I don't know if it could help, but under Mac os, you have to re-install all
your packages after installing a new version of R.
just use the following command :
install.packages("package.name",dependencies = TRUE);
--
View this message in context:
http://r.789695.n4.nabble.com/R-2-13-1-for-Windows-error-when-loading-some-packages-tp3695531p3695552.html
Sent from the R help mailing list archive at Nabble.com.
______________________________________________
R-help@r-project.org mailing list
https://stat.ethz.ch/mailman/listinfo/r-help
PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
and provide commented, minimal, self-contained, reproducible code.
