umcg.genetica.math.stats

Class KolmogorovSmirnov

java.lang.Object

umcg.genetica.math.stats.KolmogorovSmirnov

public class KolmogorovSmirnov
extends Object

Author:

harmjan

Constructor Summary

Constructors

Constructor and Description
KolmogorovSmirnov()

Method Summary

Modifier and Type	Method and Description
static double	getKSP(double[] vals1, double[] vals2) Calculates a 2-sample Kolmogorov-Smirnov p-value.
static double	getKSZ(double[] vals1, double[] vals2) Calculates a 2-sample Kolmogorov-Smirnov Z value.
static double	getProbabilityKolmogorovSmirnov(double d, double n1, double n2)
static double	zToP(double z) Converts a Kolmogorov-Smirnov Z value to a p-value.

Methods inherited from class java.lang.Object

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

Constructor Detail

KolmogorovSmirnov

public KolmogorovSmirnov()

Method Detail

getProbabilityKolmogorovSmirnov

public static double getProbabilityKolmogorovSmirnov(double d,
                                                     double n1,
                                                     double n2)

getKSP

public static double getKSP(double[] vals1,
                            double[] vals2)

Calculates a 2-sample Kolmogorov-Smirnov p-value.

Parameters:

vals1 - sample 1, must be sorted!

vals2 - sample 2, must be sorted!

Returns:

K-S p

getKSZ

public static double getKSZ(double[] vals1,
                            double[] vals2)

Calculates a 2-sample Kolmogorov-Smirnov Z value. Note! Arrays must be sorted.

Parameters:

vals1 - sample 1, must be sorted.

vals2 - sample 2, must be sorted.

Returns:

K-S Z

zToP

public static double zToP(double z)

Converts a Kolmogorov-Smirnov Z value to a p-value.

Parameters:

z -

Returns:

p