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# MEteorit
Mixtures-of-ExperTs modEling for cOmplex and non-noRmal dIsTributions

MEteoritS is a toolbox containg several original and flexible mixtures-of-experts models to model, cluster and classify heteregenous data in many complex situations where the data are distributed according non-normal, possibly skewed distributions, and when they might be corrupted by atypical observations. The toolbox contains in particular sparse mixture-of-experts models for high-dimensional data.


Our (dis-)covered meteorites are for instance the following:

NMoE

NNMoE

tMoE

StMoE

.

.

RMoE


The models and algorithms are developped and written in Matlab by Faicel Chamroukhi, and translated and designed into R packages by Florian Lecocq, Marius Bartcus and Faicel Chamroukhi.

#References

Hien D. Nguyen and Faicel Chamroukhi. Practical and theoretical aspects of mixture-of-experts modeling: An overview. Wiley Interdisciplinary Reviews: Data Mining and Knowledge Discovery Wiley Periodicals, Inc., pages:e1246–n/a, Feb., 2018

F. Chamroukhi. Skew $t$ mixture of experts. Neurocomputing - Elsevier, Vol. 266, pages:390-408, November, 2017

F. Chamroukhi. Robust mixture of experts modeling using the $t$-distribution. Neural Networks - Elsevier, Vol. 79, pages:20–36, 2016

F. Chamroukhi. Skew-Normal Mixture of Experts., July, 2016, The International Joint Conference on Neural Networks (IEEE IJCNN).

Chamroukhi, F. Statistical learning of latent data models for complex data analysis. Habilitation Thesis (HDR), Université de Toulon, 07 december, 2015


Chamroukhi, F.. Hidden process regression for curve modeling, classification and tracking. Ph.D. Thesis, Université de Technologie de Compiègne, 13 december, 2010

Chamroukhi, F., Samé, A., Govaert, G. and Aknin, P.. Time series modeling by a regression approach based on a latent process. Neural Networks Elsevier Science Ltd.., Vol. 22(5-6), pages:593–602, 2009

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