populationoperator.html

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<TH ALIGN="left" COLSPAN="2">Methods in <A HREF="../../../../../com/rapidminer/operator/features/construction/package-summary.html">com.rapidminer.operator.features.construction</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>GeneratingForwardSelection.</B><B><A HREF="../../../../../com/rapidminer/operator/features/construction/GeneratingForwardSelection.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
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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>AbstractGeneratingGeneticAlgorithm.</B><B><A HREF="../../../../../com/rapidminer/operator/features/construction/AbstractGeneratingGeneticAlgorithm.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;exampleSet)</CODE>

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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>FourierGGA.</B><B><A HREF="../../../../../com/rapidminer/operator/features/construction/FourierGGA.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;eSet)</CODE>

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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>AGA.</B><B><A HREF="../../../../../com/rapidminer/operator/features/construction/AGA.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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<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>YAGGA2.</B><B><A HREF="../../../../../com/rapidminer/operator/features/construction/YAGGA2.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;eSet)</CODE>

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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/selection/package-summary.html">com.rapidminer.operator.features.selection</A></FONT></TH>
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<TH ALIGN="left" COLSPAN="2">Classes in <A HREF="../../../../../com/rapidminer/operator/features/selection/package-summary.html">com.rapidminer.operator.features.selection</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>
<TD><CODE><B><A HREF="../../../../../com/rapidminer/operator/features/selection/BackwardElimination.html" title="class in com.rapidminer.operator.features.selection">BackwardElimination</A></B></CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This PopulationOperator realises backward elimination, i.e. creates a list of
 clones of each individual and switches of 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/BestSelection.html" title="class in com.rapidminer.operator.features.selection">BestSelection</A></B></CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Selects the best individual and build a new population.</TD>
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<CODE>&nbsp;class</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../com/rapidminer/operator/features/selection/BoltzmannSelection.html" title="class in com.rapidminer.operator.features.selection">BoltzmannSelection</A></B></CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Like RouletteWheel this population operator selects a given fixed number of
 individuals by subdividing a roulette wheel in sections of size proportional
 to the individuals' fitness values.</TD>
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<CODE>&nbsp;class</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../com/rapidminer/operator/features/selection/CutSelection.html" title="class in com.rapidminer.operator.features.selection">CutSelection</A></B></CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Creates a new population by a deterministical selection of the best
 individuals.</TD>
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<CODE>&nbsp;class</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../com/rapidminer/operator/features/selection/ForwardSelection.html" title="class in com.rapidminer.operator.features.selection">ForwardSelection</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/IterativeFeatureAdding.html" title="class in com.rapidminer.operator.features.selection">IterativeFeatureAdding</A></B></CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Adds iteratively the next feature according to given attribute name array.</TD>
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<CODE>&nbsp;class</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../com/rapidminer/operator/features/selection/NonDominatedSortingSelection.html" title="class in com.rapidminer.operator.features.selection">NonDominatedSortingSelection</A></B></CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Performs the non dominated sorting selection from NSGA II.</TD>
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<CODE>&nbsp;class</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../com/rapidminer/operator/features/selection/RankSelection.html" title="class in com.rapidminer.operator.features.selection">RankSelection</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 subdividing a roulette wheel
 in sections of size proportional to the individuals' rank based on their
 fitness values.</TD>
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<CODE>&nbsp;class</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../com/rapidminer/operator/features/selection/RouletteWheel.html" title="class in com.rapidminer.operator.features.selection">RouletteWheel</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 subdividing a roulette wheel
 in sections of size proportional to the individuals' fitness values.</TD>
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<CODE>&nbsp;class</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../com/rapidminer/operator/features/selection/SelectionCrossover.html" title="class in com.rapidminer.operator.features.selection">SelectionCrossover</A></B></CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Crossover operator for the used bitlists of example sets.</TD>
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<CODE>&nbsp;class</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../com/rapidminer/operator/features/selection/SelectionMutation.html" title="class in com.rapidminer.operator.features.selection">SelectionMutation</A></B></CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Inverts the used bit for every feature of every example set with a given
 fixed probability.</TD>
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<CODE>&nbsp;class</CODE></FONT></TD>
<TD><CODE><B><A HREF="../../../../../com/rapidminer/operator/features/selection/StochasticUniversalSampling.html" title="class in com.rapidminer.operator.features.selection">StochasticUniversalSampling</A></B></CODE>

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&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Similar to a the roulette wheel selection the fitness values of all
 individuals build a partition of the 360 degrees of a wheel.</TD>
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