[R] chooseCRANmirror

[Prof Brian Ripley]

On 31/05/2013 14:59, Duncan Murdoch wrote:
> On 31/05/2013 9:49 AM, Christian Hoffmann wrote:
>> Obviously,
>>
>> chooseCRANmirror()
>>
>> is run at every start. Can I permanently store my choice with q() and
>> 'yes' ?
>>
>>
>
> No, the result is not stored as an object in your global workspace, it
> is saved by setting an option to a URL.  (See the help page, or the
> source to the function for more details.)

That's ambiguous: the value of an option is set to the URL of the CRAN 
mirror.
>
> The usual way people fix this is to set the option in their Rprofile or
> Rprofile.site file.  See ?Startup for the location of those (and an
> example of setting the repository).

E.g.

options(repos=c(CRAN="http://cran.r-project.org"))
options(repos=c(CRAN="file:///data/gannet/ripley/R"))

for the CRAN master and my local mirror respectively.

-- 
Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595