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kddml.Core.DataMining.Clustering.DistributionBasedComparisonMeasure Class Reference

Inheritance diagram for kddml.Core.DataMining.Clustering.DistributionBasedComparisonMeasure:

kddml.Core.DataMining.Clustering.ComparisonMeasure kddml.Core.DataMining.Clustering.EM_DISTANCE List of all members.

Public Member Functions

 DistributionBasedComparisonMeasure ()
abstract double[] getDistributionProbability (Cluster[] cluster, Instance instance) throws ClusteringModelException
boolean isCentroidBased ()

Detailed Description

A comparison measure distribution-based. This is used only with a distribution-based clustering.

Title: KDDML

Description: Knowledge Discovery in Database Environment

Copyright: Copyright (c) 2003-2005

Company: Universita' di Pisa - Dipartimento di Informatica

Author:
Andrea Romei (romei@di.unipi.it)
Version:
2.0.16


Constructor & Destructor Documentation

kddml.Core.DataMining.Clustering.DistributionBasedComparisonMeasure.DistributionBasedComparisonMeasure  ) 
 

Empty constructor.


Member Function Documentation

abstract double [] kddml.Core.DataMining.Clustering.DistributionBasedComparisonMeasure.getDistributionProbability Cluster[]  cluster,
Instance  instance
throws ClusteringModelException [pure virtual]
 

Given an input instance, returns a distribution probability in which the i-esim array location contains the probability that the instance belongs to the cluster i.

Parameters:
cluster Cluster[] the set of clusters.
instance Instance the input instance as in weka.core.Instance.
Exceptions:
ClusteringModelException if an error occurs.
Returns:
double[] a normalized array.

Implemented in kddml.Core.DataMining.Clustering.EM_DISTANCE.

boolean kddml.Core.DataMining.Clustering.DistributionBasedComparisonMeasure.isCentroidBased  )  [virtual]
 

Returns true if the function is related to a centroid-based clustering. Returns true if the function is related to a distribution-based clustering.

Returns:
boolean false

Implements kddml.Core.DataMining.Clustering.ComparisonMeasure.


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