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 have been splitted according to the feature.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../../../com/rapidminer/operator/features/weighting/InfoGainRatioWeighting.html" title="class in com.rapidminer.operator.features.weighting">InfoGainRatioWeighting</A></B></TD>
<TD>This operator calculates the relevance of a feature by computing the 
 information gain ratio for the class distribution (if exampleSet would 
 have been splitted according to each of the given features).</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../../../com/rapidminer/operator/features/weighting/InfoGainWeighting.html" title="class in com.rapidminer.operator.features.weighting">InfoGainWeighting</A></B></TD>
<TD>This operator calculates the relevance of a feature by computing the information gain in class distribution, if exampleSet would be splitted after
 the feature.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../../../com/rapidminer/operator/features/weighting/InteractiveAttributeWeighting.html" title="class in com.rapidminer.operator.features.weighting">InteractiveAttributeWeighting</A></B></TD>
<TD>This operator shows a window with the currently used attribute weights and
 allows users to change the weight interactively.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../../../com/rapidminer/operator/features/weighting/NameBasedWeighting.html" title="class in com.rapidminer.operator.features.weighting">NameBasedWeighting</A></B></TD>
<TD>This operator is able to create feature weights based on regular expressions defined
 for the feature names.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../../../com/rapidminer/operator/features/weighting/OneRErrorWeighting.html" title="class in com.rapidminer.operator.features.weighting">OneRErrorWeighting</A></B></TD>
<TD>This operator calculates the relevance of a feature by computing the error
 rate of a OneR Model on the exampleSet without this feature.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../../../com/rapidminer/operator/features/weighting/PCAWeighting.html" title="class in com.rapidminer.operator.features.weighting">PCAWeighting</A></B></TD>
<TD>Uses the factors of one of the principal components (default is the first) as
 feature weights.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../../../com/rapidminer/operator/features/weighting/PSOWeighting.html" title="class in com.rapidminer.operator.features.weighting">PSOWeighting</A></B></TD>
<TD>This operator performs the weighting of features with a particle swarm
 approach.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../../../com/rapidminer/operator/features/weighting/ReliefWeighting.html" title="class in com.rapidminer.operator.features.weighting">ReliefWeighting</A></B></TD>
<TD>Relief measures the relevance of features by sampling examples 
 and comparing the value of the current feature for the nearest 
 example of the same and of a different class.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../../../com/rapidminer/operator/features/weighting/SimpleWeighting.html" title="class in com.rapidminer.operator.features.weighting">SimpleWeighting</A></B></TD>
<TD>This PopulationOperator realises a simple weighting, i.e. creates a list of
 clones of each individual and weights one attribute in each of the clones
 with some different weights.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../../../com/rapidminer/operator/features/weighting/StandardDeviationWeighting.html" title="class in com.rapidminer.operator.features.weighting">StandardDeviationWeighting</A></B></TD>
<TD>
 Creates weights from the standard deviations of all attributes.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../../../com/rapidminer/operator/features/weighting/SVMWeighting.html" title="class in com.rapidminer.operator.features.weighting">SVMWeighting</A></B></TD>
<TD>Uses the coefficients of the normal vector of a linear SVM as feature weights.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../../../com/rapidminer/operator/features/weighting/SymmetricalUncertaintyOperator.html" title="class in com.rapidminer.operator.features.weighting">SymmetricalUncertaintyOperator</A></B></TD>
<TD>
 This operator calculates the relevance of an attribute by measuring 
 the symmetrical uncertainty with respect to the class.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../../../com/rapidminer/operator/features/weighting/VarianceAdaption.html" title="class in com.rapidminer.operator.features.weighting">VarianceAdaption</A></B></TD>
<TD>Implements the 1/5-Rule for dynamic parameter adaption of the variance of a
 <A HREF="../../../../../com/rapidminer/operator/features/weighting/WeightingMutation.html" title="class in com.rapidminer.operator.features.weighting"><CODE>WeightingMutation</CODE></A>.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../../../com/rapidminer/operator/features/weighting/WeightingCrossover.html" title="class in com.rapidminer.operator.features.weighting">WeightingCrossover</A></B></TD>
<TD>Crossover operator for the used weights of example sets.</TD>
</TR>
<TR BGCOLOR="white" CLASS="TableRowColor">
<TD WIDTH="15%"><B><A HREF="../../../../../com/rapidminer/operator/features/weighting/WeightingMutation.html" title="class in com.rapidminer.operator.features.weighting">WeightingMutation</A></B></TD>
<TD>Changes the weight for all attributes by multiplying them with a gaussian
 distribution.</TD>
</TR>
</TABLE>
&nbsp;

<P>
<A NAME="package_description"><!-- --></A><H2>
Package com.rapidminer.operator.features.weighting Description
</H2>

<P>
Operators to weight features or determine feature relevance.
<P>

<P>
<DL>
</DL>
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