The R Package bild for the analysis of binary longitudinal data

Goncalves, M. Helena; Cabral, M. Salome; Azzalini, Adelchi

http://hdl.handle.net/10400.1/11290

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Authors

Goncalves, M. Helena

Cabral, M. Salome

Azzalini, Adelchi

Abstract(s)

We present the R package bild for the parametric and graphical analysis of binary longitudinal data. The package performs logistic regression for binary longitudinal data, allowing for serial dependence among observations from a given individual and a random intercept term. Estimation is via maximization of the exact likelihood of a suitably defined model. Missing values and unbalanced data are allowed, with some restrictions. The code of bild is written partly in R language, partly in Fortran 77, interfaced through R. The package is built following the S4 formulation of R methods.