeSelection">ASEvaluation</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 evaluator has not been 
 generated successfully</DL>
</DD>
</DL>
<HR>

<A NAME="evaluateSubset(java.util.BitSet)"><!-- --></A><H3>
evaluateSubset</H3>
<PRE>
public double <B>evaluateSubset</B>(java.util.BitSet&nbsp;subset)
                      throws java.lang.Exception</PRE>
<DL>
<DD>evaluates a subset of attributes
<P>
<DD><DL>
<DT><B>Specified by:</B><DD><CODE><A HREF="../../weka/attributeSelection/SubsetEvaluator.html#evaluateSubset(java.util.BitSet)">evaluateSubset</A></CODE> in interface <CODE><A HREF="../../weka/attributeSelection/SubsetEvaluator.html" title="interface in weka.attributeSelection">SubsetEvaluator</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>subset</CODE> - a bitset representing the attribute subset to be 
 evaluated
<DT><B>Returns:</B><DD>the "merit" of the subset
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - if the subset could not be evaluated</DL>
</DD>
</DL>
<HR>

<A NAME="toString()"><!-- --></A><H3>
toString</H3>
<PRE>
public java.lang.String <B>toString</B>()</PRE>
<DL>
<DD>Describe the attribute evaluator
<P>
<DD><DL>
<DT><B>Overrides:</B><DD><CODE>toString</CODE> in class <CODE>java.lang.Object</CODE></DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>a description of the attribute evaluator as a string</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;args)</PRE>
<DL>
<DD>Main method for testing this class.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>args</CODE> - the options</DL>
</DD>
</DL>
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