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r-base installation fails on Ubuntu 14.04

I can make a few suggestions to help you hunt for the issue. This kind
of error is often caused by conflicting packages from proposed,
backports, ppas, or other 3rd party repos. If for some reason you have a
dependency installed from one of those sources that is newer than what R
on cran was built against (stock ubuntu 14.04) then you will hit a conflict.

Simply removing backports from your repos will not solve the problem.
You actually have to roll back the version of any packages you install
from backports.

For ppas, there's a really cool tool out there call ppa-purge which will
roll back anything installed from a specific ppa. For backports you're
going to have to do it by hand. Maybe there's a nice dpkg way to list
all packages you installed from backports?

Thanks,
Alex
On 03/23/2016 10:23 AM, Dirk Eddelbuettel wrote: