moa.classifiers.trees

Class ORTO.ActiveLearningNode

java.lang.Object

moa.AbstractMOAObject

moa.classifiers.trees.ORTO.Node

moa.classifiers.trees.ORTO.ActiveLearningNode

All Implemented Interfaces:

Serializable, MOAObject

Enclosing class:

ORTO

public static class ORTO.ActiveLearningNode
extends ORTO.Node

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected AutoExpandVector<AttributeClassObserver>	attributeObservers
protected int	examplesSeen
protected int	examplesSeenAtLastSplitEvaluation
ORTO.ORTOPerceptron	learningModel
protected DoubleVector	nodeStatistics
protected double	PHmT
protected double	PHMT
protected DoubleVector	splitRatioStatistics

Fields inherited from class moa.classifiers.trees.ORTO.Node

Adaptable, Alternate, alternateTree, ID, parent

Constructor Summary

Constructors

Constructor and Description
ORTO.ActiveLearningNode(int id)

Method Summary

Methods

Modifier and Type	Method and Description
int	calcByteSize()
void	disableAttribute(int attIndex)
AttributeSplitSuggestion[]	getBestSplitSuggestions(SplitCriterion criterion, ORTO tree) Return the best split suggestions for this node using the given split criteria
double	getError(weka.core.Instance inst) Return the error for a given instance
double	getPHError(weka.core.Instance inst)
double[]	getPrediction(weka.core.Instance inst, ORTO tree)
double	getSquaredError() Returns the squared error, for use in determining if an alternate tree is performing better than an original tree, or if the alternate tree should be deleted
double[]	processInstance(weka.core.Instance inst, ORTO tree)

Methods inherited from class moa.classifiers.trees.ORTO.Node

calculateDetph, getChildIndex, getDescription, getLevel, getNumSubtrees, getParent, isLeaf, setAdaptable, setAlternate, setChild, setParent

Methods inherited from class moa.AbstractMOAObject

copy, copy, measureByteSize, measureByteSize, toString

Methods inherited from class java.lang.Object

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

Field Detail

learningModel

public ORTO.ORTOPerceptron learningModel

nodeStatistics

protected DoubleVector nodeStatistics

splitRatioStatistics

protected DoubleVector splitRatioStatistics

PHmT

protected double PHmT

PHMT

protected double PHMT

examplesSeenAtLastSplitEvaluation

protected int examplesSeenAtLastSplitEvaluation

examplesSeen

protected int examplesSeen

attributeObservers

protected AutoExpandVector<AttributeClassObserver> attributeObservers

Constructor Detail

ORTO.ActiveLearningNode

public ORTO.ActiveLearningNode(int id)

Method Detail

calcByteSize

public int calcByteSize()

Overrides:

calcByteSize in class ORTO.Node

getBestSplitSuggestions

public AttributeSplitSuggestion[] getBestSplitSuggestions(SplitCriterion criterion,
                                                 ORTO tree)

Return the best split suggestions for this node using the given split criteria

disableAttribute

public void disableAttribute(int attIndex)

getPHError

public double getPHError(weka.core.Instance inst)

getSquaredError

public double getSquaredError()

Returns the squared error, for use in determining if an alternate tree is performing better than an original tree, or if the alternate tree should be deleted

getError

public double getError(weka.core.Instance inst)

Return the error for a given instance

processInstance

public double[] processInstance(weka.core.Instance inst,
                       ORTO tree)

Overrides:

processInstance in class ORTO.Node

getPrediction

public double[] getPrediction(weka.core.Instance inst,
                     ORTO tree)

Overrides:

getPrediction in class ORTO.Node