org.wso2.extension.siddhi.execution.ml.samoa.utils.classification

Class StreamingClassificationPerformanceEvaluator

java.lang.Object

org.apache.samoa.moa.AbstractMOAObject

org.wso2.extension.siddhi.execution.ml.samoa.utils.classification.StreamingClassificationPerformanceEvaluator

All Implemented Interfaces:

Serializable, org.apache.samoa.evaluation.ClassificationPerformanceEvaluator, org.apache.samoa.evaluation.PerformanceEvaluator, org.apache.samoa.moa.MOAObject

public class StreamingClassificationPerformanceEvaluator
extends org.apache.samoa.moa.AbstractMOAObject
implements org.apache.samoa.evaluation.ClassificationPerformanceEvaluator

Uses for evaluate classification performance Combination of Samoa samoa/samoa-api/src/main/java/com/yahoo/labs/samoa/evaluation/ BasicClassificationPerformanceEvaluator.java and samoa/samoa-api/src/main/java/com/ yahoo/labs/samoa/evaluation/ClassificationPerformanceEvaluator.java

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected double[]	columnKappa
protected long[]	falseNegative
protected long[]	falsePositive
protected int	numClasses
protected double[]	rowKappa
protected long[]	support
protected long[]	trueNegative
protected long[]	truePositive
protected double	weightCorrect
protected double	weightObserved

Constructor Summary

Constructors

Constructor and Description
StreamingClassificationPerformanceEvaluator()

Method Summary

Modifier and Type	Method and Description
void	addResult(org.apache.samoa.instances.Instance inst, double[] classVotes)
void	getDescription(StringBuilder sb, int indent)
double	getFractionCorrectlyClassified()
double	getFractionIncorrectlyClassified()
double	getKappaStatistic()
double	getKappaTemporalStatistic()
org.apache.samoa.moa.core.Measurement[]	getPerformanceMeasurements()
double	getTotalWeightObserved()
void	reset()
void	reset(int numClasses)

Methods inherited from class org.apache.samoa.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 org.apache.samoa.moa.MOAObject

copy, measureByteSize

Field Detail

numClasses

protected int numClasses

support

protected long[] support

truePositive

protected long[] truePositive

falsePositive

protected long[] falsePositive

trueNegative

protected long[] trueNegative

falseNegative

protected long[] falseNegative

weightObserved

protected double weightObserved

weightCorrect

protected double weightCorrect

columnKappa

protected double[] columnKappa

rowKappa

protected double[] rowKappa

Constructor Detail

StreamingClassificationPerformanceEvaluator

public StreamingClassificationPerformanceEvaluator()

Method Detail

reset

public void reset()

Specified by:

reset in interface org.apache.samoa.evaluation.PerformanceEvaluator

reset

public void reset(int numClasses)

addResult

public void addResult(org.apache.samoa.instances.Instance inst,
                      double[] classVotes)

Specified by:

addResult in interface org.apache.samoa.evaluation.PerformanceEvaluator

getPerformanceMeasurements

public org.apache.samoa.moa.core.Measurement[] getPerformanceMeasurements()

Specified by:

getPerformanceMeasurements in interface org.apache.samoa.evaluation.PerformanceEvaluator

getDescription

public void getDescription(StringBuilder sb,
                           int indent)

Specified by:

getDescription in interface org.apache.samoa.moa.MOAObject

getTotalWeightObserved

public double getTotalWeightObserved()

getFractionCorrectlyClassified

public double getFractionCorrectlyClassified()

getFractionIncorrectlyClassified

public double getFractionIncorrectlyClassified()

getKappaStatistic

public double getKappaStatistic()

getKappaTemporalStatistic

public double getKappaTemporalStatistic()