[R-br] Erro: pacote não encontrado

[Benilton Carvalho]

tbm no R-2.13.1... (mas nesse, com uns problemas esquisitos, que nao
aparecem se eu nao usar o RStudio)

> sessionInfo()
R version 2.13.1 Patched (2011-07-28 r56541)
Platform: x86_64-apple-darwin9.8.0/x86_64 (64-bit)

locale:
[1] C

attached base packages:
[1] splines   stats     graphics  grDevices datasets  utils
methods   base

other attached packages:
[1] epicalc_2.13.1.4   nnet_7.3-1         MASS_7.3-14
survival_2.36-9    foreign_0.8-46
[6] RColorBrewer_1.0-5

loaded via a namespace (and not attached):
[1] tools_2.13.1