populationoperator.html

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<CODE>&nbsp;class</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../com/rapidminer/operator/features/selection/SwitchingForwardSelection.html" title="class in com.rapidminer.operator.features.selection">SwitchingForwardSelection</A></B></CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This PopulationOperator realises forward selection, i.e. creates a list of
 clones of each individual and switches on one attribute in each of the
 clones.</TD>
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<CODE>&nbsp;class</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../com/rapidminer/operator/features/selection/TournamentSelection.html" title="class in com.rapidminer.operator.features.selection">TournamentSelection</A></B></CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Performs tournaments with k participants.</TD>
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<CODE>&nbsp;class</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../com/rapidminer/operator/features/selection/UniformSelection.html" title="class in com.rapidminer.operator.features.selection">UniformSelection</A></B></CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Selects a given fixed number of individuals by uniformly sampling from the
 current population until the desired population size is reached.</TD>
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<TH ALIGN="left" COLSPAN="2">Methods in <A HREF="../../../../../com/rapidminer/operator/features/selection/package-summary.html">com.rapidminer.operator.features.selection</A> that return <A HREF="../../../../../com/rapidminer/operator/features/PopulationOperator.html" title="interface in com.rapidminer.operator.features">PopulationOperator</A></FONT></TH>
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<CODE>protected &nbsp;<A HREF="../../../../../com/rapidminer/operator/features/PopulationOperator.html" title="interface in com.rapidminer.operator.features">PopulationOperator</A></CODE></FONT></TD>
<TD><CODE><B>GeneticAlgorithm.</B><B><A HREF="../../../../../com/rapidminer/operator/features/selection/GeneticAlgorithm.html#getCrossoverPopulationOperator(com.rapidminer.example.ExampleSet)">getCrossoverPopulationOperator</A></B>(<A HREF="../../../../../com/rapidminer/example/ExampleSet.html" title="interface in com.rapidminer.example">ExampleSet</A>&nbsp;eSet)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns an operator that performs crossover.</TD>
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<CODE>protected abstract &nbsp;<A HREF="../../../../../com/rapidminer/operator/features/PopulationOperator.html" title="interface in com.rapidminer.operator.features">PopulationOperator</A></CODE></FONT></TD>
<TD><CODE><B>AbstractGeneticAlgorithm.</B><B><A HREF="../../../../../com/rapidminer/operator/features/selection/AbstractGeneticAlgorithm.html#getCrossoverPopulationOperator(com.rapidminer.example.ExampleSet)">getCrossoverPopulationOperator</A></B>(<A HREF="../../../../../com/rapidminer/example/ExampleSet.html" title="interface in com.rapidminer.example">ExampleSet</A>&nbsp;example)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns an operator that performs crossover.</TD>
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<CODE>protected &nbsp;<A HREF="../../../../../com/rapidminer/operator/features/PopulationOperator.html" title="interface in com.rapidminer.operator.features">PopulationOperator</A></CODE></FONT></TD>
<TD><CODE><B>GeneticAlgorithm.</B><B><A HREF="../../../../../com/rapidminer/operator/features/selection/GeneticAlgorithm.html#getMutationPopulationOperator(com.rapidminer.example.ExampleSet)">getMutationPopulationOperator</A></B>(<A HREF="../../../../../com/rapidminer/example/ExampleSet.html" title="interface in com.rapidminer.example">ExampleSet</A>&nbsp;eSet)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns an operator that performs the mutation.</TD>
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<CODE>protected abstract &nbsp;<A HREF="../../../../../com/rapidminer/operator/features/PopulationOperator.html" title="interface in com.rapidminer.operator.features">PopulationOperator</A></CODE></FONT></TD>
<TD><CODE><B>AbstractGeneticAlgorithm.</B><B><A HREF="../../../../../com/rapidminer/operator/features/selection/AbstractGeneticAlgorithm.html#getMutationPopulationOperator(com.rapidminer.example.ExampleSet)">getMutationPopulationOperator</A></B>(<A HREF="../../../../../com/rapidminer/example/ExampleSet.html" title="interface in com.rapidminer.example">ExampleSet</A>&nbsp;example)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns an operator that performs the mutation.</TD>
