Mh, this is interesting:
dataf = r['[<-'](dataf, 'newcol', R.IntVector([1,2,3]))
=> Error in `[<-.data.frame`(list(a = 1:3, b = 4:6, mm = 1:3), "mm", 1:3) :
argument "value" is missing, with no default
(Same for '[[<-')
dataf = r['$<-'](dataf, 'newcol', R.IntVector([1,2,3]))
=> OK
I think what is needed is a rx, rx2 equivalent for $. Is there
something like that in rpy2?
Regards
--
Carlos
On Tue, Aug 21, 2012 at 1:56 PM, Carlos Pita <[email protected]> wrote:
> Hi all,
>
>
>>> empty.rx2["New"] = [str(item) for item in range(len(empty.rownames))]
>>> RRuntimeError: Error in `[[<-.data.frame`(list(), "New", list("0", "1",
>>> "2",
> "3", "4", : argument "value" is missing, with no default
>>> Anything I'm doing wrong?
>
>> Not necessarily; I think that you are reaching less "battle-tested" corners
>> of rpy2
>
> Was this already fixed?
>
>> Try using R's cbind() (column-bind)
>
> Could you provide a simple example? Sorry I'm new to R and to rpy2 so
> I'm a little lost at this point.
>
> Regards
> --
> Carlos
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