com.rapidminer.operator.features.construction
Class GeneratingMutation

java.lang.Object
  com.rapidminer.operator.features.construction.ExampleSetBasedIndividualOperator
      com.rapidminer.operator.features.construction.GeneratingMutation

All Implemented Interfaces:

ExampleSetBasedPopulationOperator

public class GeneratingMutation
extends ExampleSetBasedIndividualOperator

The mutation operator for YAGGA. This operator adds single attributes from the original set, creates new ones and deselect single attributes.

Author:

Ingo Mierswa, Simon Fischer Exp $

See Also:

YAGGA

Constructor Summary

GeneratingMutation(java.util.List<Attribute> originalAttributes, double prob, int maxNumberOfAttributes, java.util.List<FeatureGenerator> generators, RandomGenerator random)

Method Summary

java.util.List<ExampleSetBasedIndividual>	operate(ExampleSetBasedIndividual individual) Performs one of the following three mutations: add a newly generated attribute add an original attribute remove an attribute
void	setUnusedFunctions(java.lang.String[] functions)

Methods inherited from class com.rapidminer.operator.features.construction.ExampleSetBasedIndividualOperator

operate, performOperation

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

GeneratingMutation

public GeneratingMutation(java.util.List<Attribute> originalAttributes,
                          double prob,
                          int maxNumberOfAttributes,
                          java.util.List<FeatureGenerator> generators,
                          RandomGenerator random)

Method Detail

setUnusedFunctions

public void setUnusedFunctions(java.lang.String[] functions)

operate

public java.util.List<ExampleSetBasedIndividual> operate(ExampleSetBasedIndividual individual)
                                                  throws java.lang.Exception

Performs one of the following three mutations:

• add a newly generated attribute
• add an original attribute
• remove an attribute

Specified by:

operate in class ExampleSetBasedIndividualOperator

Throws:

java.lang.Exception