jsat.outlier

Class DensityOutlier

java.lang.Object

jsat.outlier.DensityOutlier

All Implemented Interfaces:

java.io.Serializable, Outlier

public class DensityOutlier
extends java.lang.Object
implements Outlier

This class provides an outlier detector based upon density estimation.

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
DensityOutlier()
DensityOutlier(DensityOutlier toCopy)
DensityOutlier(double outlierFraction)
DensityOutlier(double outlierFraction, MultivariateDistribution density)

Method Summary

Modifier and Type	Method and Description
void	fit(DataSet d, boolean parallel)
MultivariateDistribution	getDensityDistribution()
double	getOutlierFraction()
double	score(DataPoint x) Returns an unbounded anomaly/outlier score.
void	setDensityDistribution(MultivariateDistribution density)
void	setOutlierFraction(double outlierFraction)

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface jsat.outlier.Outlier

fit, isOutlier

Constructor Detail

DensityOutlier

public DensityOutlier()

DensityOutlier

public DensityOutlier(double outlierFraction)

DensityOutlier

public DensityOutlier(double outlierFraction,
                      MultivariateDistribution density)

DensityOutlier

public DensityOutlier(DensityOutlier toCopy)

Method Detail

setOutlierFraction

public void setOutlierFraction(double outlierFraction)

getOutlierFraction

public double getOutlierFraction()

setDensityDistribution

public void setDensityDistribution(MultivariateDistribution density)

getDensityDistribution

public MultivariateDistribution getDensityDistribution()

fit

public void fit(DataSet d,
                boolean parallel)

Specified by:

fit in interface Outlier

score

public double score(DataPoint x)

Description copied from interface: Outlier

Returns an unbounded anomaly/outlier score. Negative values indicate the input is likely to be an outlier, and positive values that the input is likely to be an inlier.

Specified by:

score in interface Outlier

Returns: