moa.classifiers.trees

Class HoeffdingTree.Node

java.lang.Object

moa.AbstractMOAObject

moa.classifiers.trees.HoeffdingTree.Node

All Implemented Interfaces:

Serializable, MOAObject

Direct Known Subclasses:

HoeffdingTree.LearningNode, HoeffdingTree.SplitNode

Enclosing class:

HoeffdingTree

public static class HoeffdingTree.Node
extends AbstractMOAObject

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected DoubleVector	observedClassDistribution

Constructor Summary

Constructors

Constructor and Description
HoeffdingTree.Node(double[] classObservations)

Method Summary

Methods

Modifier and Type	Method and Description
int	calcByteSize()
int	calcByteSizeIncludingSubtree()
double	calculatePromise()
void	describeSubtree(HoeffdingTree ht, StringBuilder out, int indent)
HoeffdingTree.FoundNode	filterInstanceToLeaf(weka.core.Instance inst, HoeffdingTree.SplitNode parent, int parentBranch)
double[]	getClassVotes(weka.core.Instance inst, HoeffdingTree ht)
void	getDescription(StringBuilder sb, int indent) Returns a string representation of this object.
double[]	getObservedClassDistribution()
boolean	isLeaf()
boolean	observedClassDistributionIsPure()
int	subtreeDepth()

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

observedClassDistribution

protected DoubleVector observedClassDistribution

Constructor Detail

HoeffdingTree.Node

public HoeffdingTree.Node(double[] classObservations)

Method Detail

calcByteSize

public int calcByteSize()

calcByteSizeIncludingSubtree

public int calcByteSizeIncludingSubtree()

isLeaf

public boolean isLeaf()

filterInstanceToLeaf

public HoeffdingTree.FoundNode filterInstanceToLeaf(weka.core.Instance inst,
                                           HoeffdingTree.SplitNode parent,
                                           int parentBranch)

getObservedClassDistribution

public double[] getObservedClassDistribution()

getClassVotes

public double[] getClassVotes(weka.core.Instance inst,
                     HoeffdingTree ht)

observedClassDistributionIsPure

public boolean observedClassDistributionIsPure()

describeSubtree

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

subtreeDepth

public int subtreeDepth()

calculatePromise

public double calculatePromise()

getDescription

public void getDescription(StringBuilder sb,
                  int indent)

Description copied from interface: MOAObject

Returns a string representation of this object. Used in AbstractMOAObject.toString to give a string representation of the object.

Parameters:

sb - the stringbuilder to add the description

indent - the number of characters to indent