Module ojalgo

Package org.ojalgo.random

Class Binomial

java.lang.Object

org.ojalgo.random.RandomNumber

org.ojalgo.random.AbstractDiscrete

org.ojalgo.random.Binomial

All Implemented Interfaces:

Comparable<RandomNumber>, DoubleSupplier, Supplier<Double>, BasicFunction, NullaryFunction<Double>, PrimitiveFunction.Nullary, DiscreteDistribution, Distribution, AccessScalar<Double>, ComparableNumber<RandomNumber>, NumberDefinition

public class Binomial
extends AbstractDiscrete

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

Nested Class Summary

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

BasicFunction.Differentiable<N extends Comparable<N>,F extends BasicFunction>, BasicFunction.Integratable<N extends Comparable<N>,F extends BasicFunction>, BasicFunction.PlainUnary<T,R>

Field Summary

Fields

Modifier and Type	Field	Description
private final int	myCount
private final double	myProbability

Constructor Summary

Constructors

Constructor	Description
Binomial()
Binomial(int count, double probability)

Method Summary

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

Methods inherited from class org.ojalgo.random.RandomNumber

checkProbabilty, compareTo, doubleValue, floatValue, getStandardDeviation, intValue, invoke, longValue, newSampleSet, random, setRandom, setSeed, toString

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

Methods inherited from interface org.ojalgo.type.NumberDefinition

booleanValue, byteValue, shortValue

Field Details

myCount

private final int myCount

myProbability

private final double myProbability

Constructor Details

Binomial

public Binomial()

Binomial

public Binomial(int count,
 double probability)

Method Details

of

public static Binomial of(int count,
 double probability)

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