An improvement of the NEC criterion for assessing the number of clusters in a mixture model

The entropy criterion NEC showed good performances for choosing the number of clusters arising from a mixture model. But it was not valid to decide between one and more than one clusters. This note presents a natural extension of this criterion to deal with this situation. Illustrative experiments e...

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Bibliographic Details
Published in:Pattern recognition letters 1999-03, Vol.20 (3), p.267-272
Main Authors: Biernacki, Christophe, Celeux, Gilles, Govaert, Gérard
Format: Article
Language:English
Subjects:
Cluster analysis
Mixture model
Normalized entropy criterion
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Summary:The entropy criterion NEC showed good performances for choosing the number of clusters arising from a mixture model. But it was not valid to decide between one and more than one clusters. This note presents a natural extension of this criterion to deal with this situation. Illustrative experiments exhibit good behavior of this modified entropy criterion.
ISSN:0167-8655
1872-7344
DOI:10.1016/S0167-8655(98)00144-5