Package jdistlib

Class MultivariateStudentT

java.lang.Object

jdistlib.MultivariateStudentT

public final class MultivariateStudentT
extends Object

Elliptical multivariate Student t distribution.

Method Summary

Modifier and Type	Method	Description
static MultivariateProbabilityResult	cumulative(double[] upper, double[] location, double[][] scale, double degreesOfFreedom)
static MultivariateProbabilityResult	cumulative(double[] upper, double[] location, double[][] scale, double degreesOfFreedom, MultivariateProbabilityOptions options, RandomEngine random)	Computes P[X[i] <= upper[i] for every i].
static double	density(double[] x, double[] location, double[][] scale, double degreesOfFreedom, boolean giveLog)
static double	equicoordinateQuantile(double p, double[] location, double[][] scale, double degreesOfFreedom)
static double	equicoordinateQuantile(double p, double[] location, double[][] scale, double degreesOfFreedom, MultivariateProbabilityOptions options, RandomEngine random)	Equicoordinate quantile, with one common threshold in every dimension.
static MultivariateProbabilityResult	probability(double[] lower, double[] upper, double[] location, double[][] scale, double degreesOfFreedom)
static MultivariateProbabilityResult	probability(double[] lower, double[] upper, double[] location, double[][] scale, double degreesOfFreedom, MultivariateProbabilityOptions options, RandomEngine random)	Computes P[lower <= X <= upper] with numerical error metadata.
static double	radialQuantile(double p, int dimension, double degreesOfFreedom, boolean lowerTail, boolean logProbability)	Quantile of the Mahalanobis radius containing probability p.
static double[]	random(double[] location, double[][] scale, double degreesOfFreedom, RandomEngine random)
static double[][]	random(int n, double[] location, double[][] scale, double degreesOfFreedom, RandomEngine random)

Methods inherited from class java.lang.Object

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

Method Details

density

public static double density(double[] x,
 double[] location,
 double[][] scale,
 double degreesOfFreedom,
 boolean giveLog)

random

public static double[] random(double[] location,
 double[][] scale,
 double degreesOfFreedom,
 RandomEngine random)

random

public static double[][] random(int n,
 double[] location,
 double[][] scale,
 double degreesOfFreedom,
 RandomEngine random)

probability

public static MultivariateProbabilityResult probability(double[] lower,
 double[] upper,
 double[] location,
 double[][] scale,
 double degreesOfFreedom,
 MultivariateProbabilityOptions options,
 RandomEngine random)

Computes P[lower <= X <= upper] with numerical error metadata.

probability

public static MultivariateProbabilityResult probability(double[] lower,
 double[] upper,
 double[] location,
 double[][] scale,
 double degreesOfFreedom)

cumulative

public static MultivariateProbabilityResult cumulative(double[] upper,
 double[] location,
 double[][] scale,
 double degreesOfFreedom,
 MultivariateProbabilityOptions options,
 RandomEngine random)

Computes P[X[i] <= upper[i] for every i].

cumulative

public static MultivariateProbabilityResult cumulative(double[] upper,
 double[] location,
 double[][] scale,
 double degreesOfFreedom)

equicoordinateQuantile

public static double equicoordinateQuantile(double p,
 double[] location,
 double[][] scale,
 double degreesOfFreedom,
 MultivariateProbabilityOptions options,
 RandomEngine random)

Equicoordinate quantile, with one common threshold in every dimension.

equicoordinateQuantile

public static double equicoordinateQuantile(double p,
 double[] location,
 double[][] scale,
 double degreesOfFreedom)

radialQuantile

public static double radialQuantile(double p,
 int dimension,
 double degreesOfFreedom,
 boolean lowerTail,
 boolean logProbability)

Quantile of the Mahalanobis radius containing probability p.