org.dkpro.statistics.significance

Class FisherZTransformation

java.lang.Object

org.dkpro.statistics.significance.FisherZTransformation

public class FisherZTransformation
extends Object

Constructor Summary

Constructors

Constructor and Description
FisherZTransformation()

Method Summary

Modifier and Type	Method and Description
static double	retransform(double value)
static double	transform(double value) zf = 1/2 * ln( (1+r) / (1-r) )

Methods inherited from class java.lang.Object

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

Constructor Detail

FisherZTransformation

public FisherZTransformation()

Method Detail

transform

public static double transform(double value)

zf = 1/2 * ln( (1+r) / (1-r) )

Parameters:

value - A correlation value

Returns:

The Fisher Z-value for the given correlation

retransform

public static double retransform(double value)