splitevaluator.html

weka是机器学习和数据挖掘领域最有影响力的开源项目之一

void <B>setAdditionalMeasures</B>(java.lang.String[]&nbsp;additionalMeasures)</PRE>
<DL>
<DD>Sets a list of method names for additional measures to look for
 in SplitEvaluators.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>additionalMeasures</CODE> - a list of method names</DL>
</DD>
</DL>
<HR>

<A NAME="getKeyNames()"><!-- --></A><H3>
getKeyNames</H3>
<PRE>
java.lang.String[] <B>getKeyNames</B>()</PRE>
<DL>
<DD>Gets the names of each of the key columns produced for a single run.
 The names should not contain spaces (use '_' instead for easy 
 translation.) The number of key fields must be constant for a given 
 SplitEvaluator.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>an array containing the name of each key column</DL>
</DD>
</DL>
<HR>

<A NAME="getKeyTypes()"><!-- --></A><H3>
getKeyTypes</H3>
<PRE>
java.lang.Object[] <B>getKeyTypes</B>()</PRE>
<DL>
<DD>Gets the data types of each of the key columns produced for a single run.
 The number of key fields must be constant
 for a given SplitEvaluator.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>an array containing objects of the type of each key column. The 
 objects should be Strings, or Doubles.</DL>
</DD>
</DL>
<HR>

<A NAME="getResultNames()"><!-- --></A><H3>
getResultNames</H3>
<PRE>
java.lang.String[] <B>getResultNames</B>()</PRE>
<DL>
<DD>Gets the names of each of the result columns produced for a single run.
 The names should not contain spaces (use '_' instead for easy 
 translation.) The number of result fields must be constant
 for a given SplitEvaluator.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>an array containing the name of each result column</DL>
</DD>
</DL>
<HR>

<A NAME="getResultTypes()"><!-- --></A><H3>
getResultTypes</H3>
<PRE>
java.lang.Object[] <B>getResultTypes</B>()</PRE>
<DL>
<DD>Gets the data types of each of the result columns produced for a 
 single run. The number of result fields must be constant
 for a given SplitEvaluator.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>an array containing objects of the type of each result column. 
 The objects should be Strings, or Doubles.</DL>
</DD>
</DL>
<HR>

<A NAME="getKey()"><!-- --></A><H3>
getKey</H3>
<PRE>
java.lang.Object[] <B>getKey</B>()</PRE>
<DL>
<DD>Gets the key describing the current SplitEvaluator. For example
 This may contain the name of the classifier used for classifier
 predictive evaluation. The number of key fields must be constant
 for a given SplitEvaluator.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>a value of type 'Object'</DL>
</DD>
</DL>
<HR>

<A NAME="getResult(weka.core.Instances, weka.core.Instances)"><!-- --></A><H3>
getResult</H3>
<PRE>
java.lang.Object[] <B>getResult</B>(<A HREF="../../weka/core/Instances.html" title="class in weka.core">Instances</A>&nbsp;train,
                             <A HREF="../../weka/core/Instances.html" title="class in weka.core">Instances</A>&nbsp;test)
                             throws java.lang.Exception</PRE>
<DL>
<DD>Gets the results for the supplied train and test datasets.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>train</CODE> - the training Instances.<DD><CODE>test</CODE> - the testing Instances.
<DT><B>Returns:</B><DD>the results stored in an array. The objects stored in
 the array may be Strings, Doubles, or null (for the missing value).
<DT><B>Throws:</B>
<DD><CODE>java.lang.Exception</CODE> - if a problem occurs while getting the results</DL>
</DD>
</DL>
<HR>

<A NAME="getRawResultOutput()"><!-- --></A><H3>
getRawResultOutput</H3>
<PRE>
java.lang.String <B>getRawResultOutput</B>()</PRE>
<DL>
<DD>Returns the raw output for the most recent call to getResult. Useful
 for debugging splitEvaluators.
<P>
<DD><DL>
</DL>
</DD>
<DD><DL>

<DT><B>Returns:</B><DD>the raw output corresponding to the most recent call
 to getResut</DL>
</DD>
</DL>
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