com.github.pmerienne.trident.ml.classification

Class PAClassifier

java.lang.Object

com.github.pmerienne.trident.ml.classification.PAClassifier

All Implemented Interfaces:

Classifier<Boolean>, Serializable

public class PAClassifier
extends Object
implements Classifier<Boolean>

Passive-Aggresive binary classifier.

Author:

pmerienne

See Also:

Passive-Aggressive Algorithms Koby Crammer, Ofer Dekel, Joseph Keshet, Shai Shalev-Shwartz, Yoram Singer; 7(Mar):551--585, 2006., Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	PAClassifier.Type

Constructor Summary

Constructors

Constructor and Description
PAClassifier()
PAClassifier(PAClassifier.Type type)
PAClassifier(PAClassifier.Type type, Double aggressiveness)

Method Summary

Methods

Modifier and Type	Method and Description
Boolean	classify(double[] features)
Double	getAggressiveness()
PAClassifier.Type	getType()
double[]	getWeights()
protected void	init(int featureSize)
void	reset()
void	setAggressiveness(Double aggressiveness)
void	setType(PAClassifier.Type type)
void	setWeights(double[] weights)
String	toString()
void	update(Boolean expectedLabel, double[] features)

Methods inherited from class java.lang.Object

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

Constructor Detail

PAClassifier

public PAClassifier()

PAClassifier

public PAClassifier(PAClassifier.Type type)

PAClassifier

public PAClassifier(PAClassifier.Type type,
            Double aggressiveness)

Method Detail

classify

public Boolean classify(double[] features)

Specified by:

classify in interface Classifier<Boolean>

update

public void update(Boolean expectedLabel,
          double[] features)

Specified by:

update in interface Classifier<Boolean>

init

protected void init(int featureSize)

reset

public void reset()

Specified by:

reset in interface Classifier<Boolean>

getWeights

public double[] getWeights()

setWeights

public void setWeights(double[] weights)

getType

public PAClassifier.Type getType()

setType

public void setType(PAClassifier.Type type)

getAggressiveness

public Double getAggressiveness()

setAggressiveness

public void setAggressiveness(Double aggressiveness)

toString

public String toString()

Overrides:

toString in class Object