(This article was originally published at One R Tip A Day, and syndicated at StatsBlogs.)
The new R 2.13.0 is out! Get the source code from here.
Take a look at these posts for some miscellaneous advices to make the upgrade easier.
Also this thread on stackoverflow and this post contributed by Tal Galili can be of some value to make the procedure less painful.
Feel free to contribute with suggestions about how to upgrade your R installation.
Please comment on the article here: One R Tip A Day
