Package elki.utilities.scaling
Class MinusLogScaling
- java.lang.Object
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- elki.utilities.scaling.MinusLogScaling
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- 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
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Constructor Summary
Constructors Constructor Description MinusLogScaling()
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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.
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Method Detail
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getScaled
public double getScaled(double value)
Description copied from interface:ScalingFunction
Transform a given value using the scaling function.- Specified by:
getScaled
in interfaceScalingFunction
- Parameters:
value
- Original value- Returns:
- Scaled value
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getMin
public double getMin()
Description copied from interface:ScalingFunction
Get minimum resulting value. May beDouble.NaN
orDouble.NEGATIVE_INFINITY
.- Specified by:
getMin
in interfaceScalingFunction
- Returns:
- Minimum resulting value.
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getMax
public double getMax()
Description copied from interface:ScalingFunction
Get maximum resulting value. May beDouble.NaN
orDouble.POSITIVE_INFINITY
.- Specified by:
getMax
in interfaceScalingFunction
- Returns:
- Maximum resulting value.
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