Zobrazeno 1 - 4 of 4 pro vyhledávání: '"Valiquette, Samuel"'
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Tree P{\'o}lya Splitting distributions for multivariate count data
Autor: Valiquette, Samuel, Marchand, Éric, Peyhardi, Jean, Toulemonde, Gwladys, Mortier, Frédéric
In this article, we develop a new class of multivariate distributions adapted for count data, called Tree P{\'o}lya Splitting. This class results from the combination of a univariate distribution and singular multivariate distributions along a fixed
Externí odkaz: http://arxiv.org/abs/2404.19528
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Asymptotic tail properties of Poisson mixture distributions
Autor: Valiquette, Samuel, Toulemonde, Gwladys, Peyhardi, Jean, Marchand, Éric, Mortier, Frédéric
Count data are omnipresent in many applied fields, often with overdispersion. With mixtures of Poisson distributions representing an elegant and appealing modelling strategy, we focus here on how the tail behaviour of the mixing distribution is relat
Externí odkaz: http://arxiv.org/abs/2305.17095
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Choice of mixture Poisson models based on Extreme value theory
Autor: Valiquette, Samuel, Mortier, Frédéric, Peyhardi, Jean, Toulemonde, Gwladys
Count data are omnipresent in many applied fields, often with overdispersion due to an excess of zeroes or extreme values. With mixtures of Poisson distributions representing an elegant and appealing modelling strategy, we focus here on the challengi
Externí odkaz: http://arxiv.org/abs/2204.10649
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