[R] Any concept of 'by reference' or 'address of' in R?

[Gabor Grothendieck]

You can use R environments or proto objects from the proto package
(http://r-proto.googlecode.com) which are environments with additional
oo support using the prototype model) or the oo.R package which is similar
but uses a more conventional oo model.

On Fri, Sep 18, 2009 at 7:38 PM, Mark Knecht <markknecht at gmail.com> wrote:
> Hi,
>   Is there a way to pass the address of a data.frame through a set of
> functions in R? I've got some code which is slowing down I think
> because my data.frames are getting much larger - now approaching 1
> million rows by 50-100 columns - and my functions - originally written
> for much smaller data elements are sampling these data.frames a couple
> of layers down.
>
>   Before I rewrite them to do the sampling at the top level if there
> was a way to pass the address of the data.frame instead of the a copy
> of the whole thing then I suspect that would speed things up
> significantly.
>
> Thanks,
> Mark
>
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