Birnbaum‐Saunders distribution: A review of models, analysis, and applications

N Balakrishnan, D Kundu - Applied Stochastic Models in …, 2019 - Wiley Online Library
Birnbaum and Saunders introduced a two‐parameter lifetime distribution to model the
fatigue life of a metal, subject to cyclic stress. Since then, extensive work has been done on …

An overview on parametric quantile regression models and their computational implementation with applications to biomedical problems including COVID-19 data

J Mazucheli, B Alves, AFB Menezes, V Leiva - Computer Methods and …, 2022 - Elsevier
Quantile regression allows us to estimate the relationship between covariates and any
quantile of the response variable rather than the mean. Recently, several statistical …

Automatic segmentation model combining U-Net and level set method for medical images

Y Yang, C Feng, R Wang - Expert Systems with Applications, 2020 - Elsevier
We introduce a new method that combines a constrained term and level set method for the
automated segmentation of medical image. There are two types of constrained terms, fully …

Birnbaum‐Saunders quantile regression and its diagnostics with application to economic data

L Sánchez, V Leiva, M Galea… - … Stochastic Models in …, 2021 - Wiley Online Library
Abstract The Birnbaum‐Saunders (BS) distribution is a model that frequently appears in the
statistical literature and has proved to be very versatile and efficient across a wide range of …

On a partial least squares regression model for asymmetric data with a chemical application in mining

M Huerta, V Leiva, S Liu, M Rodríguez… - … and Intelligent Laboratory …, 2019 - Elsevier
In chemometrical applications, covariates in regression models are often correlated, causing
a collinearity problem that can be solved by partial least squares (PLS) regression. In …

Birnbaum-Saunders quantile regression models with application to spatial data

L Sánchez, V Leiva, M Galea, H Saulo - Mathematics, 2020 - mdpi.com
In the present paper, a novel spatial quantile regression model based on the Birnbaum–
Saunders distribution is formulated. This distribution has been widely studied and applied in …

The unit generalized half-normal quantile regression model: formulation, estimation, diagnostics, and numerical applications

J Mazucheli, MÇ Korkmaz, AFB Menezes, V Leiva - Soft Computing, 2023 - Springer
In this paper, we propose and derive a new regression model for response variables defined
on the open unit interval. By reparameterizing the unit generalized half-normal distribution …

A new BISARMA time series model for forecasting mortality using weather and particulate matter data

V Leiva, H Saulo, R Souza, RG Aykroyd… - Journal of …, 2021 - Wiley Online Library
Abstract The Birnbaum–Saunders (BS) distribution is a model that frequently appears in the
statistical literature and has proved to be very versatile and efficient across a wide range of …

Weibull regression and machine learning survival models: Methodology, comparison, and application to biomedical data related to cardiac surgery

T Cavalcante, R Ospina, V Leiva, X Cabezas… - Biology, 2023 - mdpi.com
Simple Summary This article proposes a comparative study between two models that can be
used by researchers for the analysis of survival data: Weibull regression and random …

A novel regression model for fractiles: Formulation, computational aspects, and applications to medical data

V Leiva, J Mazucheli, B Alves - Fractal and Fractional, 2023 - mdpi.com
Covariate-related response variables that are measured on the unit interval frequently arise
in diverse studies when index and proportion data are of interest. A regression on the mean …