Dennis,

Detailed instructions for adding the Ubuntu repositories can be found here:

http://cran.r-project.org/bin/linux/ubuntu/

I think you need to make this change:

dev http://cran.cnr.berkeley.edu/bin/linux/ubuntu jaunty/

You will also should install secure apt key as described in the instructions.

Michael

Dennis Fisher wrote:
Colleagues,

Please forgive my ignorance of this topic. I am experienced with the installation/use of R in OSX and Windows, much less so with Linux.

I just created a virtual machine of Ubuntu 9.0.4. Using the Synaptic Package Manager, I installed R 2.8.1. I would like to obtain 2.9.x and I am having trouble doing so using the tools available within Ubuntu.

I tried
    apt-get install r-base
The system replied that the newest version was already installed and no changes were made.

I also added
    dev http://cran.cnr.berkeley.edu/bin/linux/debian etch-cran
to
    /etc/apt/sources.list
Running apt-get install r-base again yielded no response.

Can anyone advise on the simplest means to update to 2.9.x. I need only the basic packages, nothing special. Thanks in advance.

Dennis

Dennis Fisher MD
P < (The "P Less Than" Company)
Phone: 1-866-PLessThan (1-866-753-7784)
Fax: 1-415-564-2220
www.PLessThan.com

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Dr. Michael A. Rutter
School of Science
Penn State Erie, The Behrend College
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http://math.bd.psu.edu/faculty/rutter

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