IRPact_modellierung.distributions

Class NormDistribution

java.lang.Object

IRPact_modellierung.distributions.Distribution

IRPact_modellierung.distributions.UnivariateDistribution

IRPact_modellierung.distributions.ContinuousDistribution

IRPact_modellierung.distributions.NormDistribution

public class NormDistribution
extends ContinuousDistribution

Class that models a (univariate) normal distribution based on the math3.distribution library of the apache commons.

Field Summary

Fields inherited from class IRPact_modellierung.distributions.Distribution

name

Constructor Summary

Constructors

Constructor and Description
NormDistribution(java.lang.String name, double mean, double variance) Creates a (univariate) normal distribution based on the math3.distribution library of the apache commons.

Method Summary

Modifier and Type	Method and Description
double	draw() Draw a value from the distribution according to the distribution at hand
double	getMean()
double	getVariance()

Methods inherited from class IRPact_modellierung.distributions.Distribution

getName, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

NormDistribution

public NormDistribution(java.lang.String name,
                        double mean,
                        double variance)
                 throws java.lang.IllegalArgumentException

Creates a (univariate) normal distribution based on the math3.distribution library of the apache commons.

Parameters:

name - Name associated with the normal distribution (will be prefixed by NormalDistribution_)

mean - Mean value of the distribution

variance - Variance of the distribution

Throws:

java.lang.IllegalArgumentException - will be thrown when the variance is negative (which doesnt make any sense)

Method Detail

getMean

public double getMean()

getVariance

public double getVariance()

draw

public double draw()

Description copied from class: UnivariateDistribution

Draw a value from the distribution according to the distribution at hand

Specified by:

draw in class UnivariateDistribution

Returns:

A double number drawn from the modeled distribution