publicationss

publications by categories in reversed chronological order. generated by jekyll-scholar.

2023

  1. Family of bivariate distributions on the unit square: theoretical properties and applications
    Roberto Vila, Narayanaswamy Balakrishnan, Helton Saulo, and 1 more author
    JOURNAL OF APPLIED STATISTICS, 2023 jul 7 2023
  2. Parametric quantile autoregressive moving average models with exogenous terms
    Alan Dasilva, Helton Saulo, Roberto Vila, and 2 more authors
    STATISTICAL PAPERS, 2023 jun 19 2023
  3. Modeling Income Data via New Parametric Quantile Regressions: Formulation, Computational Statistics, and Application
    Helton Saulo, Roberto Vila, Giovanna V. Borges, and 3 more authors
    MATHEMATICS, Jan 2023
  4. Bivariate symmetric Heckman models and their characterization
    Helton Saulo, Roberto Vila, Shayane S. Cordeiro, and 1 more author
    JOURNAL OF MULTIVARIATE ANALYSIS, Jan 2023
  5. On a new extreme value distribution: characterization, parametric quantile regression, and application to extreme air pollution events
    Helton Saulo, Roberto Vila, Veronica L. Bittencourt, and 3 more authors
    STOCHASTIC ENVIRONMENTAL RESEARCH AND RISK ASSESSMENT, Mar 2023
  6. Original articles On a quantile autoregressive conditional duration model
    Helton Saulo, Narayanaswamy Balakrishnan, and Roberto Vila
    MATHEMATICS AND COMPUTERS IN SIMULATION, Jan 2023
  7. Bootstrap control charts for quantiles based on log-symmetric distributions with applications to the monitoring of reliability data
    Victor Leiva, Rafael A. Santos, Helton Saulo, and 2 more authors
    QUALITY AND RELIABILITY ENGINEERING INTERNATIONAL, Feb 2023

2022

  1. Parametric and partially linear regressions for agricultural economy data
    Julio Cezar S. Vasconcelos, Gauss M. Cordeiro, Edwin M. M. Ortega, and 1 more author
    COMMUNICATIONS IN STATISTICS-THEORY AND METHODS, 2022 aug 29 2022
  2. Theoretical results and modeling under the discrete Birnbaum-Saunders distribution
    Filidor Vilca, Roberto Vila, Helton Saulo, and 2 more authors
    COMMUNICATIONS IN STATISTICS-THEORY AND METHODS, 2022 aug 7 2022
  3. On a length-biased Birnbaum-Saunders regression model applied to meteorological data
    Kessys L. P. Oliveira, Bruno S. Castro, Helton Saulo, and 1 more author
    COMMUNICATIONS IN STATISTICS-THEORY AND METHODS, 2022 feb 4 2022
  4. Catastrophic health expenditures: analysis of the association with socioeconomic conditions in Minas Gerais, Brazil
    Jessica de Brito Macedo, Alexandra Crispim Boing, Juliana Mara Andrade, and 3 more authors
    CIENCIA & SAUDE COLETIVA, Jan 2022
  5. On a log-symmetric quantile tobit model applied to female labor supply data
    Danubia R. Cunha, Jose Angelo Divino, and Helton Saulo
    JOURNAL OF APPLIED STATISTICS, Dec 2022
  6. Log-symmetric quantile regression models
    Helton Saulo, Alan Dasilva, Victor Leiva, and 2 more authors
    STATISTICA NEERLANDICA, May 2022

