[R] R update problem

[Emre Sahin]

On Wed, May 15, 2013 at 07:59:32AM -0700, carol white wrote:
> Hi,
> I try to update R on Ubuntu
> 
> I added deb http://cran.cnr.Berkeley.edu/bin/linux/ubuntu precise/ in /etc/apt/sources.list but any mirror site that I take, I get the following error msg:
> 
> W: GPG error: http://cran.cnr.Berkeley.edu precise/ Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 51716619E084DAB9
> 

Hi, 

In a terminal, could you type

sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys E084DAB9

HTH. 

E.