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

java.lang.Object
- elki.outlier.spatial.AbstractNeighborhoodOutlier<N>
- - elki.outlier.spatial.CTLuMedianMultipleAttributes<N,O>

Type Parameters:

N - Spatial Vector

O - Non Spatial Vector

All Implemented Interfaces:

Algorithm, OutlierAlgorithm
```
@Reference(authors="C.-T. Lu, D. Chen, Y. Kou",
           title="Detecting Spatial Outliers with Multiple Attributes",
           booktitle="Proc. 15th IEEE Int. Conf. Tools with Artificial Intelligence (TAI 2003)",
           url="https://doi.org/10.1109/TAI.2003.1250179",
           bibkey="DBLP:conf/ictai/LuCK03")
public class CTLuMedianMultipleAttributes<N,O extends NumberVector>
extends AbstractNeighborhoodOutlier<N>
```
Median Approach is used to discover spatial outliers with multiple attributes.
Reference:
C.-T. Lu, D. Chen, Y. Kou
Detecting Spatial Outliers with Multiple Attributes
Proc. 15th IEEE Int. Conf. Tools with Artificial Intelligence (TAI 2003)
Implementation note: attribute standardization is not used; this is equivalent to using the AttributeWiseVarianceNormalization filter.

Since:

0.4.0

Author:

Ahmed Hettab

Nested Class Summary
- Nested classes/interfaces inherited from interface elki.Algorithm
  Algorithm.Utils

Field Summary

Fields
Modifier and Type Field Description

private static Logging LOG
logger
- Fields inherited from class elki.outlier.spatial.AbstractNeighborhoodOutlier
  NEIGHBORHOOD_ID

Constructor Summary

Constructors
Constructor Description

CTLuMedianMultipleAttributes(NeighborSetPredicate.Factory<N> npredf)
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(Database database, Relation<N> spatial, Relation<O> attributes)`	Run the algorithm

Methods inherited from class elki.outlier.spatial.AbstractNeighborhoodOutlier
getNeighborSetPredicateFactory

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
```
    logger
- Constructor Detail
  - CTLuMedianMultipleAttributes
```
public CTLuMedianMultipleAttributes(NeighborSetPredicate.Factory<N> npredf)
```
    Constructor
    
    Parameters:
    
    npredf - Neighborhood predicate
- Method Detail
  - getInputTypeRestriction
```
public TypeInformation[] getInputTypeRestriction()
```
    Description copied from interface: Algorithm
    
    Get the input type restriction used for negotiating the data query.
    
    Returns:
    
    Type restriction
  - run
```
public OutlierResult run(Database database,
                         Relation<N> spatial,
                         Relation<O> attributes)
```
    Run the algorithm
    
    Parameters:
    
    database - Database
    
    spatial - Spatial relation
    
    attributes - Attributes relation
    
    Returns:
    
    Outlier detection result