de.lmu.ifi.dbs.elki.math.statistics.intrinsicdimensionality

Class LMomentsEstimator

java.lang.Object

de.lmu.ifi.dbs.elki.math.statistics.intrinsicdimensionality.AbstractIntrinsicDimensionalityEstimator

de.lmu.ifi.dbs.elki.math.statistics.intrinsicdimensionality.LMomentsEstimator

All Implemented Interfaces:

IntrinsicDimensionalityEstimator

public class LMomentsEstimator
extends AbstractIntrinsicDimensionalityEstimator

Probability weighted moments based estimator using L-Moments. Derived from the L-Moments estimation for the exponential distribution.

Author:

Jonathan von Brünken, Erich Schubert

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	LMomentsEstimator.Parameterizer Parameterization class.
private static class	LMomentsEstimator.ReverseAdapter<A> Adapter to process an array in reverse order.

Field Summary

Fields

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

Constructor Summary

Constructors

Constructor and Description
LMomentsEstimator()

Method Summary

Methods

Modifier and Type	Method and Description
<A> double	estimate(A data, NumberArrayAdapter<?,A> adapter, int len) Estimate from a distance list.

Methods inherited from class de.lmu.ifi.dbs.elki.math.statistics.intrinsicdimensionality.AbstractIntrinsicDimensionalityEstimator

estimate, estimate, estimate

Methods inherited from class java.lang.Object

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

Field Detail

STATIC

public static final LMomentsEstimator STATIC

Static instance.

Constructor Detail

LMomentsEstimator

public LMomentsEstimator()

Method Detail

estimate

public <A> double estimate(A data,
                  NumberArrayAdapter<?,A> adapter,
                  int len)

Description copied from interface: IntrinsicDimensionalityEstimator

Estimate from a distance list.

Type Parameters:

A - array type

Parameters:

data - Data

adapter - Array adapter

len - Length

Returns:

Estimated intrinsic dimensionality