Package elki.outlier

Class GaussianModel

java.lang.Object

elki.outlier.GaussianModel

All Implemented Interfaces:

Algorithm, OutlierAlgorithm

@Title("Gaussian Model Outlier Detection")
@Description("Fit a multivariate gaussian model onto the data, and use the PDF to compute an outlier score.")
public class GaussianModel
extends java.lang.Object
implements OutlierAlgorithm

Outlier detection based on the probability density of the single normal distribution.

Since:

0.3

Author:

Lisa Reichert

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	GaussianModel.Par	Parameterization class.

Nested classes/interfaces inherited from interface elki.Algorithm

Algorithm.Utils

Field Summary

Fields

Modifier and Type	Field	Description
private boolean	invert	Invert the result

Constructor Summary

Constructors

Constructor	Description
GaussianModel(boolean invert)	Constructor with actual parameters.

Method Summary

Modifier and Type	Method	Description
TypeInformation[]	getInputTypeRestriction()	Get the input type restriction used for negotiating the data query.
OutlierResult	run(Relation<? extends NumberVector> relation)	Run the algorithm

Methods inherited from class java.lang.Object

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

Methods inherited from interface elki.outlier.OutlierAlgorithm

autorun

Field Detail

invert

private boolean invert

Invert the result

Constructor Detail

GaussianModel

public GaussianModel(boolean invert)

Constructor with actual parameters.

Parameters:

invert - inversion flag.

Method Detail

getInputTypeRestriction

public TypeInformation[] getInputTypeRestriction()

Description copied from interface: Algorithm

Get the input type restriction used for negotiating the data query.

Specified by:

getInputTypeRestriction in interface Algorithm

Returns:

Type restriction

run

public OutlierResult run(Relation<? extends NumberVector> relation)

Run the algorithm

Parameters:

relation - Data relation

Returns:

Outlier result