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<BR> This is an abstract superclass for RapidMiner weighting operators.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../com/rapidminer/operator/features/weighting/AttributeWeightsCreator.html" title="class in com.rapidminer.operator.features.weighting">AttributeWeightsCreator</A></B></CODE><BR> This operator creates a new attribute weights IOObject from a given example set.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../com/rapidminer/operator/features/weighting/BackwardWeighting.html" title="class in com.rapidminer.operator.features.weighting">BackwardWeighting</A></B></CODE><BR> Uses the backward selection idea for the weighting of features.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../com/rapidminer/operator/features/weighting/ChiSquaredWeighting.html" title="class in com.rapidminer.operator.features.weighting">ChiSquaredWeighting</A></B></CODE><BR> This operator calculates the relevance of a feature by computing for each attribute of the input example set the value of the chi-squared statistic with respect to the class attribute.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../com/rapidminer/operator/features/weighting/ComponentWeights.html" title="class in com.rapidminer.operator.features.weighting">ComponentWeights</A></B></CODE><BR> For models creating components like <code>PCA</code>, <code>GHA</code> and <code>FastICA</code> you can create the <code>AttributeWeights</code> from a component.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../com/rapidminer/operator/features/weighting/CorpusBasedFeatureWeighting.html" title="class in com.rapidminer.operator.features.weighting">CorpusBasedFeatureWeighting</A></B></CODE><BR> This operator uses a corpus of examples to characterize a single class by setting feature weights.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../com/rapidminer/operator/features/weighting/EvolutionaryWeighting.html" title="class in com.rapidminer.operator.features.weighting">EvolutionaryWeighting</A></B></CODE><BR> This operator performs the weighting of features with an evolutionary strategies approach.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../com/rapidminer/operator/features/weighting/FeatureWeighting.html" title="class in com.rapidminer.operator.features.weighting">FeatureWeighting</A></B></CODE><BR> This operator performs the weighting under the naive assumption that the features are independent from each other.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../com/rapidminer/operator/features/weighting/ForwardWeighting.html" title="class in com.rapidminer.operator.features.weighting">ForwardWeighting</A></B></CODE><BR> This operator performs the weighting under the naive assumption that the features are independent from each other.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../com/rapidminer/operator/features/weighting/GenericWekaAttributeWeighting.html" title="class in com.rapidminer.operator.features.weighting">GenericWekaAttributeWeighting</A></B></CODE><BR> Performs the AttributeEvaluator of Weka with the same name to determine a sort of attribute relevance.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../com/rapidminer/operator/features/weighting/GiniWeighting.html" title="class in com.rapidminer.operator.features.weighting">GiniWeighting</A></B></CODE><BR> This operator calculates the relevance of a feature by computing the Gini index of the class distribution, if the given example set would have been splitted according to the feature.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../com/rapidminer/operator/features/weighting/InfoGainRatioWeighting.html" title="class in com.rapidminer.operator.features.weighting">InfoGainRatioWeighting</A></B></CODE><BR> 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 ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../com/rapidminer/operator/features/weighting/InfoGainWeighting.html" title="class in com.rapidminer.operator.features.weighting">InfoGainWeighting</A></B></CODE><BR> 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 ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../com/rapidminer/operator/features/weighting/InteractiveAttributeWeighting.html" title="class in com.rapidminer.operator.features.weighting">InteractiveAttributeWeighting</A></B></CODE><BR> 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 ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../com/rapidminer/operator/features/weighting/NameBasedWeighting.html" title="class in com.rapidminer.operator.features.weighting">NameBasedWeighting</A></B></CODE><BR> 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 ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../com/rapidminer/operator/features/weighting/OneRErrorWeighting.html" title="class in com.rapidminer.operator.features.weighting">OneRErrorWeighting</A></B></CODE><BR> 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 ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../com/rapidminer/operator/features/weighting/PCAWeighting.html" title="class in com.rapidminer.operator.features.weighting">PCAWeighting</A></B></CODE><BR> Uses the factors of one of the principal components (default is the first) as feature weights.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../com/rapidminer/operator/features/weighting/PSOWeighting.html" title="class in com.rapidminer.operator.features.weighting">PSOWeighting</A></B></CODE><BR> This operator performs the weighting of features with a particle swarm approach.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../com/rapidminer/operator/features/weighting/ReliefWeighting.html" title="class in com.rapidminer.operator.features.weighting">ReliefWeighting</A></B></CODE><BR> 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 ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../com/rapidminer/operator/features/weighting/StandardDeviationWeighting.html" title="class in com.rapidminer.operator.features.weighting">StandardDeviationWeighting</A></B></CODE><BR> Creates weights from the standard deviations of all attributes.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../com/rapidminer/operator/features/weighting/SVMWeighting.html" title="class in com.rapidminer.operator.features.weighting">SVMWeighting</A></B></CODE><BR> Uses the coefficients of the normal vector of a linear SVM as feature weights.</TD></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../com/rapidminer/operator/features/weighting/SymmetricalUncertaintyOperator.html" title="class in com.rapidminer.operator.features.weighting">SymmetricalUncertaintyOperator</A></B></CODE><BR> This operator calculates the relevance of an attribute by measuring the symmetrical uncertainty with respect to the class.</TD></TR></TABLE> <P><A NAME="com.rapidminer.operator.generator"><!-- --></A><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableHeadingColor"><TH ALIGN="left" COLSPAN="2"><FONT SIZE="+2">Uses of <A HREF="../../../../../com/rapidminer/gui/wizards/PreviewListener.html" title="interface in com.rapidminer.gui.wizards">PreviewListener</A> in <A HREF="../../../../../com/rapidminer/operator/generator/package-summary.html">com.rapidminer.operator.generator</A></FONT></TH></TR></TABLE> <P><TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY=""><TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor"><TH ALIGN="left" COLSPAN="2">Classes in <A HREF="../../../../../com/rapidminer/operator/generator/package-summary.html">com.rapidminer.operator.generator</A> that implement <A HREF="../../../../../com/rapidminer/gui/wizards/PreviewListener.html" title="interface in com.rapidminer.gui.wizards">PreviewListener</A></FONT></TH></TR><TR BGCOLOR="white" CLASS="TableRowColor"><TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1"><CODE> class</CODE></FONT></TD><TD><CODE><B><A HREF="../../../../../com/rapidminer/operator/generator/ChurnReductionExampleSetGenerator.html" title="class in com.rapidminer.operator.generator">ChurnReductionExampleSetGenerator</A></B></CODE><BR> &n⌨️ 快捷键说明
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