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

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

All Implemented Interfaces:

ScalingFunction, StaticScalingFunction
```
public class MinusLogScaling
extends java.lang.Object
implements StaticScalingFunction
```
Scaling function to invert values by computing -1 * Math.log(x)

Since:

0.3

Author:

Erich Schubert

Constructor Summary

Constructors
Constructor Description

MinusLogScaling()

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 value)`	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

- Constructor Detail
  - MinusLogScaling
```
public MinusLogScaling()
```
- Method Detail
  - getScaled
```
public double getScaled(double value)
```
    Description copied from interface: ScalingFunction
    
    Transform a given value using the scaling function.
    
    Specified by:
    
    getScaled in interface ScalingFunction
    
    Parameters:
    
    value - 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.