Check if there is a difference between the following three pathes:

 >>> import rpy2.rinterface as ri
 >>> ri.R_HOME

$ R RHOME

$ echo R_HOME


L.


PS: For accessing the R documentation system, there is an embryonic set 
of utilities in rpy2-2.2. Check 
http://rpy.sourceforge.net/rpy2/doc-2.2/html/rhelp.html





On 2011-05-25 17:19, Warnes, Gregory R. wrote:
> It is possible if rpy is detecting and using a different R binary...
>
> -Greg
>
>> -----Original Message-----
>> From: Luca Beltrame [mailto:luca.beltr...@marionegri.it]
>> Sent: Wednesday, May 25, 2011 10:16 AM
>> To: rpy-list@lists.sourceforge.net
>> Subject: [Rpy] Strangeness with R.home
>>
>> Hello,
>>
>> When writing a script to detect R's doc directory, I found that on an
>> Ubuntu
>> (11.04) system the output of R.home in rpy2 is different than when in
> R.
>> Python:
>> base.R_home("doc")
>> <StrVector - Python:0x3740638 / R:0x32dfb68>  ['/usr/lib64/R/doc']
>>
>> (which is wrong)
>>
>> R:
>>> R.home("doc")
>> [1] "/usr/share/R/doc"
>>
>> (correct)
>>
>> I suspect some changes on Ubuntu packages, as on my main openSUSE
> system
>> (self packaged R) the first output (Python) is correct.
>>
>> How can that be possible?
>>
>> (rpy2.2 RC)
>>
>> --
>> Luca Beltrame, Ph.D. - Translational Genomics Unit Oncology
> Department,
>> Mario Negri Institute
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