Ok.  When I type in sudo add-apt-repository ppa:marutter/rrutter
I get a prompt for a password.  I enter my domain password and
get some print about adding the ppa and requeting that I press
enter.  I press enter and this is followed by print stating that 
the key B04C661B is being requested from hkp sevrer 
keyserverubuntu.com followed by connection refused HTTP fetch 
error 7: couldn't connect no valid Open GPG found.
 
I'm not sure what next but I think I need to configure the keyserver.  
Tried this via the command line and it failed.  Maybe creating a 
key.txt file will work but when I search http://keyserver.ubuntu.com:11371/
for E084DAB9 that fails as well.  What next?


________________________________
From: Tyler Ritchie <tyler.ritchie@gmail.com>

@r-project.org> 
Sent: Thursday, March 15, 2012 1:36 PM
Subject: Re: [R] Apt-get


Beltrand was also on the mark, suggesting you add Michael Rutter's ppa to your repository sources. 

In both cases (adding  the CRAN Ubuntu repositories or Michael Rutter's ppa), an additional package repository is added to your system's packages. apt then checks that repository along with the other Ubuntu repositories and exposes the relevant binary R packages that Michael Rutter is curating.

So, your IS people are correct in saying that the latest version of R available through the Ubuntu packages is 2.13.1, but there are more up to date R repositories to use. If you don't have the system rights to add any additional repositories, you'll need your IS folks to add them for you.

-Tyler
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