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 What is the solution? Thanks Carol [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