2021

  1. On some properties of the bimodal normal distribution and its bivariate version
    Roberto Vila, Helton Saulo, and Jamer Roldan
    CHILEAN JOURNAL OF STATISTICS, Dec 2021
  2. A New Quantile Regression Model and Its Diagnostic Analytics for a Weibull Distributed Response with Applications
    Luis Sanchez, Victor Leiva, Helton Saulo, and 2 more authors
    MATHEMATICS, Nov 2021
  3. Modeling Mortality Based on Pollution and Temperature Using a New Birnbaum-Saunders Autoregressive Moving Average Structure with Regressors and Related-Sensors Data
    Helton Saulo, Rubens Souza, Roberto Vila, and 2 more authors
    SENSORS, Oct 2021
  4. On a Family of Discrete Log-Symmetric Distributions
    Helton Saulo, Roberto Vila, Leonardo Paiva, and 2 more authors
    JOURNAL OF STATISTICAL THEORY AND PRACTICE, Sep 2021
  5. Estimating the covariance matrix of the coefficient estimator in multivariate partial least squares regression with chemical applications
    Jose L. Martinez, Victor Leiva, Helton Saulo, and 1 more author
    CHEMOMETRICS AND INTELLIGENT LABORATORY SYSTEMS, Jul 2021
  6. A new BISARMA time series model for forecasting mortality using weather and particulate matter data
    Victor Leiva, Helton Saulo, Rubens Souza, and 2 more authors
    JOURNAL OF FORECASTING, Mar 2021
  7. A class of asymmetric regression models for left-censored data
    Helton Saulo, Jeremias Leao, Juvencio Nobre, and 1 more author
    BRAZILIAN JOURNAL OF PROBABILITY AND STATISTICS, Feb 2021
  8. A bivariate fatigue-life regression model and its application to fracture of metallic tools
    Helton Saulo, Jeremias Leao, Victor Leiva, and 2 more authors
    BRAZILIAN JOURNAL OF PROBABILITY AND STATISTICS, Feb 2021
  9. The role of VES-13 to identify limited life expectancy in older adults in primary healthcare settings
    Danilo Lopes Assis, Virginia Oliveira Chagas, Helton Saulo, and 2 more authors
    REVISTA DA ESCOLA DE ENFERMAGEM DA USP, Feb 2021
  10. Bayesian inference for the log-symmetric autoregressive conditional duration model
    Jeremias Leao, Rafael Paixao, Helton Saulo, and 1 more author
    ANAIS DA ACADEMIA BRASILEIRA DE CIENCIAS, Feb 2021
  11. Birnbaum-Saunders quantile regression and its diagnostics with application to economic data
    Luis Sanchez, Victor Leiva, Manuel Galea, and 1 more author
    APPLIED STOCHASTIC MODELS IN BUSINESS AND INDUSTRY, Jan 2021
  12. Survival model induced by discrete frailty for modeling of lifetime data with long-term survivors and change-point
    Vicente G. Cancho, Gladys Barriga, Jeremias Leao, and 1 more author
    COMMUNICATIONS IN STATISTICS-THEORY AND METHODS, Mar 2021

2020

  1. On a bimodal Birnbaum-Saunders distribution with applications to lifetime data
    Roberto Vila, Jeremias Leao, Helton Saulo, and 2 more authors
    BRAZILIAN JOURNAL OF PROBABILITY AND STATISTICS, Aug 2020
  2. Global and local diagnostic analytics for a geostatistical model based on a new approach to quantile regression
    Victor Leiva, Luis Sanchez, Manuel Galea, and 1 more author
    STOCHASTIC ENVIRONMENTAL RESEARCH AND RISK ASSESSMENT, Oct 2020
  3. [Invited tutorial] Birnbaum-Saunders regression models: a comparative evaluation of three approaches
    Alan Dasilva, Renata Dias, Victor Leiva, and 2 more authors
    JOURNAL OF STATISTICAL COMPUTATION AND SIMULATION, Sep 2020
  4. On a new mixture-based regression model: simulation and application to data with high censoring
    Mario F. Desousa, Helton Saulo, Manoel Santos-Neto, and 1 more author
    JOURNAL OF STATISTICAL COMPUTATION AND SIMULATION, Nov 2020
  5. On Asymmetric Regression Models with Allowance for Temporal Dependence
    Helton Saulo, Roberto Vila, Filidor Vilca, and 1 more author
    JOURNAL OF STATISTICAL THEORY AND PRACTICE, Jun 2020
  6. Birnbaum-Saunders Quantile Regression Models with Application to Spatial Data
    Luis Sanchez, Victor Leiva, Manuel Galea, and 1 more author
    MATHEMATICS, Jun 2020
  7. A bimodal gamma distribution: properties, regression model and applications
    Roberto Vila, Leticia Ferreira, Helton Saulo, and 2 more authors
    STATISTICS, May 2020
  8. Monte Carlo simulation to estimate the concession contracts optimal time: a case study based on Rio Grande do Sul highways
    Rodrigo Nobre Fernandez, Andre Carraro, Helton Saulo, and 2 more authors
    REVISTA DO SERVICO PUBLICO, Apr 2020
  9. A General Family of Autoregressive Conditional Duration Models Applied to High-Frequency Financial Data
    Danubia R. Cunha, Roberto Vila, Helton Saulo, and 1 more author
    JOURNAL OF RISK AND FINANCIAL MANAGEMENT, Mar 2020
  10. Catastrophic health expenditure and multimorbidity among older adults in Brazil
    Gabriella Marques Bernardes, Helton Saulo, Rodrigo Nobre Fernandez, and 2 more authors
    REVISTA DE SAUDE PUBLICA, Mar 2020
  11. On mean-based bivariate Birnbaum-Saunders distributions: Properties, inference and application
    Helton Saulo, Jeremias Leao, Roberto Vila, and 2 more authors
    COMMUNICATIONS IN STATISTICS-THEORY AND METHODS, Dec 2020

