On Gamma Regression Residuals

Authors

  • Edilberto Cepeda-Cuervo‎ ‎Departamento de Estadi‎‎‎‎‏stica‎, ‎Universidad Nacional de Colombia
  • Martha Corrales
  • ‎Hector Zarate
  • ‎Maria Victoria Cifuentes‎
Abstract:

In this paper, ‎we propose new residuals for gamma regression models, ‎assuming that both mean and shape parameters follow regression structures. The  models are summarized and fitted by applying both classic and Bayesian methods as proposed by Cepeda-Cuervo (2001). The residuals are proposed from properties of the biparametric exponential family of distributions. ‎Simulated and real data sets‎ ‎are analyzed to determine the performance and behavior of the proposed residuals. ‎

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Journal title

volume 15  issue None

pages  29- 44

publication date 2016-07

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