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

java.lang.Object
- elki.utilities.scaling.GammaScaling

All Implemented Interfaces:

ScalingFunction, StaticScalingFunction
```
public class GammaScaling
extends java.lang.Object
implements StaticScalingFunction
```
Non-linear scaling function using a Gamma curve.

Since:

0.3

Author:

Erich Schubert, Remigius Wojdanowski

Nested Class Summary

Nested Classes
Modifier and Type Class Description

static class GammaScaling.Par
Parameterization class.

Field Summary

Fields
Modifier and Type Field Description

private double gamma
Gamma value.

Constructor Summary

Constructors
Constructor Description

GammaScaling()
Constructor without options.

GammaScaling(double gamma)
Constructor with Gamma value.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`double`	`getMax()`	Get maximum resulting value.
`double`	`getMin()`	Get minimum resulting value.
`double`	`getScaled(double d)`	Transform a given value using the scaling function.

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Field Detail
  - gamma
```
private double gamma
```
    Gamma value.
- Constructor Detail
  - GammaScaling
```
public GammaScaling()
```
    Constructor without options.
  - GammaScaling
```
public GammaScaling(double gamma)
```
    Constructor with Gamma value.
    
    Parameters:
    
    gamma - Gamma value.
- Method Detail
  - getScaled
```
public double getScaled(double d)
```
    Description copied from interface: ScalingFunction
    
    Transform a given value using the scaling function.
    
    Specified by:
    
    getScaled in interface ScalingFunction
    
    Parameters:
    
    d - Original value
    
    Returns:
    
    Scaled value
  - getMin
```
public double getMin()
```
    Description copied from interface: ScalingFunction
    
    Get minimum resulting value. May be Double.NaN or Double.NEGATIVE_INFINITY.
    
    Specified by:
    
    getMin in interface ScalingFunction
    
    Returns:
    
    Minimum resulting value.
  - getMax
```
public double getMax()
```
    Description copied from interface: ScalingFunction
    
    Get maximum resulting value. May be Double.NaN or Double.POSITIVE_INFINITY.
    
    Specified by:
    
    getMax in interface ScalingFunction
    
    Returns:
    
    Maximum resulting value.