Restricted likelihood inference for generalized linear mixed models

  • Authors:
  • Ruggero Bellio;Alessandra R. Brazzale

  • Affiliations:
  • Dipartimento di Scienze Statistiche, Università di Udine, Udine (UD), Italy 33100;Dipartimento di Scienze Sociali, Cognitive e Quantitative, Università di Modena e Reggio Emilia, Reggio Emilia (RE), Italy 42121 and Istituto di Ingegneria Biomedica, Consiglio Nazionale dell ...

  • Venue:
  • Statistics and Computing
  • Year:
  • 2011

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Abstract

We aim to promote the use of the modified profile likelihood function for estimating the variance parameters of a GLMM in analogy to the REML criterion for linear mixed models. Our approach is based on both quasi-Monte Carlo integration and numerical quadrature, obtaining in either case simulation-free inferential results. We will illustrate our idea by applying it to regression models with binary responses or count data and independent clusters, covering also the case of two-part models. Two real data examples and three simulation studies support the use of the proposed solution as a natural extension of REML for GLMMs. An R package implementing the methodology is available online.