RayleighLMMEstimator (ELKI: Environment for DeveLoping KDD-Applications Supported by Index-Structures)

java.lang.Object
- elki.math.statistics.distribution.estimator.RayleighLMMEstimator

All Implemented Interfaces:

DistributionEstimator<RayleighDistribution>, LMMDistributionEstimator<RayleighDistribution>
```
public class RayleighLMMEstimator
extends java.lang.Object
implements LMMDistributionEstimator<RayleighDistribution>
```
Estimate the scale parameter of a (non-shifted) RayleighDistribution using the method of L-Moments (LMM).

Since:

0.6.0

Author:

Erich Schubert

Nested Class Summary

Nested Classes
Modifier and Type Class Description

static class RayleighLMMEstimator.Par
Parameterization class.

Field Summary

Fields
Modifier and Type Field Description

static RayleighLMMEstimator STATIC
Static instance.

Constructor Summary

Constructors
Modifier Constructor Description

private RayleighLMMEstimator()
Constructor.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`RayleighDistribution`	`estimateFromLMoments(double[] xmom)`	Estimate from the L-Moments.
`java.lang.Class<? super RayleighDistribution>`	`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 elki.math.statistics.distribution.estimator.DistributionEstimator
estimate

Methods inherited from interface elki.math.statistics.distribution.estimator.LMMDistributionEstimator
estimate

- Field Detail
  - STATIC
```
public static final RayleighLMMEstimator STATIC
```
    Static instance.
- Constructor Detail
  - RayleighLMMEstimator
```
private RayleighLMMEstimator()
```
    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<RayleighDistribution>
    
    Returns:
    
    Moments needed.
  - estimateFromLMoments
```
public RayleighDistribution estimateFromLMoments(double[] xmom)
```
    Description copied from interface: LMMDistributionEstimator
    
    Estimate from the L-Moments.
    
    Specified by:
    
    estimateFromLMoments in interface LMMDistributionEstimator<RayleighDistribution>
    
    Parameters:
    
    xmom - L-Moments
    
    Returns:
    
    Distribution
  - getDistributionClass
```
public java.lang.Class<? super RayleighDistribution> getDistributionClass()
```
    Description copied from interface: DistributionEstimator
    
    Get the class that is produced by the estimator.
    
    Specified by:
    
    getDistributionClass in interface DistributionEstimator<RayleighDistribution>
    
    Returns:
    
    Distribution class
  - toString
```
public java.lang.String toString()
```
    Overrides:
    
    toString in class java.lang.Object