jhplot.math.num.random

Class FRandomVariable

java.lang.Object

jhplot.math.num.random.AbstractContinuousRandomVariable

jhplot.math.num.random.FRandomVariable

All Implemented Interfaces:

ContinuousRandomVariable

public class FRandomVariable
extends AbstractContinuousRandomVariable

A random variable generator for the F distribution.

References:

1. Wikipedia contributors, "F-distribution," Wikipedia, The Free Encyclopedia, http://en.wikipedia.org/wiki/F_distribution

Since:

1.3

Constructor Summary

Constructors

Constructor and Description
FRandomVariable() Default constructor.
FRandomVariable(double dfn, double dfd) Create a random variable with the given numerator degrees of freedom and denominator degrees of freedom.
FRandomVariable(double dfn, double dfd, RNG source) Create a random variable with the given parameters.

Method Summary

Modifier and Type	Method and Description
double	nextRandomVariable() Access the next random variable from this generator.
static double	nextRandomVariable(double dfn, double dfd, RNG source) Access the next random variable using the given generator.

Methods inherited from class java.lang.Object

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

Constructor Detail

FRandomVariable

public FRandomVariable()

Default constructor. Numerator degrees of freedom and denominator degrees of freedom are both set to 1.

FRandomVariable

public FRandomVariable(double dfn,
                       double dfd)

Create a random variable with the given numerator degrees of freedom and denominator degrees of freedom.

Parameters:

dfn - the numerator degrees of freedom.

dfd - the denominator degrees of freedom.

FRandomVariable

public FRandomVariable(double dfn,
                       double dfd,
                       RNG source)

Create a random variable with the given parameters.

Parameters:

dfn - the numerator degrees of freedom.

dfd - the denominator degrees of freedom.

source - the source generator.

Method Detail

nextRandomVariable

public static double nextRandomVariable(double dfn,
                                        double dfd,
                                        RNG source)

Access the next random variable using the given generator.

Parameters:

dfn - the numerator degrees of freedom.

dfd - the denominator degrees of freedom.

source - the source generator.

Returns:

the next random variable.

nextRandomVariable

public double nextRandomVariable()

Access the next random variable from this generator.

Returns:

the next random variable.