net.sf.doodleproject.numerics4j.random
Class BernoulliRandomVariable

java.lang.Object
  net.sf.doodleproject.numerics4j.random.AbstractDiscreteRandomVariable
      net.sf.doodleproject.numerics4j.random.BernoulliRandomVariable

All Implemented Interfaces:

DiscreteRandomVariable

public class BernoulliRandomVariable
extends AbstractDiscreteRandomVariable

A random variable generator for the Bernoulli distribution.

References:

1. Wikipedia contributors, "Bernoulli Distribution," Wikipedia, The Free Encyclopedia, http://en.wikipedia.org/wiki/Bernoulli_distribution

Since:

1.3

Version:

$Revision: 1.3 $ $Date: 2007/11/18 23:51:19 $

Constructor Summary

BernoulliRandomVariable()
Default constructor.

BernoulliRandomVariable(double p)
Create a random variable with the given probability of success.

BernoulliRandomVariable(double p, RNG source)
Create a random variable with the given probability of success and source generator.

Method Summary

int	nextRandomVariable() Access the next random variable from this generator.
static int	nextRandomVariable(double p, RNG source) Access the next random variable using the given generator.

Methods inherited from class net.sf.doodleproject.numerics4j.random.AbstractDiscreteRandomVariable

getSource, nextRandomNumber

Methods inherited from class java.lang.Object

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

Constructor Detail

BernoulliRandomVariable

public BernoulliRandomVariable()

Default constructor. The probability of success is set to 0.5.

BernoulliRandomVariable

public BernoulliRandomVariable(double p)

Create a random variable with the given probability of success.

Parameters:

p - the probability of success.

BernoulliRandomVariable

public BernoulliRandomVariable(double p,
                               RNG source)

Create a random variable with the given probability of success and source generator.

Parameters:

p - the probability of success.

source - the source generator.

Method Detail

nextRandomVariable

public static int nextRandomVariable(double p,
                                     RNG source)

Access the next random variable using the given generator.

Parameters:

p - the probability of success.

source - the source generator.

Returns:

the next random variable.

nextRandomVariable

public int nextRandomVariable()

Access the next random variable from this generator.

Returns:

the next random variable.