moa.clusterers.denstream

Class MicroCluster

java.lang.Object

moa.AbstractMOAObject

moa.cluster.Cluster

moa.cluster.SphereCluster

moa.cluster.CFCluster

moa.clusterers.denstream.MicroCluster

All Implemented Interfaces:

Serializable, MOAObject

public class MicroCluster
extends CFCluster

See Also:

Serialized Form

Field Summary

Fields inherited from class moa.cluster.CFCluster

LS, N, radiusFactor, SS

Constructor Summary

Constructors

Constructor and Description
MicroCluster(double[] center, int dimensions, long creationTimestamp, double lambda, Timestamp currentTimestamp)
MicroCluster(weka.core.Instance instance, int dimensions, long timestamp, double lambda, Timestamp currentTimestamp)

Method Summary

Methods

Modifier and Type	Method and Description
MicroCluster	copy() This method produces a copy of this object.
double[]	getCenter()
CFCluster	getCF()
long	getCreationTime()
double	getInclusionProbability(weka.core.Instance instance) Returns the probability of the given point belonging to this cluster.
long	getLastEditTimestamp()
double	getRadius() See interface Cluster
double	getRadius(long timestamp)
double	getWeight() See interface Cluster
void	insert(weka.core.Instance instance, long timestamp)

Methods inherited from class moa.cluster.CFCluster

add, addVectors, getN, setN

Methods inherited from class moa.cluster.SphereCluster

combine, getCenterDistance, getCenterDistance, getClusterSpecificInfo, getDistanceVector, getDistanceVector, getHullDistance, merge, overlapRadiusDegree, overlapSave, sample, setCenter, setRadius, setWeight

Methods inherited from class moa.cluster.Cluster

getDescription, getGroundTruth, getId, getInfo, getMeasureValue, isGroundTruth, setGroundTruth, setId, setMeasureValue, setMeasureValue

Methods inherited from class moa.AbstractMOAObject

copy, measureByteSize, measureByteSize, toString

Methods inherited from class java.lang.Object

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

Constructor Detail

MicroCluster

public MicroCluster(double[] center,
            int dimensions,
            long creationTimestamp,
            double lambda,
            Timestamp currentTimestamp)

MicroCluster

public MicroCluster(weka.core.Instance instance,
            int dimensions,
            long timestamp,
            double lambda,
            Timestamp currentTimestamp)

Method Detail

insert

public void insert(weka.core.Instance instance,
          long timestamp)

getLastEditTimestamp

public long getLastEditTimestamp()

getWeight

public double getWeight()

Description copied from class: CFCluster

See interface Cluster

Overrides:

getWeight in class CFCluster

Returns:

The weight.

See Also:

Cluster.getWeight()

getCreationTime

public long getCreationTime()

getCenter

public double[] getCenter()

Overrides:

getCenter in class CFCluster

Returns:

this kernels' center

getRadius

public double getRadius()

Description copied from class: CFCluster

See interface Cluster

Specified by:

getRadius in class CFCluster

Returns:

The radius of the cluster.

getRadius

public double getRadius(long timestamp)

copy

public MicroCluster copy()

Description copied from interface: MOAObject

This method produces a copy of this object.

Specified by:

copy in interface MOAObject

Overrides:

copy in class AbstractMOAObject

Returns:

a copy of this object

getInclusionProbability

public double getInclusionProbability(weka.core.Instance instance)

Description copied from class: Cluster

Returns the probability of the given point belonging to this cluster.

Specified by:

getInclusionProbability in class CFCluster

Returns:

a value between 0 and 1

getCF

public CFCluster getCF()

Specified by:

getCF in class CFCluster