de.lmu.ifi.dbs.elki.utilities.scaling
Interface ScalingFunction

All Superinterfaces:

Parameterizable

All Known Subinterfaces:

OutlierScalingFunction, StaticScalingFunction

All Known Implementing Classes:

ClipScaling, GammaScaling, IdentityScaling, LinearScaling, MinusLogGammaScaling, MinusLogScaling, MinusLogStandardDeviationScaling, MultiplicativeInverseScaling, OutlierGammaScaling, OutlierLinearScaling, OutlierMinusLogScaling, OutlierSqrtScaling, SqrtStandardDeviationScaling, StandardDeviationScaling, TopKOutlierScaling

public interface ScalingFunction
extends Parameterizable

Interface for scaling functions used by Outlier evaluation such as Histograms and visualization.

Author:

Erich Schubert

Method Summary

double	getMax() Get maximum resulting value.
double	getMin() Get minimum resulting value.
double	getScaled(double value) Transform a given value using the scaling function.

Method Detail

getScaled

double getScaled(double value)

Transform a given value using the scaling function.

Parameters:

value - Original value

Returns:

Scaled value

getMin

double getMin()

Get minimum resulting value. May be Double.NaN or Double.NEGATIVE_INFINITY.

Returns:

Minimum resulting value.

getMax

double getMax()

Get maximum resulting value. May be Double.NaN or Double.POSITIVE_INFINITY.

Returns:

Maximum resulting value.