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Classification croisée et modèles

Published online by Cambridge University Press:  15 August 2002

Y. Bencheikh*
Institut de Mathematiques, Université Ferhat Abbas de Setif, Setif 19000, Algérie.
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The relations between automatic clustering methods and inferentiel statistical models have mostely been studied when the data involves only one set. We propose to study these relations in the case of data involving two sets. We shall look at cross clustering methods as suggested by Govaert [6]; we show that these methods, like the simple clustering methods, can be considered as a clustering approach of a mixture model. We introduce the notion of crossed mixture from a concret example and define the notions of likelihood and associated clustered likelihood. Then, we study the relations which exist between the crossed mixture models and simple models and we show that these relations are completely similar to those which exist between the crossed clustering methods and simple clustering methods.

Research Article
© EDP Sciences, 1999

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