Browsing by Author "Garrido Lopera, B. Liliana"

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    • Bayesian beta regression models: joint mean and precision modeling 

      Cepeda Cuervo, Edilberto; Garrido Lopera, B. Liliana
      This paper summarizes the beta regression models, with joint modeling of the mean and precision parameters, and the Bayesian methodology proposed by Cepeda (2001) and Cepeda and Gamenrman (2005) to fit these models. This ...
      Universidad Nacional de Colombia Sede Bogotá Facultad de Ciencias Departamento de Estadística. 

    • Bivariate beta regression models: a Bayesian approach applied to educational data 

      Cepeda Cuervo, Edilberto; Achcar, Jorge Alberto; Garrido Lopera, B. Liliana
      In this paper we propose a bivariate beta regression model, de¯ning the beta distribution derived from Farlie-Gumbel-Morgenstern (FGM) copulas. This model could be a good alternative to analyze pairs of proportions, when ...
      Universidad Nacional de Colombia Sede Bogotá Facultad de Ciencias Departamento de Estadística.