ensemblemetrichelper.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

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<A NAME="METRIC_ACCURACY"><!-- --></A><H3>
METRIC_ACCURACY</H3>
<PRE>
public static final int <B>METRIC_ACCURACY</B></PRE>
<DL>
<DD>metric: Accuracy
<P>
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<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#weka.classifiers.meta.ensembleSelection.EnsembleMetricHelper.METRIC_ACCURACY">Constant Field Values</A></DL>
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<A NAME="METRIC_RMSE"><!-- --></A><H3>
METRIC_RMSE</H3>
<PRE>
public static final int <B>METRIC_RMSE</B></PRE>
<DL>
<DD>metric: RMSE
<P>
<DL>
<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#weka.classifiers.meta.ensembleSelection.EnsembleMetricHelper.METRIC_RMSE">Constant Field Values</A></DL>
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<A NAME="METRIC_ROC"><!-- --></A><H3>
METRIC_ROC</H3>
<PRE>
public static final int <B>METRIC_ROC</B></PRE>
<DL>
<DD>metric: ROC
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<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#weka.classifiers.meta.ensembleSelection.EnsembleMetricHelper.METRIC_ROC">Constant Field Values</A></DL>
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<A NAME="METRIC_PRECISION"><!-- --></A><H3>
METRIC_PRECISION</H3>
<PRE>
public static final int <B>METRIC_PRECISION</B></PRE>
<DL>
<DD>metric: Precision
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<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#weka.classifiers.meta.ensembleSelection.EnsembleMetricHelper.METRIC_PRECISION">Constant Field Values</A></DL>
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<A NAME="METRIC_RECALL"><!-- --></A><H3>
METRIC_RECALL</H3>
<PRE>
public static final int <B>METRIC_RECALL</B></PRE>
<DL>
<DD>metric: Recall
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<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#weka.classifiers.meta.ensembleSelection.EnsembleMetricHelper.METRIC_RECALL">Constant Field Values</A></DL>
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<A NAME="METRIC_FSCORE"><!-- --></A><H3>
METRIC_FSCORE</H3>
<PRE>
public static final int <B>METRIC_FSCORE</B></PRE>
<DL>
<DD>metric: FScore
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<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#weka.classifiers.meta.ensembleSelection.EnsembleMetricHelper.METRIC_FSCORE">Constant Field Values</A></DL>
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<A NAME="METRIC_ALL"><!-- --></A><H3>
METRIC_ALL</H3>
<PRE>
public static final int <B>METRIC_ALL</B></PRE>
<DL>
<DD>metric: All
<P>
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<DT><B>See Also:</B><DD><A HREF="../../../../constant-values.html#weka.classifiers.meta.ensembleSelection.EnsembleMetricHelper.METRIC_ALL">Constant Field Values</A></DL>
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<A NAME="EnsembleMetricHelper()"><!-- --></A><H3>
EnsembleMetricHelper</H3>
<PRE>
public <B>EnsembleMetricHelper</B>()</PRE>
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<A NAME="getMetric(weka.classifiers.Evaluation, int)"><!-- --></A><H3>
getMetric</H3>
<PRE>
public static double <B>getMetric</B>(<A HREF="../../../../weka/classifiers/Evaluation.html" title="class in weka.classifiers">Evaluation</A>&nbsp;eval,
                               int&nbsp;metric_index)</PRE>
<DL>
<DD>Given an Evaluation object and metric, call the appropriate function to get
 the value for that metric and return it.  Metrics are returned so that
 "bigger is better".  For instance, we return 1.0 - RMSE instead of RMSE, because
 bigger RMSE is better.
<P>
<DD><DL>
<DT><B>Parameters:</B><DD><CODE>eval</CODE> - the evaluation object to use<DD><CODE>metric_index</CODE> - the metric to use
<DT><B>Returns:</B><DD>the value for the metric</DL>
</DD>
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