Re: [Rd] simplifying number of R installations on disk

2009-12-26 Thread Gabor Grothendieck
Note that there is a batch file Rgui.bat, etc. here: http://batchfiles.googlecode.com that will find R in the Windows registry and then run Rgui.exe so that you don't need to change any paths each time you do an install. There is also a command, Rversions.hta, that will display which versions of

Re: [Rd] simplifying number of R installations on disk

2009-12-26 Thread Dirk Eddelbuettel
Moreover, one may want to script use of R. And while I use R a lot more on non-Windows systems I do have helper and convenience scripts, PATH settings etc to create packages on Windows. For that I find it a PITA to have to adjust things on each upgrade --- and hence some time ago I stopped accept

Re: [Rd] simplifying number of R installations on disk

2009-12-26 Thread Gabor Grothendieck
On Sat, Dec 26, 2009 at 6:26 PM, Charlotte Maia wrote: > I think it's a very bad idea to truncate version numbers. > Version numbers are important, and there may be a critical difference > x.y.0 and x.y.1. > Plus there is no guarantee that the updated version is better than the > previous one. > H

Re: [Rd] simplifying number of R installations on disk

2009-12-26 Thread Charlotte Maia
I think it's a very bad idea to truncate version numbers. Version numbers are important, and there may be a critical difference x.y.0 and x.y.1. Plus there is no guarantee that the updated version is better than the previous one. Hence a programmer may need to go back to x.y.0 until x.y.2 is releas

[Rd] simplifying number of R installations on disk

2009-12-25 Thread Gabor Grothendieck
If R-2.10.0 were the current version of R then by default there will be an R-2.10.0 directory on your machine and when R-2.10.1 comes along a new directory R-2-10.1 will be created if you use the installation defaults. I normally don't use the defaults but rather put all R-2.10.* versions in the s