de.lmu.ifi.dbs.elki.math.statistics.distribution.estimator

Class GeneralizedLogisticAlternateLMMEstimator

java.lang.Object

de.lmu.ifi.dbs.elki.math.statistics.distribution.estimator.GeneralizedLogisticAlternateLMMEstimator

All Implemented Interfaces:

DistributionEstimator<GeneralizedLogisticAlternateDistribution>, LMMDistributionEstimator<GeneralizedLogisticAlternateDistribution>

@Reference(authors="J. R. M. Hosking",
           title="Fortran routines for use with the method of L-moments Version 3.03",
           booktitle="IBM Research Technical Report",
           bibkey="tr/ibm/Hosking00")
public class GeneralizedLogisticAlternateLMMEstimator
extends java.lang.Object
implements LMMDistributionEstimator<GeneralizedLogisticAlternateDistribution>

Estimate the parameters of a Generalized Logistic Distribution, using the methods of L-Moments (LMM).

Reference:

J. R. M. Hosking
Fortran routines for use with the method of L-moments Version 3.03
IBM Research.

Since:

0.6.0

Author:

Erich Schubert

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	GeneralizedLogisticAlternateLMMEstimator.Parameterizer Parameterization class.

Field Summary

Fields

Modifier and Type	Field and Description
static GeneralizedLogisticAlternateLMMEstimator	STATIC Static instance.

Constructor Summary

Constructors

Modifier	Constructor and Description
private	GeneralizedLogisticAlternateLMMEstimator() Constructor.

Method Summary

Modifier and Type	Method and Description
GeneralizedLogisticAlternateDistribution	estimateFromLMoments(double[] xmom) Estimate from the L-Moments.
java.lang.Class<? super GeneralizedLogisticAlternateDistribution>	getDistributionClass() Get the class that is produced by the estimator.
int	getNumMoments() The number of moments needed.
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface de.lmu.ifi.dbs.elki.math.statistics.distribution.estimator.LMMDistributionEstimator

estimate

Methods inherited from interface de.lmu.ifi.dbs.elki.math.statistics.distribution.estimator.DistributionEstimator

estimate

Field Detail

STATIC

public static final GeneralizedLogisticAlternateLMMEstimator STATIC

Static instance.

Constructor Detail

GeneralizedLogisticAlternateLMMEstimator

private GeneralizedLogisticAlternateLMMEstimator()

Constructor. Private: use static instance.

Method Detail

getNumMoments

public int getNumMoments()

Description copied from interface: LMMDistributionEstimator

The number of moments needed.

Specified by:

getNumMoments in interface LMMDistributionEstimator<GeneralizedLogisticAlternateDistribution>

Returns:

Moments needed.

estimateFromLMoments

public GeneralizedLogisticAlternateDistribution estimateFromLMoments(double[] xmom)

Description copied from interface: LMMDistributionEstimator

Estimate from the L-Moments.

Specified by:

estimateFromLMoments in interface LMMDistributionEstimator<GeneralizedLogisticAlternateDistribution>

Parameters:

xmom - L-Moments

Returns:

Distribution

getDistributionClass

public java.lang.Class<? super GeneralizedLogisticAlternateDistribution> getDistributionClass()

Description copied from interface: DistributionEstimator

Get the class that is produced by the estimator.

Specified by:

getDistributionClass in interface DistributionEstimator<GeneralizedLogisticAlternateDistribution>

Returns:

Distribution class

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object