Package jdistlib

Class BirnbaumSaunders

java.lang.Object

jdistlib.generic.GenericDistribution

jdistlib.BirnbaumSaunders

public class BirnbaumSaunders
extends GenericDistribution

Birnbaum-Saunders (fatigue-life) distribution with shape alpha, scale beta, and location mu.

The support is x > mu. The parameterization follows the GPL-2 extraDistr dfatigue API.

Field Summary

Fields inherited from class jdistlib.generic.GenericDistribution

random

Constructor Summary

Constructors

Constructor	Description
BirnbaumSaunders(double alpha, double beta, double mu)

Method Summary

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

BirnbaumSaunders

public BirnbaumSaunders(double alpha,
 double beta,
 double mu)

Method Details

density

public static double density(double x,
 double alpha,
 double beta,
 double mu,
 boolean giveLog)

cumulative

public static double cumulative(double x,
 double alpha,
 double beta,
 double mu,
 boolean lowerTail,
 boolean logP)

quantile

public static double quantile(double p,
 double alpha,
 double beta,
 double mu,
 boolean lowerTail,
 boolean logP)

random

public static double random(double alpha,
 double beta,
 double mu,
 RandomEngine random)

random

public static double[] random(int n,
 double alpha,
 double beta,
 double mu,
 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