Package elki.math.statistics.distribution.estimator

Class ExponentialMedianEstimator

java.lang.Object

elki.math.statistics.distribution.estimator.ExponentialMedianEstimator

All Implemented Interfaces:

DistributionEstimator<ExponentialDistribution>, MADDistributionEstimator<ExponentialDistribution>

@Reference(title="Robust Estimators for Transformed Location Scale Families",
           authors="D. J. Olive",
           booktitle="",
           bibkey="preprints/Olive06")
public class ExponentialMedianEstimator
extends java.lang.Object
implements MADDistributionEstimator<ExponentialDistribution>

Estimate Exponential distribution parameters using Median and MAD.

Reference:

Robust Estimators for Transformed Location Scale Families
D. J. Olive

Since:

0.6.0

Author:

Erich Schubert

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	ExponentialMedianEstimator.Par	Parameterization class.

Field Summary

Fields

Modifier and Type	Field	Description
static ExponentialMedianEstimator	STATIC	Static instance.

Constructor Summary

Constructors

Modifier	Constructor	Description
private	ExponentialMedianEstimator()	Private constructor, use static instance!

Method Summary

Modifier and Type	Method	Description
ExponentialDistribution	estimateFromMedianMAD(double median, double mad)	General form of the parameter estimation
java.lang.Class<? super ExponentialDistribution>	getDistributionClass()	Get the class that is produced by the estimator.
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 elki.math.statistics.distribution.estimator.DistributionEstimator

estimate

Methods inherited from interface elki.math.statistics.distribution.estimator.MADDistributionEstimator

estimate

Field Detail

STATIC

public static final ExponentialMedianEstimator STATIC

Static instance.

Constructor Detail

ExponentialMedianEstimator

private ExponentialMedianEstimator()

Private constructor, use static instance!

Method Detail

estimateFromMedianMAD

public ExponentialDistribution estimateFromMedianMAD(double median,
                                                     double mad)

Description copied from interface: MADDistributionEstimator

General form of the parameter estimation

Specified by:

estimateFromMedianMAD in interface MADDistributionEstimator<ExponentialDistribution>

Parameters:

median - Median value

mad - Median absolute deviation from median

Returns:

Estimated distribution

getDistributionClass

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

Description copied from interface: DistributionEstimator

Get the class that is produced by the estimator.

Specified by:

getDistributionClass in interface DistributionEstimator<ExponentialDistribution>

Returns:

Distribution class

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object