Package elki.utilities.scaling
Class GammaScaling
- java.lang.Object
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- elki.utilities.scaling.GammaScaling
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- 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
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Nested Class Summary
Nested Classes Modifier and Type Class Description static class
GammaScaling.Par
Parameterization class.
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Field Summary
Fields Modifier and Type Field Description private double
gamma
Gamma value.
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Constructor Summary
Constructors Constructor Description GammaScaling()
Constructor without options.GammaScaling(double gamma)
Constructor with Gamma value.
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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 d)
Transform a given value using the scaling function.
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Method Detail
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getScaled
public double getScaled(double d)
Description copied from interface:ScalingFunction
Transform a given value using the scaling function.- Specified by:
getScaled
in interfaceScalingFunction
- Parameters:
d
- 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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