Problems installing lme4 on Ubuntu

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Bill Harris <bill_harris at facilitatedsystems.com> writes:

This shows you how you can get current R binaries with just one apt-get
command.  With that, you then get to decide if you want the prebuild r-cran-*
packages (as e.g. r-cran-lme4) or whether you want to built them yourself in
R via install.packages().  In which case r-base-dev will be helpful to
install needed packages.

I tried that, but using the mirrors at fhcrc and wustl both gave me
errors when I tried to install: 

,----
| WARNING: The following packages cannot be authenticated!
|   ess r-base-core r-cran-lattice r-cran-mgcv r-cran-vr r-base r-recommended
|   r-cran-rodbc r-base-html
| Install these packages without verification [y/N]? 
`----

Is that to be expected?  I aborted the process, but, if you say that's
normal, I'll try again.

I should have said I tried the process shown on that page under SECURE
APT:

,----
| $ gpg --keyserver subkeys.pgp.net --recv-key E2A11821
| gpg: requesting key E2A11821 from hkp server subkeys.pgp.net
| gpg: key E2A11821: "Vincent Goulet <vincent.goulet at act.ulaval.ca>" not changed
| gpg: Total number processed: 1
| gpg:              unchanged: 1
| $ gpg -a --export E2A11821 | sudo apt-key add -
| OK
`----

Bill
- -- 
Bill Harris                      http://facilitatedsystems.com/weblog/
Facilitated Systems                              Everett, WA 98208 USA
http://facilitatedsystems.com/                  phone: +1 425 337-5541
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