Package elki.math.statistics.distribution.estimator

Class CauchyMADEstimator

java.lang.Object

elki.math.statistics.distribution.estimator.CauchyMADEstimator

All Implemented Interfaces:

DistributionEstimator<CauchyDistribution>, MADDistributionEstimator<CauchyDistribution>

@Reference(authors="D. J. Olive",
           title="Applied Robust Statistics",
           booktitle="",
           url="http://lagrange.math.siu.edu/Olive/preprints.htm",
           bibkey="books/Olive08")
public class CauchyMADEstimator
extends java.lang.Object
implements MADDistributionEstimator<CauchyDistribution>

Estimate Cauchy distribution parameters using Median and MAD.

Reference:

D. J. Olive
Applied Robust Statistics
Preprint, University of Minnesota

Since:

0.6.0

Author:

Erich Schubert

Nested Class Summary

Nested Classes

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

Field Summary

Fields

Modifier and Type	Field	Description
static CauchyMADEstimator	STATIC	Static instance.

Constructor Summary

Constructors

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

Method Summary

Modifier and Type	Method	Description
CauchyDistribution	estimateFromMedianMAD(double median, double mad)	General form of the parameter estimation
java.lang.Class<? super CauchyDistribution>	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 CauchyMADEstimator STATIC

Static instance.

Constructor Detail

CauchyMADEstimator

private CauchyMADEstimator()

Private constructor, use static instance!

Method Detail

estimateFromMedianMAD

public CauchyDistribution estimateFromMedianMAD(double median,
                                                double mad)

Description copied from interface: MADDistributionEstimator

General form of the parameter estimation

Specified by:

estimateFromMedianMAD in interface MADDistributionEstimator<CauchyDistribution>

Parameters:

median - Median value

mad - Median absolute deviation from median

Returns:

Estimated distribution

getDistributionClass

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

Description copied from interface: DistributionEstimator

Get the class that is produced by the estimator.

Specified by:

getDistributionClass in interface DistributionEstimator<CauchyDistribution>

Returns:

Distribution class

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object