moa.classifiers.trees

Class HoeffdingOptionTree.SplitNode

java.lang.Object

moa.AbstractMOAObject

moa.classifiers.trees.HoeffdingOptionTree.Node

moa.classifiers.trees.HoeffdingOptionTree.SplitNode

All Implemented Interfaces:

Serializable, MOAObject

Enclosing class:

HoeffdingOptionTree

public static class HoeffdingOptionTree.SplitNode
extends HoeffdingOptionTree.Node

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected AutoExpandVector<HoeffdingOptionTree.Node>	children
protected HoeffdingOptionTree.Node	nextOption
protected int	optionCount
protected HoeffdingOptionTree.SplitNode	parent
protected InstanceConditionalTest	splitTest

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

observedClassDistribution

Constructor Summary

Constructors

Constructor and Description
HoeffdingOptionTree.SplitNode(InstanceConditionalTest splitTest, double[] classObservations)

Method Summary

Methods

Modifier and Type	Method and Description
int	calcByteSize()
int	calcByteSizeIncludingSubtree()
double	computeMeritOfExistingSplit(SplitCriterion splitCriterion, double[] preDist)
void	describeSubtree(HoeffdingOptionTree ht, StringBuilder out, int indent)
void	filterInstanceToLeaves(weka.core.Instance inst, HoeffdingOptionTree.SplitNode myparent, int parentBranch, List<HoeffdingOptionTree.FoundNode> foundNodes, boolean updateSplitterCounts)
HoeffdingOptionTree.Node	getChild(int index)
int	getHeadOptionCount()
int	instanceChildIndex(weka.core.Instance inst)
boolean	isLeaf()
int	numChildren()
void	setChild(int index, HoeffdingOptionTree.Node child)
int	subtreeDepth()
void	updateOptionCount(HoeffdingOptionTree.SplitNode source, HoeffdingOptionTree hot)
void	updateOptionCountBelow(int delta, HoeffdingOptionTree hot)

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

calculatePromise, filterInstanceToLeaves, getClassVotes, getDescription, getObservedClassDistribution, observedClassDistributionIsPure

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

splitTest

protected InstanceConditionalTest splitTest

parent

protected HoeffdingOptionTree.SplitNode parent

nextOption

protected HoeffdingOptionTree.Node nextOption

optionCount

protected int optionCount

children

protected AutoExpandVector<HoeffdingOptionTree.Node> children

Constructor Detail

HoeffdingOptionTree.SplitNode

public HoeffdingOptionTree.SplitNode(InstanceConditionalTest splitTest,
                             double[] classObservations)

Method Detail

calcByteSize

public int calcByteSize()

Overrides:

calcByteSize in class HoeffdingOptionTree.Node

calcByteSizeIncludingSubtree

public int calcByteSizeIncludingSubtree()

Overrides:

calcByteSizeIncludingSubtree in class HoeffdingOptionTree.Node

numChildren

public int numChildren()

setChild

public void setChild(int index,
            HoeffdingOptionTree.Node child)

getChild

public HoeffdingOptionTree.Node getChild(int index)

instanceChildIndex

public int instanceChildIndex(weka.core.Instance inst)

isLeaf

public boolean isLeaf()

Overrides:

isLeaf in class HoeffdingOptionTree.Node

filterInstanceToLeaves

public void filterInstanceToLeaves(weka.core.Instance inst,
                          HoeffdingOptionTree.SplitNode myparent,
                          int parentBranch,
                          List<HoeffdingOptionTree.FoundNode> foundNodes,
                          boolean updateSplitterCounts)

Overrides:

filterInstanceToLeaves in class HoeffdingOptionTree.Node

describeSubtree

public void describeSubtree(HoeffdingOptionTree ht,
                   StringBuilder out,
                   int indent)

Overrides:

describeSubtree in class HoeffdingOptionTree.Node

subtreeDepth

public int subtreeDepth()

Overrides:

subtreeDepth in class HoeffdingOptionTree.Node

computeMeritOfExistingSplit

public double computeMeritOfExistingSplit(SplitCriterion splitCriterion,
                                 double[] preDist)

updateOptionCount

public void updateOptionCount(HoeffdingOptionTree.SplitNode source,
                     HoeffdingOptionTree hot)

updateOptionCountBelow

public void updateOptionCountBelow(int delta,
                          HoeffdingOptionTree hot)

getHeadOptionCount

public int getHeadOptionCount()