[ESS] ESS with multiple versions of R

[Stephen Eglen]

On Fri, Oct 18 2013, Jim Maas wrote:

> Thanks Stephen,
>
> I do get that, except it is missing the "R-3" part, i.e. I get
>
> ess-r-versions is a variable defined in `ess-r-d.el'.
> Its value is ("R-1" "R-2" "R-devel" "R-patched")

Put this at top of .emacs before ESS is loaded:

 (setq ess-r-versions '("R-1" "R-2" "R-3" "R-devel" "R-patched"))

and restart Emacs.  Then see if M-x R-3.02 works.

> I have named my executable file "R-3", linked to the newest version of R,
> have I caused myself a problem there?

No - you probably just need to upgrade ESS so that it has "R-3" already
in the ess-r-versions.