org.statcato.statistics

Class IntegerProbabilityDistribution

java.lang.Object

org.statcato.statistics.IntegerProbabilityDistribution

public class IntegerProbabilityDistribution
extends java.lang.Object

Integer probability distribution class. Discrete uniform probability distribution, where each integer in a specific interval has the same probability of occurring.

Since:

1.0

Constructor Summary

Constructors

Constructor and Description
IntegerProbabilityDistribution(int min, int max) Constructs an Integer probability distribution with the given minimum and maximum values.

Method Summary

Modifier and Type	Method and Description
double	cumulativeProbability(double x) Returns the cumulative probabililty up to x.
double	density(double x) Returns the density of the distribution at x.
java.lang.Integer	inverseCumulativeProbability(double area) Returns the inverse cumulative probability.

Methods inherited from class java.lang.Object

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

Constructor Detail

IntegerProbabilityDistribution

public IntegerProbabilityDistribution(int min,
                                      int max)

Constructs an Integer probability distribution with the given minimum and maximum values.

Parameters:

min - minimum

max - maximum

Method Detail

density

public double density(double x)

Returns the density of the distribution at x.

Parameters:

x - an integer

Returns:

probability density at x

cumulativeProbability

public double cumulativeProbability(double x)

Returns the cumulative probabililty up to x.

Parameters:

x - an integer

Returns:

cumulative probability P(<=x)

inverseCumulativeProbability

public java.lang.Integer inverseCumulativeProbability(double area)

Returns the inverse cumulative probability.

Parameters:

area - cumulative probability

Returns:

inverse cumulative probability