Simone Gabbriellini wrote:
> I would like to know if there is something like r.assign('ROBJECT',
> PYTHONOBJECT) in rpy2...http://rpy.sourceforge.net/rpy2/doc/html/robjects.html?highlight=assign#environments Or "assign" as you write above: r.assign("foo", 123) > I don't want to use R function to evaluate an object IN Python, I want > to assign a matrix made in python to an R object... > > simone > > 2009/1/14 Simone Gabbriellini <simone.gabbriell...@gmail.com>: >> [so sorry but I just answer your mail... I write to the list and you >> answer to ME and to the list in CC... I have to remember to answer to >> ALL to answer to the mailing list too... again, sorry for that, I >> didn't mean to offend you] >> >> and thanks for the help >> simone >> >> 2009/1/14 Laurent Gautier <lgaut...@gmail.com>: >>> [why getting off the list ???] >>> >>> Simone Gabbriellini wrote: >>>> please do you have an example? >>>> >>>> because when I read "That import alone is sufficient to switch an >>>> automatic conversion of numpy objects into rpy2 objects." I suppose >>>> that every numpy object is seen by R... >>> Automatic conversion of a numpy object: >>> >>> rlen = robjects.r['length'] >>> print(rlen(gladj)) >>> >>> >>> You are otherwise giving a *string* to be evaluated as R code >>> (and R not looking into the python namespace when trying resolve a symbol). >>> More on evaluating strings here: >>> http://rpy.sourceforge.net/rpy2/doc/html/robjects.html?highlight=r_repr#strings-as-r-code >>> >>>> thank you, >>>> simone >>>> >>>> 2009/1/14 Laurent Gautier <lgaut...@gmail.com>: >>>>> Simone Gabbriellini wrote: >>>>>> yes, like that... >>>>>> >>>>>> but simply importing: >>>>>> >>>>>> Import rpy2.robjects.numpy2ri >>>>>> >>>>>> when I do: >>>>>> >>>>>> g1adj = numpy.array(g1adj) >>>>>> >>>>>> robjects.r('QAPset[1,,]<-g1adj') >>>>> R has no way to know your Python variable called "gladj" unless you >>>>> indicate >>>>> it. >>>>> >>>>> print(robjects.r('ls()')) >>>>> should confirm that there is no variable 'gladj' in your globalEnv. >>>>> >>>>> >>>>>> it says: >>>>>> >>>>>> Error in eval(expr, envir, enclos) : object "g1adj" not found... >>>>> The error message above is correct, I think. >>>>> >>>>>> while >>>>>> in the docs it says that: >>>>>> "That import alone is sufficient to switch an automatic conversion of >>>>>> numpy objects into rpy2 objects." >>>>>> >>>>>> should I do something else? >>>>>> >>>>>> thank you, >>>>>> simone >>>>>> >>>>>> 2009/1/14 Laurent Gautier <lgaut...@gmail.com>: >>>>>>> Something like this >>>>>>> http://rpy.sourceforge.net/rpy2/doc/html/numpy.html?highlight=numpy >>>>>>> ? >>>>>>> >>>>>>> >>>>>>> >>>>>>> Simone Gabbriellini wrote: >>>>>>>> dear List, >>>>>>>> >>>>>>>> is it possible to pass a matrix I've built in python to R via rpy2? >>>>>>>> >>>>>>>> I'm sure I'm blind, but I cannot find example about how to pass object >>>>>>>> from python to r, while I see how to pass object from r to python... >>>>>>>> >>>>>>>> best regards, >>>>>>>> Simone Gabbriellini >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> ------------------------------------------------------------------------------ >>>>>>>> This SF.net email is sponsored by: >>>>>>>> SourcForge Community >>>>>>>> SourceForge wants to tell your story. >>>>>>>> http://p.sf.net/sfu/sf-spreadtheword >>>>>>>> _______________________________________________ >>>>>>>> rpy-list mailing list >>>>>>>> rpy-list@lists.sourceforge.net >>>>>>>> https://lists.sourceforge.net/lists/listinfo/rpy-list >>>>>> >>>>>> ------------------------------------------------------------------------------ >>>>>> This SF.net email is sponsored by: >>>>>> SourcForge Community >>>>>> SourceForge wants to tell your story. >>>>>> http://p.sf.net/sfu/sf-spreadtheword >>>>>> _______________________________________________ >>>>>> rpy-list mailing list >>>>>> rpy-list@lists.sourceforge.net >>>>>> https://lists.sourceforge.net/lists/listinfo/rpy-list >>> > > ------------------------------------------------------------------------------ > This SF.net email is sponsored by: > SourcForge Community > SourceForge wants to tell your story. > http://p.sf.net/sfu/sf-spreadtheword > _______________________________________________ > rpy-list mailing list > rpy-list@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/rpy-list ------------------------------------------------------------------------------ This SF.net email is sponsored by: SourcForge Community SourceForge wants to tell your story. http://p.sf.net/sfu/sf-spreadtheword _______________________________________________ rpy-list mailing list rpy-list@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/rpy-list
