Class VarianceRatioSplitCriterion
- java.lang.Object
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- moa.AbstractMOAObject
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- moa.options.AbstractOptionHandler
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- moa.classifiers.rules.core.splitcriteria.VarianceRatioSplitCriterion
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- All Implemented Interfaces:
Configurable
,Serializable
,SplitCriterion
,AMRulesSplitCriterion
,MOAObject
,OptionHandler
public class VarianceRatioSplitCriterion extends AbstractOptionHandler implements AMRulesSplitCriterion
- See Also:
- Serialized Form
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Field Summary
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Fields inherited from class moa.options.AbstractOptionHandler
config
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Constructor Summary
Constructors Constructor Description VarianceRatioSplitCriterion()
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description double[]
computeBranchSplitMerits(double[][] postSplitDists)
void
getDescription(StringBuilder sb, int indent)
Returns a string representation of this object.double
getMeritOfSplit(double[] preSplitDist, double[][] postSplitDists)
Computes the merit of splitting for a given ditribution before the split and after it.double
getRangeOfMerit(double[] preSplitDist)
Computes the range of splitting meritprotected void
prepareForUseImpl(TaskMonitor monitor, ObjectRepository repository)
This method describes the implementation of how to prepare this object for use.-
Methods inherited from class moa.options.AbstractOptionHandler
copy, getCLICreationString, getOptions, getPreparedClassOption, getPurposeString, prepareClassOptions, prepareForUse, prepareForUse
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Methods inherited from class moa.AbstractMOAObject
copy, measureByteSize, measureByteSize, toString
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Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
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Methods inherited from interface moa.MOAObject
measureByteSize
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Methods inherited from interface moa.options.OptionHandler
copy, getCLICreationString, getOptions, getPurposeString, prepareForUse, prepareForUse
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Method Detail
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computeBranchSplitMerits
public double[] computeBranchSplitMerits(double[][] postSplitDists)
- Specified by:
computeBranchSplitMerits
in interfaceAMRulesSplitCriterion
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getMeritOfSplit
public double getMeritOfSplit(double[] preSplitDist, double[][] postSplitDists)
Description copied from interface:SplitCriterion
Computes the merit of splitting for a given ditribution before the split and after it.- Specified by:
getMeritOfSplit
in interfaceAMRulesSplitCriterion
- Specified by:
getMeritOfSplit
in interfaceSplitCriterion
- Parameters:
preSplitDist
- the class distribution before the splitpostSplitDists
- the class distribution after the split- Returns:
- value of the merit of splitting
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getRangeOfMerit
public double getRangeOfMerit(double[] preSplitDist)
Description copied from interface:SplitCriterion
Computes the range of splitting merit- Specified by:
getRangeOfMerit
in interfaceAMRulesSplitCriterion
- Specified by:
getRangeOfMerit
in interfaceSplitCriterion
- Parameters:
preSplitDist
- the class distribution before the split- Returns:
- value of the range of splitting merit
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getDescription
public void getDescription(StringBuilder sb, int indent)
Description copied from interface:MOAObject
Returns a string representation of this object. Used inAbstractMOAObject.toString
to give a string representation of the object.- Specified by:
getDescription
in interfaceMOAObject
- Parameters:
sb
- the stringbuilder to add the descriptionindent
- the number of characters to indent
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prepareForUseImpl
protected void prepareForUseImpl(TaskMonitor monitor, ObjectRepository repository)
Description copied from class:AbstractOptionHandler
This method describes the implementation of how to prepare this object for use. All classes that extends this class have to implementprepareForUseImpl
and notprepareForUse
sinceprepareForUse
callsprepareForUseImpl
.- Specified by:
prepareForUseImpl
in classAbstractOptionHandler
- Parameters:
monitor
- the TaskMonitor to userepository
- the ObjectRepository to use
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