javanpst.distributions.tests

Class RunsUpDownDistribution

java.lang.Object

javanpst.distributions.tests.RunsUpDownDistribution

public class RunsUpDownDistribution
extends java.lang.Object

An implementation of the Runs up down distribution. Uses a Singleton pattern to ensure only an instance of the class is allowed.

Method Summary

Modifier and Type	Method and Description
double	computeAsymptoticDoubleTailProbability(int n, int R) Computes asymptotic double tail p-value of the Runs Up Down distribution
double	computeAsymptoticLeftTailProbability(int n, int R) Computes asymptotic left tail p-value of the Runs Up Down distribution
double	computeAsymptoticRightTailProbability(int n, int R) Computes asymptotic left tail p-value of the Runs Up Down distribution
double	computeExactProbability(int n, int R, boolean leftTail) Computes exact p-value of the Runs up down distribution
static RunsUpDownDistribution	getInstance() Singleton pattern access to the distribution
static Incomplete2KeyTable	getTable() Gets the table of the distribution

Methods inherited from class java.lang.Object

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

Method Detail

getInstance

public static RunsUpDownDistribution getInstance()

Singleton pattern access to the distribution

Returns:

the instance of the distribution

getTable

public static Incomplete2KeyTable getTable()

Gets the table of the distribution

Returns:

Reference to the table

computeExactProbability

public double computeExactProbability(int n,
                                      int R,
                                      boolean leftTail)

Computes exact p-value of the Runs up down distribution

Parameters:

n - number of elements

R - Runs up down statistic

leftTail - true if computing p-value of the left tail, false if right tail

Returns:

p-value computed

computeAsymptoticLeftTailProbability

public double computeAsymptoticLeftTailProbability(int n,
                                                   int R)

Computes asymptotic left tail p-value of the Runs Up Down distribution

Parameters:

n - number of elements in the sequence

R - total number of runs

Returns:

p-value computed

computeAsymptoticRightTailProbability

public double computeAsymptoticRightTailProbability(int n,
                                                    int R)

Computes asymptotic left tail p-value of the Runs Up Down distribution

Parameters:

n - number of elements in the sequence

R - total number of runs

Returns:

p-value computed

computeAsymptoticDoubleTailProbability

public double computeAsymptoticDoubleTailProbability(int n,
                                                     int R)

Computes asymptotic double tail p-value of the Runs Up Down distribution

Parameters:

n - number of elements in the sequence

R - total number of runs

Returns:

p-value computed