Try 'precise' instead of 'utopic'

On Wed, Jan 14, 2015 at 7:31 PM, John Sorkin
<jsor...@grecc.umaryland.edu> wrote:
> I am trying to install R on Linux mint 17.1. I followed the instructions 
> found on CRAN and got a messages about unmet dependencies. I detail below the 
> steps I took:
>
> I added deb http://lib.stat.cmu.edu/R/CRAN/bin/linux/ubuntu utopic/
> to /etc/apt/sources.list
> As can be seen below:
>
> john-OptiPlex-GX270 apt # more sources.list
> #deb cdrom:[Linux Mint 17.1 _Rebecca_ - Release i386 20141126]/ trusty 
> contrib main non-free
> deb http://lib.stat.cmu.edu/R/CRAN/bin/linux/ubuntu utopic/
>
> And then followed the instructions on CRAN:
>
> sudo apt-get update
> AND RECEIVED THE FOLLOWING MESSAGE:
>
> Fetched 316 kB in 8s (39.5 kB/s)
> Reading package lists... Done
> W: GPG error: http://lib.stat.cmu.edu utopic/ Release: The following 
> signatures couldn't be verified because the public key is not available: 
> NO_PUBKEY 51716619E084DAB9
>
> sudo apt-get install r-base
> AND RECEIVED THE FOLLOWING MESSAGE:
>
> The following packages have unmet dependencies:
>  r-base : Depends: r-base-core (>= 3.1.2-1utopic0) but 3.0.2-1ubuntu1 is to 
> be installed
>           Depends: r-recommended (= 3.1.2-1utopic0) but it is not going to be 
> installed
> E: Unable to correct problems, you have held broken packages.
>
> John David Sorkin M.D., Ph.D.
> Professor of Medicine
> Chief, Biostatistics and Informatics
> University of Maryland School of Medicine Division of Gerontology and 
> Geriatric Medicine
> Baltimore VA Medical Center
> 10 North Greene Street
> GRECC (BT/18/GR)
> Baltimore, MD 21201-1524
> (Phone) 410-605-7119
> (Fax) 410-605-7913 (Please call phone number above prior to faxing)
>
> Confidentiality Statement:
> This email message, including any attachments, is for ...{{dropped:12}}

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