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<TABLE BORDER="1" WIDTH="100%" CELLPADDING="3" CELLSPACING="0" SUMMARY="">
<TR BGCOLOR="#CCCCFF" CLASS="TableSubHeadingColor">
<TH ALIGN="left" COLSPAN="2">Methods in <A HREF="../../../../../com/rapidminer/operator/features/selection/package-summary.html">com.rapidminer.operator.features.selection</A> that return types with arguments of type <A HREF="../../../../../com/rapidminer/operator/features/PopulationOperator.html" title="interface in com.rapidminer.operator.features">PopulationOperator</A></FONT></TH>
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<CODE>&nbsp;java.util.List&lt;<A HREF="../../../../../com/rapidminer/operator/features/PopulationOperator.html" title="interface in com.rapidminer.operator.features">PopulationOperator</A>&gt;</CODE></FONT></TD>
<TD><CODE><B>WeightGuidedSelectionOperator.</B><B><A HREF="../../../../../com/rapidminer/operator/features/selection/WeightGuidedSelectionOperator.html#getPostEvaluationPopulationOperators(com.rapidminer.example.ExampleSet)">getPostEvaluationPopulationOperators</A></B>(<A HREF="../../../../../com/rapidminer/example/ExampleSet.html" title="interface in com.rapidminer.example">ExampleSet</A>&nbsp;input)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns an empty list.</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;java.util.List&lt;<A HREF="../../../../../com/rapidminer/operator/features/PopulationOperator.html" title="interface in com.rapidminer.operator.features">PopulationOperator</A>&gt;</CODE></FONT></TD>
<TD><CODE><B>AbstractGeneticAlgorithm.</B><B><A HREF="../../../../../com/rapidminer/operator/features/selection/AbstractGeneticAlgorithm.html#getPostEvaluationPopulationOperators(com.rapidminer.example.ExampleSet)">getPostEvaluationPopulationOperators</A></B>(<A HREF="../../../../../com/rapidminer/example/ExampleSet.html" title="interface in com.rapidminer.example">ExampleSet</A>&nbsp;input)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the list with post eval pop ops.</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;java.util.List&lt;<A HREF="../../../../../com/rapidminer/operator/features/PopulationOperator.html" title="interface in com.rapidminer.operator.features">PopulationOperator</A>&gt;</CODE></FONT></TD>
<TD><CODE><B>FeatureSelectionOperator.</B><B><A HREF="../../../../../com/rapidminer/operator/features/selection/FeatureSelectionOperator.html#getPostEvaluationPopulationOperators(com.rapidminer.example.ExampleSet)">getPostEvaluationPopulationOperators</A></B>(<A HREF="../../../../../com/rapidminer/example/ExampleSet.html" title="interface in com.rapidminer.example">ExampleSet</A>&nbsp;input)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;empty list</TD>
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<CODE>&nbsp;java.util.List&lt;<A HREF="../../../../../com/rapidminer/operator/features/PopulationOperator.html" title="interface in com.rapidminer.operator.features">PopulationOperator</A>&gt;</CODE></FONT></TD>
<TD><CODE><B>BruteForceSelection.</B><B><A HREF="../../../../../com/rapidminer/operator/features/selection/BruteForceSelection.html#getPostEvaluationPopulationOperators(com.rapidminer.example.ExampleSet)">getPostEvaluationPopulationOperators</A></B>(<A HREF="../../../../../com/rapidminer/example/ExampleSet.html" title="interface in com.rapidminer.example">ExampleSet</A>&nbsp;input)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns an empty list if the parameter debug_output is set to false.</TD>
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<CODE>protected &nbsp;java.util.List&lt;<A HREF="../../../../../com/rapidminer/operator/features/PopulationOperator.html" title="interface in com.rapidminer.operator.features">PopulationOperator</A>&gt;</CODE></FONT></TD>
<TD><CODE><B>AbstractGeneticAlgorithm.</B><B><A HREF="../../../../../com/rapidminer/operator/features/selection/AbstractGeneticAlgorithm.html#getPostProcessingPopulationOperators(com.rapidminer.example.ExampleSet)">getPostProcessingPopulationOperators</A></B>(<A HREF="../../../../../com/rapidminer/example/ExampleSet.html" title="interface in com.rapidminer.example">ExampleSet</A>&nbsp;input)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns an empty list.</TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;java.util.List&lt;<A HREF="../../../../../com/rapidminer/operator/features/PopulationOperator.html" title="interface in com.rapidminer.operator.features">PopulationOperator</A>&gt;</CODE></FONT></TD>
