org.apache.mahout.math.random

Class PoissonSampler

java.lang.Object

org.apache.mahout.math.function.DoubleFunction

org.apache.mahout.math.random.AbstractSamplerFunction

org.apache.mahout.math.random.PoissonSampler

All Implemented Interfaces:

Sampler<Double>

public final class PoissonSampler
extends AbstractSamplerFunction

Samples from a Poisson distribution. Should probably not be used for lambda > 1000 or so.

Constructor Summary

Constructors

Constructor and Description
PoissonSampler(double lambda)

Method Summary

Methods

Modifier and Type	Method and Description
Double	sample()

Methods inherited from class org.apache.mahout.math.random.AbstractSamplerFunction

apply

Methods inherited from class org.apache.mahout.math.function.DoubleFunction

isDensifying

Methods inherited from class java.lang.Object

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

Constructor Detail

PoissonSampler

public PoissonSampler(double lambda)

Method Detail

sample

public Double sample()

Specified by:

sample in interface Sampler<Double>

Specified by:

sample in class AbstractSamplerFunction