Dear Paul,

Thank you for your response.  I am investigating a differentially expressed
gene detected method that cannot be applied on R 2.9.1 that currently I
used. The reason about why it cannot work due to the changes of new version
of R. And, recently, I study a lots of methods that developed by some
statisticians, they kindly provided me source code, but some of codes only
implements on the older version of R or packages. I have met many cases of
this situation. That's why I am trying to get an older version.

Jia-Chiun Pan

2009/11/19 Paul Hiemstra <p.hiemstra@geo.uu.nl>

> 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
>>
>> ______________________________________________
>> R-help@r-project.org mailing list
>> https://stat.ethz.ch/mailman/listinfo/r-help
>> PLEASE do read the posting guide
>> http://www.R-project.org/posting-guide.html<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
> Heidelberglaan 2
> P.O. Box 80.115
> 3508 TC Utrecht
> Phone:  +3130 274 3113 Mon-Tue
> Phone:  +3130 253 5773 Wed-Fri
> http://intamap.geo.uu.nl/~paul
>
>

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