2019

  1. Birnbaum-Saunders autoregressive conditional duration models applied to high-frequency financial data
    Helton Saulo, Jeremias Leao, Victor Leiva, and 1 more author
    STATISTICAL PAPERS, Oct 2019
  2. On the existence and uniqueness of the maximum likelihood estimates of parameters of Laplace Birnbaum-Saunders distribution based on Type-I, Type-II and hybrid censored samples
    Xiaojun Zhu, N. Balakrishnan, and Helton Saulo
    METRIKA, Oct 2019
  3. Some simple estimators for the two-parameter gamma distribution
    Helton Saulo, Marcelo Bourguignon, Xiaojun Zhu, and 1 more author
    COMMUNICATIONS IN STATISTICS-SIMULATION AND COMPUTATION, Sep 2019
  4. Log-symmetric regression models: information criteria and application to movie business and industry data with economic implications
    Marcelo Ventura, Helton Saulo, Victor Leiva, and 1 more author
    APPLIED STOCHASTIC MODELS IN BUSINESS AND INDUSTRY, Jul 2019
  5. Discussion of “Birnbaum-Saunders distribution: A review of models, analysis, and applications” by N. Balakrishnan and Debasis Kundu
    Helton Saulo, Jeremias Leao, and Manoel Santos-Neto
    APPLIED STOCHASTIC MODELS IN BUSINESS AND INDUSTRY, Jan 2019
  6. Theoretical results on the discrete Weibull distribution of Nakagawa and Osaki
    Roberto Vila, Eduardo Y. Nakano, and Helton Saulo
    STATISTICS, Jan 2019

2018

  1. Incorporation of frailties into a cure rate regression model and its diagnostics and application to melanoma data
    Jeremias Leao, Victor Leiva, Helton Saulo, and 1 more author
    STATISTICS IN MEDICINE, Dec 2018
  2. A new estimator for the covariance of the PLS coefficients estimator with applications to chemical data
    Jose L. Martinez, Victor Leiva, Helton Saulo, and 2 more authors
    JOURNAL OF CHEMOMETRICS, Dec 2018
  3. A survival model with Birnbaum-Saunders frailty for uncensored and censored cancer data
    Jeremias Leao, Victor Leiva, Helton Saulo, and 1 more author
    BRAZILIAN JOURNAL OF PROBABILITY AND STATISTICS, Nov 2018
  4. ON A NEW APPROACH TO ESTIMATE THE SHAPE PARAMETER OF THE INVERSE GAUSSIAN DISTRIBUTION
    Marcelo Bourguignon, and Helton Saulo
    SOUTH AFRICAN STATISTICAL JOURNAL, Apr 2018
  5. On a tobit-Birnbaum-Saunders model with an application to medical data
    Mario F. Desousa, Helton Saulo, Victor Leiva, and 1 more author
    JOURNAL OF APPLIED STATISTICS, Apr 2018

2017

  1. On moment-type estimators for a class of log-symmetric distributions
    N. Balakrishnan, Helton Saulo, Marcelo Bourguignon, and 1 more author
    COMPUTATIONAL STATISTICS, Dec 2017
  2. A new model selection criterion for partial least squares regression
    Jose L. Martinez, Helton Saulo, Humberto Barrios Escobar, and 1 more author
    CHEMOMETRICS AND INTELLIGENT LABORATORY SYSTEMS, Oct 2017
  3. Estimation in generalized bivariate Birnbaum-Saunders models
    Helton Saulo, N. Balakrishnan, Xiaojun Zhu, and 2 more authors
    METRIKA, May 2017