com.rapidminer.operator.features.weighting
Class AbstractEntropyWeighting

java.lang.Object
  com.rapidminer.operator.Operator
      com.rapidminer.operator.features.weighting.AbstractWeighting
          com.rapidminer.operator.features.weighting.AbstractEntropyWeighting

All Implemented Interfaces:

ConfigurationListener, PreviewListener, ParameterHandler, LoggingHandler

Direct Known Subclasses:

GiniWeighting, InfoGainRatioWeighting, InfoGainWeighting

public abstract class AbstractEntropyWeighting
extends AbstractWeighting

This operator calculates the relevance of a feature by computing the an entropy value of the class distribution, if the given example set would have been splitted according to the feature.

Author:

Ingo Mierswa

Field Summary

Fields inherited from class com.rapidminer.operator.features.weighting.AbstractWeighting

PARAMETER_NORMALIZE_WEIGHTS

Constructor Summary

AbstractEntropyWeighting(OperatorDescription description)

Method Summary

AttributeWeights	calculateWeights(ExampleSet exampleSet)
abstract Criterion	getEntropyCriterion()

Methods inherited from class com.rapidminer.operator.features.weighting.AbstractWeighting

apply, getInputClasses, getOutputClasses, getParameterTypes

Methods inherited from class com.rapidminer.operator.Operator

addError, addValue, addWarning, apply, checkDeprecations, checkForStop, checkIO, checkProperties, clearErrorList, cloneOperator, createExperimentTree, createExperimentTree, createFromXML, createMarkedExperimentTree, createMarkedProcessTree, createProcessTree, createProcessTree, getAddOnlyAdditionalOutput, getApplyCount, getDeliveredOutputClasses, getDeprecationInfo, getDesiredInputClasses, getEncoding, getErrorList, getExperiment, getInnerOperatorsXML, getInput, getInput, getInput, getInputDescription, getIOContainerForInApplyLoopBreakpoint, getIODescription, getLog, getName, getOperatorClassName, getOperatorDescription, getParameter, getParameterAsBoolean, getParameterAsColor, getParameterAsDouble, getParameterAsFile, getParameterAsFile, getParameterAsInputStream, getParameterAsInt, getParameterAsMatrix, getParameterAsString, getParameterList, getParameters, getParameterType, getParent, getProcess, getStartTime, getStatus, getUserDescription, getValue, getValues, getXML, hasBreakpoint, hasBreakpoint, hasInput, inApplyLoop, isDebugMode, isEnabled, isExpanded, isParallel, isParameterSet, log, logError, logNote, logWarning, performAdditionalChecks, processFinished, processStarts, register, registerOperator, remove, rename, resume, setApplyCount, setBreakpoint, setEnabled, setExpanded, setInput, setListParameter, setOperatorParameters, setParameter, setParameters, setParent, setUserDescription, toString, unregisterOperator, writeXML

Methods inherited from class java.lang.Object

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

Constructor Detail

AbstractEntropyWeighting

public AbstractEntropyWeighting(OperatorDescription description)

Method Detail

getEntropyCriterion

public abstract Criterion getEntropyCriterion()

calculateWeights

public AttributeWeights calculateWeights(ExampleSet exampleSet)
                                  throws OperatorException

Specified by:

calculateWeights in class AbstractWeighting

Throws:

OperatorException