Package elki.clustering.dbscan.predicates

Class PreDeConNeighborPredicate

java.lang.Object

elki.clustering.dbscan.predicates.AbstractRangeQueryNeighborPredicate<elki.data.NumberVector,PreDeConNeighborPredicate.PreDeConModel,PreDeConNeighborPredicate.PreDeConModel>

elki.clustering.dbscan.predicates.PreDeConNeighborPredicate

All Implemented Interfaces:

NeighborPredicate<PreDeConNeighborPredicate.PreDeConModel>

@Reference(authors="Christian B\u00f6hm, Karin Kailing, Hans-Peter Kriegel, Peer Kr\u00f6ger",
           title="Density Connected Clustering with Local Subspace Preferences",
           booktitle="Proc. 4th IEEE Int. Conf. on Data Mining (ICDM\'04)",
           url="https://doi.org/10.1109/ICDM.2004.10087",
           bibkey="DBLP:conf/icdm/BohmKKK04")
public class PreDeConNeighborPredicate
extends AbstractRangeQueryNeighborPredicate<elki.data.NumberVector,PreDeConNeighborPredicate.PreDeConModel,PreDeConNeighborPredicate.PreDeConModel>

Neighborhood predicate used by PreDeCon.

Reference:

Christian Böhm, Karin Kailing, Hans-Peter Kriegel, Peer Kröger
Density Connected Clustering with Local Subspace Preferences.
Proc. 4th IEEE Int. Conf. on Data Mining (ICDM'04)

Since:

0.7.0

Author:

Peer Kröger, Erich Schubert

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	PreDeConNeighborPredicate.Instance	Instance for a particular data set.
static class	PreDeConNeighborPredicate.Par	Parameterization class.
static class	PreDeConNeighborPredicate.PreDeConModel	Model used by PreDeCon for core point property.

Field Summary

Fields

Modifier and Type	Field	Description
private static elki.logging.Logging	LOG	The logger for this class.
private elki.math.MeanVariance	mvSize	Tool to help with parameterization.
private elki.math.MeanVariance	mvVar	Tool to help with parameterization.
private PreDeCon.Settings	settings	PreDeCon settings class.

Fields inherited from class elki.clustering.dbscan.predicates.AbstractRangeQueryNeighborPredicate

distance, epsilon

Constructor Summary

Constructors

Constructor	Description
PreDeConNeighborPredicate(PreDeCon.Settings settings)	Constructor.

Method Summary

Modifier and Type	Method	Description
protected PreDeConNeighborPredicate.PreDeConModel	computeLocalModel(elki.database.ids.DBIDRef id, elki.database.ids.DoubleDBIDList neighbors, elki.database.relation.Relation<? extends elki.data.NumberVector> relation)	Method to compute the actual data model.
(package private) elki.logging.Logging	getLogger()	Get the class logger.
elki.data.type.SimpleTypeInformation<PreDeConNeighborPredicate.PreDeConModel>	getOutputType()	Output data type information.
PreDeConNeighborPredicate.Instance	instantiate(elki.database.Database database)	Instantiate for a database.

Methods inherited from class elki.clustering.dbscan.predicates.AbstractRangeQueryNeighborPredicate

getInputTypeRestriction, preprocess

Methods inherited from class java.lang.Object

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

Field Detail

LOG

private static final elki.logging.Logging LOG

The logger for this class.

mvSize

private elki.math.MeanVariance mvSize

Tool to help with parameterization.

mvVar

private elki.math.MeanVariance mvVar

Tool to help with parameterization.

settings

private PreDeCon.Settings settings

PreDeCon settings class.

Constructor Detail

PreDeConNeighborPredicate

public PreDeConNeighborPredicate(PreDeCon.Settings settings)

Constructor.

Parameters:

settings - PreDeCon settings

Method Detail

instantiate

public PreDeConNeighborPredicate.Instance instantiate(elki.database.Database database)

Description copied from interface: NeighborPredicate

Instantiate for a database.

Parameters:

database - Database to instantiate for

Returns:

Instance

computeLocalModel

protected PreDeConNeighborPredicate.PreDeConModel computeLocalModel(elki.database.ids.DBIDRef id,
                                                                    elki.database.ids.DoubleDBIDList neighbors,
                                                                    elki.database.relation.Relation<? extends elki.data.NumberVector> relation)

Description copied from class: AbstractRangeQueryNeighborPredicate

Method to compute the actual data model.

Specified by:

computeLocalModel in class AbstractRangeQueryNeighborPredicate<elki.data.NumberVector,PreDeConNeighborPredicate.PreDeConModel,PreDeConNeighborPredicate.PreDeConModel>

Parameters:

id - Object ID

neighbors - Neighbors

relation - Data relation

Returns:

Model for this object.

getLogger

elki.logging.Logging getLogger()

Description copied from class: AbstractRangeQueryNeighborPredicate

Get the class logger.

Specified by:

getLogger in class AbstractRangeQueryNeighborPredicate<elki.data.NumberVector,PreDeConNeighborPredicate.PreDeConModel,PreDeConNeighborPredicate.PreDeConModel>

Returns:

Logger

getOutputType

public elki.data.type.SimpleTypeInformation<PreDeConNeighborPredicate.PreDeConModel> getOutputType()

Description copied from interface: NeighborPredicate

Output data type information.

Returns:

Type information