de.cesr.more.util.distributions
Class MWeibullDistanceDistribution

java.lang.Object
  AbstractRealDistribution
      de.cesr.more.util.distributions.MWeibullDistanceDistribution

All Implemented Interfaces:

MRealDistribution

public class MWeibullDistanceDistribution
extends AbstractRealDistribution
implements MRealDistribution

MORe Wrapper for WeibullDistribution. Used in MGeoRsHomophilyDistanceFfNetworkService.

Date:

13.09.2013

Nested Class Summary

static class

MWeibullDistanceDistribution.MWeibullDistanceDistParams

Field Summary

protected double	pLocal
protected double	scale The scale parameter.
protected double	shape The shape parameter.
protected RealDistribution	weibull
protected double	xmax
protected double	xmin

Constructor Summary

MWeibullDistanceDistribution(RandomGenerator rng)
Creates a Weibull distribution.

Method Summary

double	cumulativeProbability(double x)
double	density(double x)
double	getNumericalMean()
double	getNumericalVariance()
double	getSupportLowerBound()
double	getSupportUpperBound()
void	init() Initialises the distribution.
double	inverseCumulativeProbability(double random)
boolean	isSupportConnected()
boolean	isSupportLowerBoundInclusive()
boolean	isSupportUpperBoundInclusive()
void	setParameter(MDistributionParameter param, double value) Set distribution specific parameters that are defined by a distribution specific enumeration that implements MDistributionParameter.

Methods inherited from class java.lang.Object

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

Field Detail

shape

protected double shape

The shape parameter.

scale

protected double scale

The scale parameter.

xmin

protected double xmin

xmax

protected double xmax

pLocal

protected double pLocal

weibull

protected RealDistribution weibull

Constructor Detail

MWeibullDistanceDistribution

public MWeibullDistanceDistribution(RandomGenerator rng)
                             throws NotStrictlyPositiveException

Creates a Weibull distribution.

Parameters:

rng - Random number generator.

Throws:

NotStrictlyPositiveException

Method Detail

init

public void init()

Description copied from interface: MRealDistribution

Initialises the distribution. Parameters need to be set before via MRealDistribution.setParameter(MDistributionParameter, double)!

Specified by:

init in interface MRealDistribution

See Also:

MRealDistribution.init()

density

public double density(double x)

See Also:

org.apache.commons.math3.distribution.RealDistribution#density(double)

cumulativeProbability

public double cumulativeProbability(double x)

See Also:

org.apache.commons.math3.distribution.RealDistribution#cumulativeProbability(double)

inverseCumulativeProbability

public double inverseCumulativeProbability(double random)

See Also:

org.apache.commons.math3.distribution.AbstractRealDistribution#inverseCumulativeProbability(double)

getNumericalMean

public double getNumericalMean()

See Also:

org.apache.commons.math3.distribution.RealDistribution#getNumericalMean()

getNumericalVariance

public double getNumericalVariance()

See Also:

org.apache.commons.math3.distribution.RealDistribution#getNumericalVariance()

getSupportLowerBound

public double getSupportLowerBound()

See Also:

org.apache.commons.math3.distribution.RealDistribution#getSupportLowerBound()

getSupportUpperBound

public double getSupportUpperBound()

See Also:

org.apache.commons.math3.distribution.RealDistribution#getSupportUpperBound()

isSupportLowerBoundInclusive

public boolean isSupportLowerBoundInclusive()

See Also:

org.apache.commons.math3.distribution.RealDistribution#isSupportLowerBoundInclusive()

isSupportUpperBoundInclusive

public boolean isSupportUpperBoundInclusive()

See Also:

org.apache.commons.math3.distribution.RealDistribution#isSupportUpperBoundInclusive()

isSupportConnected

public boolean isSupportConnected()

See Also:

org.apache.commons.math3.distribution.RealDistribution#isSupportConnected()

setParameter

public void setParameter(MDistributionParameter param,
                         double value)

Description copied from interface: MRealDistribution

Set distribution specific parameters that are defined by a distribution specific enumeration that implements MDistributionParameter.

Specified by:

setParameter in interface MRealDistribution

Throws:

NotStrictlyPositiveException - if shape <= 0 or scale <= 0.

See Also:

de.cesr.more.util.distributions.MRealDistribution#setParameter(int, double)