com.freevariable.lancer.random

Class Poisson

java.lang.Object

com.freevariable.lancer.random.Poisson

public class Poisson
extends Object

Constructor Summary

Constructors

Constructor and Description
Poisson(double lambda, long seed)
Poisson(double lambda, RandomEngine re)

Method Summary

Modifier and Type	Method and Description
double	expectedMean()
double	expectedVariance()
double	nextDouble()
int	nextInt() Returns the next value the Poisson distribution; technique is due to Algorithm 369, CACM, January 1970

Methods inherited from class java.lang.Object

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

Constructor Detail

Poisson

public Poisson(double lambda,
               long seed)

Poisson

public Poisson(double lambda,
               RandomEngine re)

Method Detail

nextInt

public int nextInt()

Returns the next value the Poisson distribution; technique is due to Algorithm 369, CACM, January 1970

nextDouble

public double nextDouble()

expectedMean

public double expectedMean()

expectedVariance

public double expectedVariance()