moa.evaluation

Class BasicClusteringPerformanceEvaluator

java.lang.Object

moa.AbstractMOAObject

moa.evaluation.BasicClusteringPerformanceEvaluator

All Implemented Interfaces:

Serializable, LearningPerformanceEvaluator, MOAObject

public class BasicClusteringPerformanceEvaluator
extends AbstractMOAObject
implements LearningPerformanceEvaluator

Clustering evaluator that performs basic incremental evaluation.

Version:

$Revision: 7 $

Author:

Albert Bifet (abifet at cs dot waikato dot ac dot nz)

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected double	weightCorrect
protected double	weightObserved

Constructor Summary

Constructors

Constructor and Description
BasicClusteringPerformanceEvaluator()

Method Summary

Methods

Modifier and Type	Method and Description
void	addLearningAttempt(int trueClass, double[] classVotes, double weight)
void	getDescription(StringBuilder sb, int indent) Returns a string representation of this object.
double	getFractionCorrectlyClassified()
double	getFractionIncorrectlyClassified()
Measurement[]	getPerformanceMeasurements()
double	getTotalWeightObserved()
void	reset()

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

Methods inherited from interface moa.MOAObject

copy, measureByteSize

Field Detail

weightObserved

protected double weightObserved

weightCorrect

protected double weightCorrect

Constructor Detail

BasicClusteringPerformanceEvaluator

public BasicClusteringPerformanceEvaluator()

Method Detail

reset

public void reset()

Specified by:

reset in interface LearningPerformanceEvaluator

addLearningAttempt

public void addLearningAttempt(int trueClass,
                      double[] classVotes,
                      double weight)

Specified by:

addLearningAttempt in interface LearningPerformanceEvaluator

getPerformanceMeasurements

public Measurement[] getPerformanceMeasurements()

Specified by:

getPerformanceMeasurements in interface LearningPerformanceEvaluator

getTotalWeightObserved

public double getTotalWeightObserved()

getFractionCorrectlyClassified

public double getFractionCorrectlyClassified()

getFractionIncorrectlyClassified

public double getFractionIncorrectlyClassified()

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.

Specified by:

getDescription in interface MOAObject

Parameters:

sb - the stringbuilder to add the description

indent - the number of characters to indent