[R] Setting R not to try to contact a CRAN repository

[Dieter Menne]

Richard Croy <Richard.Croy <at> fonterra.com> writes:

> I have a computer running R that cannot see the Internet. When I start
> RGui it asks me to select a CRAN mirror. This always fails, of course.

RGui does not ask for a connection to the Internet by default, so some 
installation must have mucked up your Rprofile file in the etc directory.
Open the file, and check for offending lines, and uncomment those.

For example, someone might have smuggled in 

update.packages(...)

Dieter