com.numericalmethod.suanshu.stats.random.univariate

Class BinomialRng

java.lang.Object

com.numericalmethod.suanshu.stats.random.univariate.BinomialRng

All Implemented Interfaces:

RandomNumberGenerator, java.io.Serializable

public class BinomialRng
extends java.lang.Object
implements RandomNumberGenerator

This random number generator samples from the binomial distribution.

The R equivalent class are dbinom, pbinom, qbinom, rbinom.

See Also:

Wikipedia: Binomial distribution, Serialized Form

Constructor Summary

Constructors

Constructor and Description
BinomialRng(int n, double p) Construct a random number generator to sample from the binomial distribution.

Method Summary

Modifier and Type	Method and Description
double	nextDouble() Get the next random double.
void	seed(long... seeds) Seed the random number generator to produce repeatable sequences.

Methods inherited from class java.lang.Object

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

Constructor Detail

BinomialRng

public BinomialRng(int n,
                   double p)

Construct a random number generator to sample from the binomial distribution.

Parameters:

n - the number of trials, a natural number

p - the success probability in each trial, [0, 1]

Method Detail

seed

public void seed(long... seeds)

Description copied from interface: RandomNumberGenerator

Seed the random number generator to produce repeatable sequences.

Specified by:

seed in interface RandomNumberGenerator

Parameters:

seeds - the seeds

nextDouble

public double nextDouble()

Description copied from interface: RandomNumberGenerator

Get the next random double.

Specified by:

nextDouble in interface RandomNumberGenerator

Returns:

the next random number