<TD><CODE><B>WeightGuidedSelectionOperator.</B><B><A HREF="../../../../../com/rapidminer/operator/features/selection/WeightGuidedSelectionOperator.html#getPreEvaluationPopulationOperators(com.rapidminer.example.ExampleSet)">getPreEvaluationPopulationOperators</A></B>(<A HREF="../../../../../com/rapidminer/example/ExampleSet.html" title="interface in com.rapidminer.example">ExampleSet</A>&nbsp;input)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The operators add the feature with the next highest weight.</TD>
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<CODE>&nbsp;java.util.List&lt;<A HREF="../../../../../com/rapidminer/operator/features/PopulationOperator.html" title="interface in com.rapidminer.operator.features">PopulationOperator</A>&gt;</CODE></FONT></TD>
<TD><CODE><B>AbstractGeneticAlgorithm.</B><B><A HREF="../../../../../com/rapidminer/operator/features/selection/AbstractGeneticAlgorithm.html#getPreEvaluationPopulationOperators(com.rapidminer.example.ExampleSet)">getPreEvaluationPopulationOperators</A></B>(<A HREF="../../../../../com/rapidminer/example/ExampleSet.html" title="interface in com.rapidminer.example">ExampleSet</A>&nbsp;input)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns the list with pre eval pop ops.</TD>
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<TR BGCOLOR="white" CLASS="TableRowColor">
<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;java.util.List&lt;<A HREF="../../../../../com/rapidminer/operator/features/PopulationOperator.html" title="interface in com.rapidminer.operator.features">PopulationOperator</A>&gt;</CODE></FONT></TD>
<TD><CODE><B>FeatureSelectionOperator.</B><B><A HREF="../../../../../com/rapidminer/operator/features/selection/FeatureSelectionOperator.html#getPreEvaluationPopulationOperators(com.rapidminer.example.ExampleSet)">getPreEvaluationPopulationOperators</A></B>(<A HREF="../../../../../com/rapidminer/example/ExampleSet.html" title="interface in com.rapidminer.example">ExampleSet</A>&nbsp;input)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The operators performs two steps:
 
 forward selection/backward elimination
 kick out all but the <tt>keep_best</tt> individuals
 remove redundant individuals
 </TD>
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<TD ALIGN="right" VALIGN="top" WIDTH="1%"><FONT SIZE="-1">
<CODE>&nbsp;java.util.List&lt;<A HREF="../../../../../com/rapidminer/operator/features/PopulationOperator.html" title="interface in com.rapidminer.operator.features">PopulationOperator</A>&gt;</CODE></FONT></TD>
<TD><CODE><B>BruteForceSelection.</B><B><A HREF="../../../../../com/rapidminer/operator/features/selection/BruteForceSelection.html#getPreEvaluationPopulationOperators(com.rapidminer.example.ExampleSet)">getPreEvaluationPopulationOperators</A></B>(<A HREF="../../../../../com/rapidminer/example/ExampleSet.html" title="interface in com.rapidminer.example">ExampleSet</A>&nbsp;input)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Does nothing.</TD>
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<CODE>protected &nbsp;java.util.List&lt;<A HREF="../../../../../com/rapidminer/operator/features/PopulationOperator.html" title="interface in com.rapidminer.operator.features">PopulationOperator</A>&gt;</CODE></FONT></TD>
<TD><CODE><B>AbstractGeneticAlgorithm.</B><B><A HREF="../../../../../com/rapidminer/operator/features/selection/AbstractGeneticAlgorithm.html#getPreProcessingPopulationOperators(com.rapidminer.example.ExampleSet)">getPreProcessingPopulationOperators</A></B>(<A HREF="../../../../../com/rapidminer/example/ExampleSet.html" title="interface in com.rapidminer.example">ExampleSet</A>&nbsp;input)</CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Returns an empty list.</TD>
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<A NAME="com.rapidminer.operator.features.weighting"><!-- --></A>
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Uses of <A HREF="../../../../../com/rapidminer/operator/features/PopulationOperator.html" title="interface in com.rapidminer.operator.features">PopulationOperator</A> in <A HREF="../../../../../com/rapidminer/operator/features/weighting/package-summary.html">com.rapidminer.operator.features.weighting</A></FONT></TH>
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<TH ALIGN="left" COLSPAN="2">Classes in <A HREF="../../../../../com/rapidminer/operator/features/weighting/package-summary.html">com.rapidminer.operator.features.weighting</A> that implement <A HREF="../../../../../com/rapidminer/operator/features/PopulationOperator.html" title="interface in com.rapidminer.operator.features">PopulationOperator</A></FONT></TH>
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<CODE>&nbsp;class</CODE></FONT></TD>