cfssubseteval.html

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<B>Method Detail</B></FONT></TD>
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<A NAME="globalInfo()"><!-- --></A><H3>
globalInfo</H3>
<PRE>
public java.lang.String <B>globalInfo</B>()</PRE>
<DL>
<DD>Returns a string describing this attribute evaluator<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<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">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 and sets a given list of options. <p>

 Valid options are:

 -M <br>
 Treat missing values as a seperate value. <p>
 
 -L <br>
 Include locally predictive attributes. <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">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="locallyPredictiveTipText()"><!-- --></A><H3>
locallyPredictiveTipText</H3>
<PRE>
public java.lang.String <B>locallyPredictiveTipText</B>()</PRE>
<DL>
<DD>Returns the tip text for this property<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="setLocallyPredictive(boolean)"><!-- --></A><H3>
setLocallyPredictive</H3>
<PRE>
public void <B>setLocallyPredictive</B>(boolean&nbsp;b)</PRE>
<DL>
<DD>Include locally predictive attributes<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>b</CODE> - true or false</DL>
</DD>
</DL>
<HR>

<A NAME="getLocallyPredictive()"><!-- --></A><H3>
getLocallyPredictive</H3>
<PRE>
public boolean <B>getLocallyPredictive</B>()</PRE>
<DL>
<DD>Return true if including locally predictive attributes<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>true if locally predictive attributes are to be used</DL>
</DD>
</DL>
<HR>

<A NAME="missingSeperateTipText()"><!-- --></A><H3>
missingSeperateTipText</H3>
<PRE>
public java.lang.String <B>missingSeperateTipText</B>()</PRE>
<DL>
<DD>Returns the tip text for this property<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="setMissingSeperate(boolean)"><!-- --></A><H3>
setMissingSeperate</H3>
<PRE>
public void <B>setMissingSeperate</B>(boolean&nbsp;b)</PRE>
<DL>
<DD>Treat missing as a seperate value<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>b</CODE> - true or false</DL>
</DD>
</DL>
<HR>

<A NAME="getMissingSeperate()"><!-- --></A><H3>
getMissingSeperate</H3>
<PRE>
public boolean <B>getMissingSeperate</B>()</PRE>
<DL>
<DD>Return true is missing is treated as a seperate value<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>true if missing is to be treated as a seperate value</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 CfsSubsetEval<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">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="buildEvaluator(weka.core.Instances)"><!-- --></A><H3>
buildEvaluator</H3>
<PRE>
public void <B>buildEvaluator</B>(<A HREF="../../weka/core/Instances.html">Instances</A>&nbsp;data)
                    throws java.lang.Exception</PRE>
<DL>
<DD>Generates a attribute evaluator. Has to initialize all fields of the 
 evaluator that are not being set via options.

 CFS also discretises attributes (if necessary) and initializes
 the correlation matrix.<DD><DL>
<DT><B>Overrides:</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">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<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../weka/attributeSelection/SubsetEvaluator.html#evaluateSubset(java.util.BitSet)">evaluateSubset</A></CODE> in class <CODE><A HREF="../../weka/attributeSelection/SubsetEvaluator.html">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>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>returns a string describing CFS<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>the description as a string</DL>
</DD>
</DL>
<HR>

<A NAME="postProcess(int[])"><!-- --></A><H3>
postProcess</H3>
<PRE>
public int[] <B>postProcess</B>(int[]&nbsp;attributeSet)
                  throws java.lang.Exception</PRE>
<DL>
<DD>Calls locallyPredictive in order to include locally predictive
 attributes (if requested).<DD><DL>
<DT><B>Overrides:</B><DD><CODE><A HREF="../../weka/attributeSelection/ASEvaluation.html#postProcess(int[])">postProcess</A></CODE> in class <CODE><A HREF="../../weka/attributeSelection/ASEvaluation.html">ASEvaluation</A></CODE></DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>attributeSet</CODE> - the set of attributes found by the search<DT><B>Returns:</B><DD>a possibly ranked list of postprocessed attributes<DT><B>Throws:</B><DD><CODE>java.lang.Exception</CODE> - if postprocessing fails for some reason</DL>
</DD>
</DL>
<HR>

<A NAME="resetOptions()"><!-- --></A><H3>
resetOptions</H3>
<PRE>
protected void <B>resetOptions</B>()</PRE>
<DL>
<DD><DL>
</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.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>args</CODE> - the options</DL>
</DD>
</DL>
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