rvl.stat.dist
Class Beta

java.lang.Object
  rvl.stat.dist.Beta

public class Beta
extends java.lang.Object

The beta distribution (central and noncentral)

Constructor Summary

Beta()

Method Summary

static double	cdf(double x, double a, double b)
static double	cdf(double x, double a, double b, double lambda)
static void	main(java.lang.String[] args)
static double	oldCdf(double x, double a, double b, double lambda)
static double	quantile(double p, double a, double b)
static double	quantile(double p, double a, double b, double lambda)

Methods inherited from class java.lang.Object

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

Constructor Detail

Beta

public Beta()

Method Detail

cdf

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

Returns:

cdf at x of central Beta(a,b) distribution

oldCdf

public static double oldCdf(double x,
                            double a,
                            double b,
                            double lambda)

Returns:

cdf at x of noncentral Beta(a, b, lambda) distribution THIS IS THE OLD VERSION

cdf

public static double cdf(double x,
                         double a,
                         double b,
                         double lambda)

Returns:

cdf at x of noncentral Beta(a, b, lambda) distribution Uses Baharef/Kemeny algorithm (backward recursion between prespecified limits)

quantile

public static double quantile(double p,
                              double a,
                              double b,
                              double lambda)

Returns:

pth quantile of noncentral Beta(a, b, lambda) distribution

quantile

public static double quantile(double p,
                              double a,
                              double b)

Returns:

pth quantile of Beta(a,b) distribution

main

public static void main(java.lang.String[] args)