jdistlib

Class InvGamma

java.lang.Object

jdistlib.generic.GenericDistribution

jdistlib.InvGamma

public class InvGamma
extends jdistlib.generic.GenericDistribution

Field Summary

Fields

Modifier and Type	Field and Description
protected double	scale
protected double	shape

Fields inherited from class jdistlib.generic.GenericDistribution

random

Constructor Summary

Constructors

Constructor and Description
InvGamma(double shape, double scale)

Method Summary

Modifier and Type	Method and Description
double	cumulative(double p, boolean lower_tail, boolean log_p)
static double	cumulative(double x, double alph, double scale, boolean lower_tail, boolean log_p)
double	density(double x, boolean log)
static double	density(double x, double shape, double scale, boolean give_log)
double	quantile(double q, boolean lower_tail, boolean log_p)
static double	quantile(double x, double alph, double scale, boolean lower_tail, boolean log_p)
double	random()
static double	random(double alph, double scale, jdistlib.rng.RandomEngine random)
static double[]	random(int n, double alph, double scale, jdistlib.rng.RandomEngine random)

Methods inherited from class jdistlib.generic.GenericDistribution

cumulative_hazard, cumulative_hazard, cumulative, cumulative, cumulative, density, density, getRandomEngine, hazard, hazard, inverse_survival, inverse_survival, quantile, quantile, quantile, random, random, setRandomEngine, survival, survival, survival

Methods inherited from class java.lang.Object

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

Field Detail

shape

protected double shape

scale

protected double scale

Constructor Detail

InvGamma

public InvGamma(double shape,
                double scale)

Method Detail

density

public static final double density(double x,
                                   double shape,
                                   double scale,
                                   boolean give_log)

cumulative

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

quantile

public static final double quantile(double x,
                                    double alph,
                                    double scale,
                                    boolean lower_tail,
                                    boolean log_p)

random

public static final double random(double alph,
                                  double scale,
                                  jdistlib.rng.RandomEngine random)

random

public static final double[] random(int n,
                                    double alph,
                                    double scale,
                                    jdistlib.rng.RandomEngine random)

density

public double density(double x,
                      boolean log)

Specified by:

density in class jdistlib.generic.GenericDistribution

cumulative

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

Specified by:

cumulative in class jdistlib.generic.GenericDistribution

quantile

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

Specified by:

quantile in class jdistlib.generic.GenericDistribution

random

public double random()

Specified by:

random in class jdistlib.generic.GenericDistribution