[R] installing R on Ubuntu, can ignore warning messages?

[Ista Zahn]

Hi,
Instructions for authenticating the cran repositories are here:
http://cran.r-project.org/bin/linux/ubuntu/

r-base comes with whatever the base R libraries are (stats, graphics
etc.). I don't know if MASS in particular is in base because I don't
use it directly.

As far as I know it's safe to ignore the warnings, but they annoy me
so I always following the instructions linked above.

The list of packages regularly updated in the cran repo are also
listed on the webpage linked above.

A couple of further tips:
1) I usually install packages with sudo aptitude install r-cran-xxx
and then make sure they are up-to date by running update.packages() in
R.
2) You can also install packages using the regular install.packages()
in an R session.

Hope that helps,
-Ista

On Wed, Oct 14, 2009 at 10:11 PM, robstdev <robstdev at gmail.com> wrote:
> Installing R on Ubuntu 8.10,
> ( using sudo apt-get install r-base , and using one of the cran sites
> (cran.cnr.berkeley.edu))
>
> the installation process says something about not having some gpg
> public key and
> "are you sure you want to download non-authenticated stuff [y/n]"  (to
> which I answered yes).
> I'm assuming this warning can be ignored?
>
> Also: even though the Ubuntu install and online update did a GCC
> install the other day, the R installation did an update of some GCC
> files, which I thought was odd. Probably I can ignore that too.
>
> Once you've installed R, does that automatically include some data
> examples ( such as that MASS library ? )?
> Or does that require further downloads?
>
> Also, thanks for the previous tips
>
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-- 
Ista Zahn
Graduate student
University of Rochester
Department of Clinical and Social Psychology
http://yourpsyche.org