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Article Dans Une Revue Journal of Chemometrics Année : 2013

Probabilistic model-based discriminant analysis and clustering methods in chemometrics

Résumé

In chemometrics, the supervised and unsupervised classification of high-dimensional data has become a recurrent problem. Model-based techniques for discriminant analysis and clustering are popular tools, which are renowned for their probabilistic foundations and their flexibility. However, classical model-based techniques show a disappoint- ing behaviour in high-dimensional spaces, which up to now have been limited in their use within chemometrics. The recent developments in model-based classification overcame these drawbacks and enabled the efficient classifica- tion of high-dimensional data, even in the 'small n / large p' condition. This work presents a comprehensive review of these recent approaches, including regularization-based techniques, parsimonious modelling, subspace classifica- tion methods and classification methods based on variable selection. The use of these model-based methods is also illustrated on real-world classification problems in chemometrics using R packages.
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Dates et versions

hal-00875883 , version 1 (23-10-2013)

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Charles Bouveyron. Probabilistic model-based discriminant analysis and clustering methods in chemometrics. Journal of Chemometrics, 2013, in press. ⟨10.1002/cem.2560⟩. ⟨hal-00875883⟩
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