jsat.classifiers.evaluation

Class Precision

java.lang.Object

jsat.classifiers.evaluation.SimpleBinaryClassMetric

jsat.classifiers.evaluation.Precision

All Implemented Interfaces:

java.io.Serializable, ClassificationScore

public class Precision
extends SimpleBinaryClassMetric

Evaluates a classifier based on the Precision, where the class of index 0 is considered the positive class. This score is only valid for binary classification problems.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
Precision()
Precision(Precision toClone)

Method Summary

Modifier and Type	Method and Description
Precision	clone()
boolean	equals(java.lang.Object obj)
java.lang.String	getName() Returns the name to present for this score
double	getScore() Computes the score for the results that have been enrolled via ClassificationScore.addResult(jsat.classifiers.CategoricalResults, int, double)
int	hashCode()

Methods inherited from class jsat.classifiers.evaluation.SimpleBinaryClassMetric

addResult, addResults, lowerIsBetter, prepare

Methods inherited from class java.lang.Object

getClass, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Precision

public Precision()

Precision

public Precision(Precision toClone)

Method Detail

getScore

public double getScore()

Description copied from interface: ClassificationScore

Computes the score for the results that have been enrolled via ClassificationScore.addResult(jsat.classifiers.CategoricalResults, int, double)

Specified by:

getScore in interface ClassificationScore

Specified by:

getScore in class SimpleBinaryClassMetric

Returns:

the score for the current results

equals

public boolean equals(java.lang.Object obj)

Specified by:

equals in interface ClassificationScore

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Specified by:

hashCode in interface ClassificationScore

Overrides:

hashCode in class java.lang.Object

clone

public Precision clone()

Specified by:

clone in interface ClassificationScore

Specified by:

clone in class SimpleBinaryClassMetric

getName

public java.lang.String getName()

Description copied from interface: ClassificationScore

Returns the name to present for this score

Returns:

the score name