Re: [Rd] upgrading an R installation to next versoin

From: J. Hosking <jh910_at_juno.com>
Date: Thu 30 Jun 2005 - 16:14:49 GMT

Gabor Grothendieck wrote:
> When I install a new version of R (Windows XP) I have to:
>
> 1. copy my rw....\etc\Rprofile.site file to the new installation
>
> 2. copy the rw....\share\texmf files to the tex subfolder of the
> miktex root directory and then refresh the miktex name database
> (I have a batch file that does this for me which I run
> whenever I install a new version of R.)
>
> 3. setup the shortcut key using 'properties' on my R desktop icon so
> that ctrl-alt-R brings up the new rather than the old R. (This one
> really had me confused once since I did not realize I was still
> using the old version of R after installing the new one.)
>
> 4. reinstall the packages I use or else setup etc\Renviron.site with
> an R_LIBS to point to include the old library or perhaps one can
> copy the libraries over being careful not to overwrite new versions
> of the standard libraries.
>
> Many other windows program automatically transfer the settings when
> you upgrade them.
>
> I wonder if the installation process could optionally transfer
> such settings from an old installation to a new one to make it
> easier to install R.

I install each new version of R to a directory ...\R\rcurrent (first renaming the previous rcurrent directory to its "official" name rw....). Having set up the shortcut key one time, on subsequent installations I tick the installer's checkbox "Don't create a Start Menu folder".

I keep a separate directory ...\R\library for nonstandard packages, with environment variable R_LIBS set to the directory name.

My miktex.ini file specifies ...\R\rcurrent\share\texmf as a place to look for input files.

That should take care of your points 3, 4, and 2, respectively. Duncan's suggestion of an R_ENVIRON environment variable (which I didn't know about; thanks, Duncan) should take care of point 1.

Jon Hosking



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