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

All Implemented Interfaces:

DistributionEstimator<WeibullDistribution>, LMMDistributionEstimator<WeibullDistribution>
```
public class WeibullLMMEstimator
extends java.lang.Object
implements LMMDistributionEstimator<WeibullDistribution>
```
Estimate parameters of the Weibull distribution 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 WeibullLMMEstimator.Par
Parameterization class.

Field Summary

Fields
Modifier and Type	Field	Description
`private static double`	`A0`	Estimation constants
`private static double`	`A1`	Estimation constants
`private static double`	`A2`	Estimation constants
`private static double`	`A3`	Estimation constants
`private static double`	`A4`	Estimation constants
`private static double`	`B1`	Estimation constants
`private static double`	`B2`	Estimation constants
`private static double`	`B3`	Estimation constants
`private static double`	`C1`	Estimation constants
`private static double`	`C2`	Estimation constants
`private static double`	`C3`	Estimation constants
`private static double`	`D1`	Estimation constants
`private static double`	`D2`	Estimation constants
`(package private) static int`	`MAXIT`	Maximum number of iterations.
`static WeibullLMMEstimator`	`STATIC`	Static instance.

Constructor Summary

Constructors
Modifier Constructor Description

private WeibullLMMEstimator()
Constructor.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`WeibullDistribution`	`estimateFromLMoments(double[] xmom)`	Estimate from the L-Moments.
`java.lang.Class<? super WeibullDistribution>`	`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 WeibullLMMEstimator STATIC
```
    Static instance.
  - A0
```
private static final double A0
```
    Estimation constants
    
    See Also:
    
    Constant Field Values
  - A1
```
private static final double A1
```
    Estimation constants
    
    See Also:
    
    Constant Field Values
  - A2
```
private static final double A2
```
    Estimation constants
    
    See Also:
    
    Constant Field Values
  - A3
```
private static final double A3
```
    Estimation constants
    
    See Also:
    
    Constant Field Values
  - A4
```
private static final double A4
```
    Estimation constants
    
    See Also:
    
    Constant Field Values
  - B1
```
private static final double B1
```
    Estimation constants
    
    See Also:
    
    Constant Field Values
  - B2
```
private static final double B2
```
    Estimation constants
    
    See Also:
    
    Constant Field Values
  - B3
```
private static final double B3
```
    Estimation constants
    
    See Also:
    
    Constant Field Values
  - C1
```
private static final double C1
```
    Estimation constants
    
    See Also:
    
    Constant Field Values
  - C2
```
private static final double C2
```
    Estimation constants
    
    See Also:
    
    Constant Field Values
  - C3
```
private static final double C3
```
    Estimation constants
    
    See Also:
    
    Constant Field Values
  - D1
```
private static final double D1
```
    Estimation constants
    
    See Also:
    
    Constant Field Values
  - D2
```
private static final double D2
```
    Estimation constants
    
    See Also:
    
    Constant Field Values
  - MAXIT
```
static int MAXIT
```
    Maximum number of iterations.
- Constructor Detail
  - WeibullLMMEstimator
```
private WeibullLMMEstimator()
```
    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<WeibullDistribution>
    
    Returns:
    
    Moments needed.
  - estimateFromLMoments
```
public WeibullDistribution estimateFromLMoments(double[] xmom)
```
    Description copied from interface: LMMDistributionEstimator
    
    Estimate from the L-Moments.
    
    Specified by:
    
    estimateFromLMoments in interface LMMDistributionEstimator<WeibullDistribution>
    
    Parameters:
    
    xmom - L-Moments
    
    Returns:
    
    Distribution
  - getDistributionClass
```
public java.lang.Class<? super WeibullDistribution> getDistributionClass()
```
    Description copied from interface: DistributionEstimator
    
    Get the class that is produced by the estimator.
    
    Specified by:
    
    getDistributionClass in interface DistributionEstimator<WeibullDistribution>
    
    Returns:
    
    Distribution class
  - toString
```
public java.lang.String toString()
```
    Overrides:
    
    toString in class java.lang.Object

Class WeibullLMMEstimator

Nested Class Summary

Field Summary

Constructor Summary

Method Summary

Methods inherited from class java.lang.Object

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

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

Field Detail

STATIC

A0

A1

A2

A3

A4

B1

B2

B3

C1

C2

C3

D1

D2

MAXIT

Constructor Detail

WeibullLMMEstimator

Method Detail

getNumMoments

estimateFromLMoments

getDistributionClass

toString