edu.umass.cs.mallet.base.util

Class StatFunctions

java.lang.Object

edu.umass.cs.mallet.base.util.StatFunctions

public final class StatFunctions
extends Object

Constructor Summary

Constructors

Constructor and Description
StatFunctions()

Method Summary

Modifier and Type	Method and Description
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

clone, equals, finalize, 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)