Package elki.clustering.correlation

Class HiCO.Instance

java.lang.Object

elki.clustering.optics.GeneralizedOPTICS.Instance<CorrelationClusterOrder>

elki.clustering.correlation.HiCO.Instance

All Implemented Interfaces:

java.util.Comparator<DBIDRef>

Enclosing class:

HiCO

private class HiCO.Instance
extends GeneralizedOPTICS.Instance<CorrelationClusterOrder>

Instance of the OPTICS algorithm.

Author:

Erich Schubert

Field Summary

Fields

Modifier and Type	Field	Description
private ArrayModifiableDBIDs	clusterOrder	Cluster order.
private WritableIntegerDataStore	correlationValue	Correlation value.
protected WritableDataStore<PCAFilteredResult>	localPCAs	The storage for precomputed local PCAs
private Relation<? extends NumberVector>	relation	Data relation.
(package private) java.util.Comparator<DBIDRef>	tmpcomp	Sort object by the temporary fields.
private WritableIntegerDataStore	tmpCorrelation	Temporary storage of correlation values.
private WritableDoubleDataStore	tmpDistance	Temporary storage of distances.
private ArrayModifiableDBIDs	tmpIds	Temporary ids.

Fields inherited from class elki.clustering.optics.GeneralizedOPTICS.Instance

candidates, predecessor, processedIDs, reachability

Constructor Summary

Constructors

Constructor	Description
Instance(Relation<? extends NumberVector> relation)	Constructor.

Method Summary

Modifier and Type	Method	Description
protected CorrelationClusterOrder	buildResult()	Build the final result.
int	compare(DBIDRef o1, DBIDRef o2)
protected void	expandDBID(DBIDRef id)	Add the current DBID to the cluster order, and expand its neighbors if minPts and similar conditions are satisfied.
protected Logging	getLogger()	Get the class logger.
protected void	initialDBID(DBIDRef id)	Initialize for a new DBID.
CorrelationClusterOrder	run()	Process the data set.

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Comparator

equals, reversed, thenComparing, thenComparing, thenComparing, thenComparingDouble, thenComparingInt, thenComparingLong

Field Detail

relation

private Relation<? extends NumberVector> relation

Data relation.

localPCAs

protected WritableDataStore<PCAFilteredResult> localPCAs

The storage for precomputed local PCAs

clusterOrder

private ArrayModifiableDBIDs clusterOrder

Cluster order.

correlationValue

private WritableIntegerDataStore correlationValue

Correlation value.

tmpCorrelation

private WritableIntegerDataStore tmpCorrelation

Temporary storage of correlation values.

tmpDistance

private WritableDoubleDataStore tmpDistance

Temporary storage of distances.

tmpIds

private ArrayModifiableDBIDs tmpIds

Temporary ids.

tmpcomp

java.util.Comparator<DBIDRef> tmpcomp

Sort object by the temporary fields.

Constructor Detail

Instance

public Instance(Relation<? extends NumberVector> relation)

Constructor.

Parameters:

relation - Relation

Method Detail

run

public CorrelationClusterOrder run()

Description copied from class: GeneralizedOPTICS.Instance

Process the data set.

Overrides:

run in class GeneralizedOPTICS.Instance<CorrelationClusterOrder>

Returns:

Cluster order result.

buildResult

protected CorrelationClusterOrder buildResult()

Description copied from class: GeneralizedOPTICS.Instance

Build the final result.

Specified by:

buildResult in class GeneralizedOPTICS.Instance<CorrelationClusterOrder>

Returns:

Result

initialDBID

protected void initialDBID(DBIDRef id)

Description copied from class: GeneralizedOPTICS.Instance

Initialize for a new DBID.

Specified by:

initialDBID in class GeneralizedOPTICS.Instance<CorrelationClusterOrder>

Parameters:

id - Current object ID

expandDBID

protected void expandDBID(DBIDRef id)

Description copied from class: GeneralizedOPTICS.Instance

Add the current DBID to the cluster order, and expand its neighbors if minPts and similar conditions are satisfied.

Specified by:

expandDBID in class GeneralizedOPTICS.Instance<CorrelationClusterOrder>

Parameters:

id - Current object ID

compare

public int compare(DBIDRef o1,
                   DBIDRef o2)

Specified by:

compare in interface java.util.Comparator<DBIDRef>

Overrides:

compare in class GeneralizedOPTICS.Instance<CorrelationClusterOrder>

getLogger

protected Logging getLogger()

Description copied from class: GeneralizedOPTICS.Instance

Get the class logger.

Specified by:

getLogger in class GeneralizedOPTICS.Instance<CorrelationClusterOrder>

Returns:

Class logger