On Wed, Apr 7, 2010 at 3:50 PM, zahra sheikhbahaee
<sheikhbah...@gmail.com> wrote:
> Hi
>
> I have already done this because each package has different suffix which
> shows the version of the package. I imported in the program both of them but
> since the name of the function is the same in both and it needs different
> parameters in each one, it makes a big mistake. I figured out that even I
> call the function with the prefix of the package it only realized the last
> one.
This is an R question, so it might be best to ask on the R-help list
(or ask the author). You'll get the best answers there, I think.
Sean
> On Wed, Apr 7, 2010 at 6:56 PM, Brandon Invergo <bran...@brandoninvergo.com>
> wrote:
>>
>> There's no way of specifying versions in R's library() function, so I'm
>> assuming that if you successfully have both versions of the package
>> installed in R, they must have different names (I'm pretty sure installing a
>> new version of a package overwrites the previous version). If that's the
>> case, using the latest version of rpy2 (2.1.0-rc):
>>
>> from rpy2.robjects.packages import importr
>> new_package = importr("new.package.name")
>> old_package = importr("old.package.name")
>>
>> And then just access the functions using standard python library syntax:
>> old_package.old_function() or new_package.some_other_function()
>>
>> If you've somehow managed to have two different versions of the same
>> package installed in R with the same name, you'll have to find a more clever
>> solution.
>>
>> Cheers,
>> Brandon
>>
>> ________________________________
>> From: zahra sheikhbahaee <sheikhbah...@gmail.com>
>> To: "RPy help, support and design discussion list"
>> <rpy-list@lists.sourceforge.net>
>> Sent: Wed, April 7, 2010 6:26:46 PM
>> Subject: [Rpy] export a package of R in python program
>>
>> Hi,
>>
>> I am using a package of R in my python code. I have to import two versions
>> of package in my program, because there is a function in one of them which
>> does not exist in the new version. The problem is that, afterward I want to
>> use one of the functions of new version but it looks for the function in old
>> version and ask the parameters of the other version which does not have the
>> some abilities of the new funcion. I wonder how I could export from the
>> first package and import in the new one in one program.
>>
>> Zahra.
>>
>>
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>
>
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