Class Statistics

java.lang.Object
  Statistics

public class Statistics
extends Object

Class Statistics provides methods for computing various statistical values.

Method Summary

static double	betai(double a, double b, double x) Returns the incomplete beta function, Ix(a,b).
static double	FDistributionProbability(double F, double n1, double n2) Returns the F distribution probability function, Q(F|n1,n2).
static double	gammln(double xx) Returns the log-gamma function, ln(Γ(xx)), for xx > 0.

Methods inherited from class java.lang.Object

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

Method Detail

FDistributionProbability

public static double FDistributionProbability(double F,
                                              double n1,
                                              double n2)

Returns the F distribution probability function, Q(F|n₁,n₂).

betai

public static double betai(double a,
                           double b,
                           double x)

Returns the incomplete beta function, I_x(a,b).

gammln

public static double gammln(double xx)

Returns the log-gamma function, ln(Γ(xx)), for xx > 0.