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George Tzougas, Natalia Hong and Ryan Ho
In this article we present a class of mixed Poisson regression models with varying dispersion arising from non-conjugate to the Poisson mixing distributions for modelling overdispersed claim counts in non-life insurance. The proposed family of models com...
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Hui Ren, Peixiao Wang, Wei Guo and Xinyan Zhu
The outbreak of COVID-19 has constantly exposed health care workers (HCWs) around the world to a high risk of infection. To more accurately discover the infection differences among high-risk occupations and institutions, Hubei Province was taken as an ex...
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Cristina Restrepo Arango,Rubén Urbizagástegui Alvarado
Este trabajo analiza la productividad científica de los autores que han publicado documentos en cuatro revistas de ciencia de la información editadas en Colombia desde 1978 a 2009. Se encontraron 555 autores, de los cuales 422 (76%) publicaron un único a...
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Ruben Urbizagastegui
Estuda a produção estratificada dos autores produtores da literatura sobre a Lei de Lotka de 1922 a 2003 e analisa essa produtividade através dos modelos Poisson lognormal e GaussPoisson inversa generalizada. Para tanto, faz uso dos três tipos de contage...
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