Re: [Rpy] data.frame element extraction

[Laurent G. <lga...@gm...>]

On 1/17/11 12:25 AM, Carson Farmer wrote:
(...)
>>>> dataf2 = dataf.rx(-2)
> Which works fine, and produces a new data.frame as output
>>>> print dataf2
>    a
> 1 1
> 2 2
> 3 3
> However, if I now wanted to remove the last row for instance:
>>>> dataf3 = dataf2.rx(-3, True)
>>>> print dataf3
> [1] 1 2
> I no longer get a data.frame, but instead, I get an IntVector object.

That's R's default to "drop" dimensions.

dataf3 = dataf2.rx(-3, True, drop = False)

Should return you a data.frame.
I have wondered whether I should make drop = False the default.

(...)
>
> Rpy2 version 2.1.4

Latest in 2.1.x is 2.1.9.

> R version 2.12.1 (2010-12-16)
> Platform: x86_64-pc-linux-gnu (64-bit)
>


Best,


L.




> Cheers,
>
> Carson
>
>