Package adaa.analytics.rules.logic.performance

Class SquaredCorrelationCriterion

java.lang.Object

adaa.analytics.rules.logic.performance.AbstractPerformanceCounter

adaa.analytics.rules.logic.performance.SquaredCorrelationCriterion

public class SquaredCorrelationCriterion
extends AbstractPerformanceCounter

Computes the square of the empirical corellation coefficient 'r' between label and prediction. Eith P=prediction, L=label, V=Variance, Cov=Covariance we calculate r by:
Cov(L,P) / sqrt(V(L)*V(P)). Uses the calculation of the superclass.

Constructor Summary

Constructors

Constructor	Description
SquaredCorrelationCriterion()

Method Summary

Modifier and Type	Method	Description
PerformanceResult	countExample(IExampleSet eset)	Counts a single example, e.g.

Methods inherited from class java.lang.Object

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

Constructor Details

SquaredCorrelationCriterion

public SquaredCorrelationCriterion()

Method Details

countExample

public PerformanceResult countExample(IExampleSet eset)

Description copied from class: AbstractPerformanceCounter

Counts a single example, e.g. by summing up errors.

Specified by:

countExample in class AbstractPerformanceCounter