[HTML][HTML] Diet, nutrition, obesity, and their implications for COVID-19 mortality: Development of a marginalized two-part model for semicontinuous data

N Kamyari, AR Soltanian, H Mahjub… - JMIR public health …, 2021 - publichealth.jmir.org
Background: Nutrition is not a treatment for COVID-19, but it is a modifiable contributor to the
development of chronic disease, which is highly associated with COVID-19 severe illness …

Parametric modal regression with varying precision

M Bourguignon, J Leão, DI Gallardo - Biometrical Journal, 2020 - Wiley Online Library
In this paper, we propose a simple parametric modal linear regression model where the
response variable is gamma distributed using a new parameterization of this distribution that …

Extended exponential regression model: Diagnostics and application to mineral data

YM Gómez, DI Gallardo, J Leão, HW Gómez - Symmetry, 2020 - mdpi.com
In this paper, we reparameterized the extended exponential model based on the mean in
order to include covariates and facilitate the interpretation of the coefficients. The model is …

Improved estimators in beta prime regression models

FMC Medeiros, MC Araújo… - … in Statistics-Simulation …, 2023 - Taylor & Francis
In this paper, we consider the beta prime regression model recently proposed in the
literature, which is tailored to situations where the response is continuous and restricted to …

Correções da estatística da razão de verossimilhanças em modelos de regressão beta prime

JS Campos - 2023 - repositorio.ufpb.br
A presente dissertação trata da correção de Skovgaard para a estatística da razão de
verossilhanças aplicada ao modelo de regressão beta prime reparametrizado em µ e ϕ por …

Gráfico de controle beta prime inflacionado em zero

RRM Sá - 2022 - repositorio.ufpb.br
A distribuição beta prime é muito flexível para modelar dados que são medidos em uma
escala contínua e restritos aos reais positivos, uma vez que sua densidade assume formas …

The negative binomial beta prime regression model with cure rate

J Leao, M Bourguignon, M Santos-Neto… - arXiv preprint arXiv …, 2018 - arxiv.org
This paper introduces a cure rate survival model by assuming that the time to the event of
interest follows a beta prime distribution and that the number of competing causes of the …