[R] How to install older version of R?

[Paul Hiemstra]

Dear Jia-Chiun Pan,

First of all, why install an older version of R? In my experience the 
backward compatibility of R is quite good. So using R 2.10.0 should be 
ok. But if you really want this you can build R from source. The source 
can be downloaded from CRAN:

http://cran.r-project.org/src/base/R-2/R-2.7.2.tar.gz

Extract, ./configure, make, make install and you have R 2.7.2 installed 
on your system.

cheers,
Paul

Pan, Jia-chiun/潘家群 wrote:
> Dear list
>
>         This is much like a linux problem, but I can't find any
> reference for it. My OS is ubuntu 9.04 and a version of 2.9.2 of R has
> been already installed in. Now, I need to install the version of 2.7.1.
> I google a lot of websites and it seems like without a painless way
> provided me to do it.
>         If any one offers me some suggestions/reference, I will
> appreciate.
> 		
>                                              Jia-Chiun Pan
>
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> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>   


-- 
Drs. Paul Hiemstra
Department of Physical Geography
Faculty of Geosciences
University of Utrecht
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3508 TC Utrecht
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http://intamap.geo.uu.nl/~paul