jaga.external
Class StatFunctions

java.lang.Object
  |
  +--jaga.external.StatFunctions

All Implemented Interfaces:

java.io.Serializable

public final class StatFunctions

extends java.lang.Object

implements java.io.Serializable

Thanks to Sundar Dorai-Raj for this class, downloaded free from http://www.stat.vt.edu/~sundar/java/

See Also:

Serialized Form

Constructor Summary

StatFunctions()

Method Summary

static double	betainv(double x, double p, double q)
static double	corr(Univariate x, Univariate y)
static double	cov(Univariate x, Univariate y)
static double[]	ols(Univariate x, Univariate y)
double	pchisq(double q, double df)
static double	pf(double x, double df1, double df2)
static double	pnorm(double z, boolean upper)
static double	pnorm(double x, boolean upper, double mu, double sigma2)
static double	pt(double t, double df)
static double	qnorm(double p, boolean upper)
static double	qnorm(double p, boolean upper, double mu, double sigma2)
static double	qt(double p, double ndf, boolean lower_tail)

Methods inherited from class java.lang.Object

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

Constructor Detail

StatFunctions

public StatFunctions()

Method Detail

cov

public static double cov(Univariate x,
                         Univariate y)

corr

public static double corr(Univariate x,
                          Univariate y)

ols

public static double[] ols(Univariate x,
                           Univariate y)

qnorm

public static double qnorm(double p,
                           boolean upper)

qnorm

public static double qnorm(double p,
                           boolean upper,
                           double mu,
                           double sigma2)

pnorm

public static double pnorm(double z,
                           boolean upper)

pnorm

public static double pnorm(double x,
                           boolean upper,
                           double mu,
                           double sigma2)

qt

public static double qt(double p,
                        double ndf,
                        boolean lower_tail)

pt

public static double pt(double t,
                        double df)

pchisq

public double pchisq(double q,
                     double df)

betainv

public static double betainv(double x,
                             double p,
                             double q)

pf

public static double pf(double x,
                        double df1,
                        double df2)