Package jdistlib

Class ZeroInflatedPoisson

java.lang.Object

jdistlib.generic.GenericDistribution

jdistlib.ZeroInflatedPoisson

public class ZeroInflatedPoisson
extends GenericDistribution

Poisson distribution with an additional structural-zero probability.

Field Summary

Fields inherited from class jdistlib.generic.GenericDistribution

random

Constructor Summary

Constructors

Constructor	Description
ZeroInflatedPoisson(double lambda, double pi)

Method Summary

Modifier and Type	Method	Description
double	cumulative(double x, boolean lowerTail, boolean logP)
static double	cumulative(double x, double lambda, double pi, boolean lowerTail, boolean logP)
double	density(double x, boolean log)
static double	density(double x, double lambda, double pi, boolean giveLog)
double	quantile(double p, boolean lowerTail, boolean logP)
static double	quantile(double p, double lambda, double pi, boolean lowerTail, boolean logP)
double	random()
static double	random(double lambda, double pi, RandomEngine random)
static double[]	random(int n, double lambda, double pi, RandomEngine random)

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, random, randomInto, setRandomEngine, survival, survival, survival

Methods inherited from class java.lang.Object

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

Constructor Details

ZeroInflatedPoisson

public ZeroInflatedPoisson(double lambda,
 double pi)

Method Details

density

public static double density(double x,
 double lambda,
 double pi,
 boolean giveLog)

cumulative

public static double cumulative(double x,
 double lambda,
 double pi,
 boolean lowerTail,
 boolean logP)

quantile

public static double quantile(double p,
 double lambda,
 double pi,
 boolean lowerTail,
 boolean logP)

random

public static double random(double lambda,
 double pi,
 RandomEngine random)

random

public static double[] random(int n,
 double lambda,
 double pi,
 RandomEngine random)

density

public double density(double x,
 boolean log)

Specified by:

density in class GenericDistribution

cumulative

public double cumulative(double x,
 boolean lowerTail,
 boolean logP)

Specified by:

cumulative in class GenericDistribution

quantile

public double quantile(double p,
 boolean lowerTail,
 boolean logP)

Specified by:

quantile in class GenericDistribution

random

public double random()

Specified by:

random in class GenericDistribution