SimpleCOP (ELKI: Environment for DeveLoping KDD-Applications Supported by Index-Structures)

java.lang.Object
- elki.outlier.SimpleCOP<V>

Type Parameters:

V - the type of NumberVector handled by this Algorithm

All Implemented Interfaces:

Algorithm, OutlierAlgorithm
```
@Title("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 java.lang.Object
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 Description

static class SimpleCOP.Par<V extends NumberVector>
Parameterization class.
- Nested classes/interfaces inherited from interface elki.Algorithm
  Algorithm.Utils

Field Summary

Fields
Modifier and Type	Field	Description
`protected DependencyDerivator<V>`	`dependencyDerivator`	Holds the object performing the dependency derivation
`protected Distance<? super V>`	`distance`	Distance function used.
`protected int`	`kplus`	Number of neighbors to be considered + the query point
`private static Logging`	`LOG`	The logger for this class.

Constructor Summary

Constructors
Constructor Description

SimpleCOP(Distance<? super V> distance, int k, PCARunner pca, EigenPairFilter filter)
Constructor.

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`TypeInformation[]`	`getInputTypeRestriction()`	Get the input type restriction used for negotiating the data query.
`OutlierResult`	`run(Relation<V> relation)`	Run Simple COP outlier detection.

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
  - LOG
```
private static final Logging LOG
```
    The logger for this class.
  - distance
```
protected Distance<? super V extends NumberVector> distance
```
    Distance function used.
  - kplus
```
protected int kplus
```
    Number of neighbors to be considered + the query point
  - dependencyDerivator
```
protected DependencyDerivator<V extends NumberVector> dependencyDerivator
```
    Holds the object performing the dependency derivation
- Constructor Detail
  - SimpleCOP
```
public SimpleCOP(Distance<? super V> distance,
                 int k,
                 PCARunner pca,
                 EigenPairFilter filter)
```
    Constructor.
    
    Parameters:
    
    distance - Distance function
    
    k - k Parameter
    
    pca - PCA runner
    
    filter - Filter for selecting eigenvectors
- 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<V> relation)
```
    Run Simple COP outlier detection.
    
    Parameters:
    
    relation - Data relation
    
    Returns:
    
    Outlier result