org.ojalgo.random

Class Binomial

java.lang.Object

java.lang.Number

org.ojalgo.random.RandomNumber

org.ojalgo.random.Binomial

All Implemented Interfaces:

Serializable, DoubleSupplier, Supplier<Double>, BasicFunction<Double>, NullaryFunction<Double>, DiscreteDistribution, Distribution

public class Binomial
extends RandomNumber

The frequency in aCount indepedent trials, each with probability aProbability, has a binomial distribution.

Author:

apete

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from interface org.ojalgo.function.BasicFunction

BasicFunction.Differentiable<N extends Number,F extends BasicFunction<N>>, BasicFunction.Integratable<N extends Number,F extends BasicFunction<N>>

Constructor Summary

Constructors

Constructor and Description
Binomial()
Binomial(int aCount, double aProbability)

Method Summary

Modifier and Type	Method and Description
protected double	generate()
double	getExpected()
double	getProbability(int value) Probability density function
double	getVariance() Subclasses must override either getStandardDeviation() or getVariance()!

Methods inherited from class org.ojalgo.random.RandomNumber

checkProbabilty, doubleValue, floatValue, getStandardDeviation, intValue, invoke, longValue, random, setSeed, toString

Methods inherited from class java.lang.Number

byteValue, shortValue

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.ojalgo.random.Distribution

getStandardDeviation

Methods inherited from interface org.ojalgo.function.NullaryFunction

andThen, get, getAsDouble

Constructor Detail

Binomial

public Binomial()

Binomial

public Binomial(int aCount,
                double aProbability)

Method Detail

getExpected

public double getExpected()

getProbability

public double getProbability(int value)

Description copied from interface: DiscreteDistribution

Probability density function

getVariance

public double getVariance()

Description copied from class: RandomNumber

Subclasses must override either getStandardDeviation() or getVariance()!

Specified by:

getVariance in interface Distribution

Overrides:

getVariance in class RandomNumber

See Also:

Distribution.getStandardDeviation(), Distribution.getVariance()

generate

protected double generate()

Specified by:

generate in class RandomNumber