Package jdistlib

Class Poisson

java.lang.Object

jdistlib.generic.GenericDistribution

jdistlib.Poisson

All Implemented Interfaces:

TransformDistribution, SupportedDistribution

public class Poisson
extends GenericDistribution
implements SupportedDistribution, TransformDistribution

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	Poisson.RandomState

Field Summary

Fields

Modifier and Type	Field	Description
protected double	lambda
protected Poisson.RandomState	state

Fields inherited from class jdistlib.generic.GenericDistribution

random

Constructor Summary

Constructors

Constructor	Description
Poisson(double lambda)

Method Summary

Modifier and Type	Method	Description
static final Poisson.RandomState	create_random_state()
double	cumulative(double p, boolean lower_tail, boolean log_p)
static final double	cumulative(double x, double lambda, boolean lower_tail, boolean log_p)
double	density(double x, boolean log)
static final double	density(double x, double lambda, boolean give_log)
static final double	density_raw(double x, double lambda, boolean give_log)
double	getLowerBound()
double	getUpperBound()
Complex	logCharacteristic(double frequency)
Complex	logMomentGenerating(double argument)
TransformDomain	momentGeneratingDomain()
double	quantile(double q, boolean lower_tail, boolean log_p)
static final double	quantile(double p, double lambda, boolean lower_tail, boolean log_p)
double	random()
static final double	random(double mu, RandomEngine random)
static final double	random(double mu, RandomEngine random, Poisson.RandomState state)
double[]	random(int n)
static final double[]	random(int n, double mu, RandomEngine random)
static final double[]	random(int n, double mu, RandomEngine random, Poisson.RandomState state)

Methods inherited from class jdistlib.generic.GenericDistribution

copyBackward, cumulative, cumulative, cumulative, cumulative_hazard, cumulative_hazard, cumulativeInto, density, density, densityInto, getRandomEngine, hazard, hazard, inverse_survival, inverse_survival, quantile, quantile, quantile, quantileInto, random, randomInto, setRandomEngine, survival, survival, survival

Methods inherited from class java.lang.Object

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

Field Details

lambda

protected double lambda

state

protected Poisson.RandomState state

Constructor Details

Poisson

public Poisson(double lambda)

Method Details

create_random_state

public static final Poisson.RandomState create_random_state()

density_raw

public static final double density_raw(double x,
 double lambda,
 boolean give_log)

density

public static final double density(double x,
 double lambda,
 boolean give_log)

cumulative

public static final double cumulative(double x,
 double lambda,
 boolean lower_tail,
 boolean log_p)

quantile

public static final double quantile(double p,
 double lambda,
 boolean lower_tail,
 boolean log_p)

random

public static final double random(double mu,
 RandomEngine random)

random

public static final double[] random(int n,
 double mu,
 RandomEngine random)

random

public static final double[] random(int n,
 double mu,
 RandomEngine random,
 Poisson.RandomState state)

random

public static final double random(double mu,
 RandomEngine random,
 Poisson.RandomState state)

density

public double density(double x,
 boolean log)

Specified by:

density in class GenericDistribution

cumulative

public double cumulative(double p,
 boolean lower_tail,
 boolean log_p)

Specified by:

cumulative in class GenericDistribution

quantile

public double quantile(double q,
 boolean lower_tail,
 boolean log_p)

Specified by:

quantile in class GenericDistribution

random

public double random()

Specified by:

random in class GenericDistribution

random

public double[] random(int n)

Overrides:

random in class GenericDistribution

logCharacteristic

public Complex logCharacteristic(double frequency)

Specified by:

logCharacteristic in interface TransformDistribution

logMomentGenerating

public Complex logMomentGenerating(double argument)

Specified by:

logMomentGenerating in interface TransformDistribution

momentGeneratingDomain

public TransformDomain momentGeneratingDomain()

Specified by:

momentGeneratingDomain in interface TransformDistribution

getLowerBound

public double getLowerBound()

Specified by:

getLowerBound in interface SupportedDistribution

getUpperBound

public double getUpperBound()

Specified by:

getUpperBound in interface SupportedDistribution