wrappersubseteval.html

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<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 a given list of options.

 Valid options are:<p>

 -B <base learner> <br>
 Class name of base learner to use for accuracy estimation.
 Place any classifier options last on the command line following a
 "--". Eg  -B weka.classifiers.NaiveBayes ... -- -K <p>

 -F <num> <br>
 Number of cross validation folds to use for estimating accuracy.
 <default=5> <p>

 -T <num> <br>
 Threshold by which to execute another cross validation (standard deviation
 ---expressed as a percentage of the mean). <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="thresholdTipText()"><!-- --></A><H3>
thresholdTipText</H3>
<PRE>
public java.lang.String <B>thresholdTipText</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="setThreshold(double)"><!-- --></A><H3>
setThreshold</H3>
<PRE>
public void <B>setThreshold</B>(double&nbsp;t)</PRE>
<DL>
<DD>Set the value of the threshold for repeating cross validation<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>t</CODE> - the value of the threshold</DL>
</DD>
</DL>
<HR>

<A NAME="getThreshold()"><!-- --></A><H3>
getThreshold</H3>
<PRE>
public double <B>getThreshold</B>()</PRE>
<DL>
<DD>Get the value of the threshold<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the threshold as a double</DL>
</DD>
</DL>
<HR>

<A NAME="foldsTipText()"><!-- --></A><H3>
foldsTipText</H3>
<PRE>
public java.lang.String <B>foldsTipText</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="setFolds(int)"><!-- --></A><H3>
setFolds</H3>
<PRE>
public void <B>setFolds</B>(int&nbsp;f)</PRE>
<DL>
<DD>Set the number of folds to use for accuracy estimation<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>f</CODE> - the number of folds</DL>
</DD>
</DL>
<HR>

<A NAME="getFolds()"><!-- --></A><H3>
getFolds</H3>
<PRE>
public int <B>getFolds</B>()</PRE>
<DL>
<DD>Get the number of folds used for accuracy estimation<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the number of folds</DL>
</DD>
</DL>
<HR>

<A NAME="seedTipText()"><!-- --></A><H3>
seedTipText</H3>
<PRE>
public java.lang.String <B>seedTipText</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="setSeed(int)"><!-- --></A><H3>
setSeed</H3>
<PRE>
public void <B>setSeed</B>(int&nbsp;s)</PRE>
<DL>
<DD>Set the seed to use for cross validation<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>s</CODE> - the seed</DL>
</DD>
</DL>
<HR>

<A NAME="getSeed()"><!-- --></A><H3>
getSeed</H3>
<PRE>
public int <B>getSeed</B>()</PRE>
<DL>
<DD>Get the random number seed used for cross validation<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the seed</DL>
</DD>
</DL>
<HR>

<A NAME="classifierTipText()"><!-- --></A><H3>
classifierTipText</H3>
<PRE>
public java.lang.String <B>classifierTipText</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="setClassifier(weka.classifiers.Classifier)"><!-- --></A><H3>
setClassifier</H3>
<PRE>
public void <B>setClassifier</B>(<A HREF="../../weka/classifiers/Classifier.html">Classifier</A>&nbsp;newClassifier)</PRE>
<DL>
<DD>Set the classifier to use for accuracy estimation<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>newClassifier</CODE> - the Classifier to use.</DL>
</DD>
</DL>
<HR>

<A NAME="getClassifier()"><!-- --></A><H3>
getClassifier</H3>
<PRE>
public <A HREF="../../weka/classifiers/Classifier.html">Classifier</A> <B>getClassifier</B>()</PRE>
<DL>
<DD>Get the classifier used as the base learner.<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Returns:</B><DD>the classifier used as the classifier</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 WrapperSubsetEval.<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="resetOptions()"><!-- --></A><H3>
resetOptions</H3>
<PRE>
protected void <B>resetOptions</B>()</PRE>
<DL>
<DD><DL>
</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.<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 the wrapper<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="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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