• Influence diagnostics in exponentiated-Weibull regression models with censored data. 

    Ortega, Edwin M. M.; Cancho, Vicente G.; Bolfarine, Heleno (Institut d'Estadística de Catalunya, 2006)
    Article
    Accés obert
    Diagnostic methods have been an important tool in regression analysis to detect anomalies, such as departures from the error assumptions and the presence of outliers and influential observations with the fitted models. The ...
  • Likelihood-based inference for the power regression model 

    Martínez-Flórez, Guillermo; Bolfarine, Heleno; Gómez, Héctor W. (Institut d'Estadística de Catalunya, 2015-12)
    Article
    Accés obert
    In this paper we investigate an extension of the power-normal model, called the alpha-power model and specialize it to linear and nonlinear regression models, with and without correlated errors. Maximum likelihood estimation ...