de.lmu.ifi.dbs.elki.algorithm.outlier

Class SimpleCOP<V extends NumberVector>

java.lang.Object

de.lmu.ifi.dbs.elki.algorithm.AbstractAlgorithm<R>

de.lmu.ifi.dbs.elki.algorithm.AbstractDistanceBasedAlgorithm<V,OutlierResult>

de.lmu.ifi.dbs.elki.algorithm.outlier.SimpleCOP<V>

Type Parameters:

V - the type of NumberVector handled by this Algorithm

All Implemented Interfaces:

Algorithm, DistanceBasedAlgorithm<V>, OutlierAlgorithm

@Title(value="Simple COP: Correlation Outlier Probability")
 @Reference(authors="Arthur Zimek",
           title="Application 2: Outlier Detection (Chapter 18)",
           booktitle="Correlation Clustering",
           bibkey="phd/dnb/Zimek08/Ch18")
public class SimpleCOP<V extends NumberVector>
extends AbstractDistanceBasedAlgorithm<V,OutlierResult>
implements OutlierAlgorithm

Algorithm to compute local correlation outlier probability.

This is the simpler, original version of COP, as published in

Reference:

Arthur Zimek
Application 2: Outlier Detection (Chapter 18)
Correlation Clustering

which has then been refined to the method published as COP

Since:

0.5.5

Author:

Erich Schubert

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	SimpleCOP.Parameterizer<V extends NumberVector> Parameterization class.

Field Summary

Fields

Modifier and Type	Field and Description
private DependencyDerivator<V>	dependencyDerivator Holds the object performing the dependency derivation
(package private) int	k Number of neighbors to be considered.
private static Logging	LOG The logger for this class.

Fields inherited from class de.lmu.ifi.dbs.elki.algorithm.AbstractAlgorithm

ALGORITHM_ID

Fields inherited from interface de.lmu.ifi.dbs.elki.algorithm.DistanceBasedAlgorithm

DISTANCE_FUNCTION_ID

Constructor Summary

Constructors

Constructor and Description
SimpleCOP(DistanceFunction<? super V> distanceFunction, int k, PCARunner pca, EigenPairFilter filter) Constructor.

Method Summary

Modifier and Type	Method and Description
TypeInformation[]	getInputTypeRestriction() Get the input type restriction used for negotiating the data query.
protected Logging	getLogger() Get the (STATIC) logger for this class.
OutlierResult	run(Database database, Relation<V> data)

Methods inherited from class de.lmu.ifi.dbs.elki.algorithm.AbstractDistanceBasedAlgorithm

getDistanceFunction

Methods inherited from class de.lmu.ifi.dbs.elki.algorithm.AbstractAlgorithm

run

Methods inherited from class java.lang.Object

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

Methods inherited from interface de.lmu.ifi.dbs.elki.algorithm.outlier.OutlierAlgorithm

run

Field Detail

LOG

private static final Logging LOG

The logger for this class.

k

int k

Number of neighbors to be considered.

dependencyDerivator

private DependencyDerivator<V extends NumberVector> dependencyDerivator

Holds the object performing the dependency derivation

Constructor Detail

SimpleCOP

public SimpleCOP(DistanceFunction<? super V> distanceFunction,
                 int k,
                 PCARunner pca,
                 EigenPairFilter filter)

Constructor.

Parameters:

distanceFunction - Distance function

k - k Parameter

pca - PCA runner

filter - Filter for selecting eigenvectors

Method Detail

run

public OutlierResult run(Database database,
                         Relation<V> data)
                  throws java.lang.IllegalStateException

Throws:

java.lang.IllegalStateException

getInputTypeRestriction

public TypeInformation[] getInputTypeRestriction()

Description copied from class: AbstractAlgorithm

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

Specified by:

getInputTypeRestriction in interface Algorithm

Specified by:

getInputTypeRestriction in class AbstractAlgorithm<OutlierResult>

Returns:

Type restriction

getLogger

protected Logging getLogger()

Description copied from class: AbstractAlgorithm

Get the (STATIC) logger for this class.

Specified by:

getLogger in class AbstractAlgorithm<OutlierResult>

Returns:

the static logger