Alguns pacotes R não são atualizados com update.packages ()
SelecionandoPackages->Update packages... deu:
> update.packages(ask='graphics',checkBuilt=TRUE)
--- Please select a CRAN mirror for use in this session ---
Warning: package 'foreign' in library 'C:/Program Files/R/R-3.0.2/library' will not be updated
Warning: package 'lattice' in library 'C:/Program Files/R/R-3.0.2/library' will not be updated
Warning: package 'Matrix' in library 'C:/Program Files/R/R-3.0.2/library' will not be updated
Warning: package 'mgcv' in library 'C:/Program Files/R/R-3.0.2/library' will not be updated
Warning: package 'nlme' in library 'C:/Program Files/R/R-3.0.2/library' will not be updated
Warning: package 'rpart' in library 'C:/Program Files/R/R-3.0.2/library' will not be updated
Eu corri o atalho R no menu de inicialização "como administrador" e obtive os mesmos resultados.
A versão R é 3.0.2.