On Sep 18, 2009, at 7:38 PM, Mark Knecht 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.


You could pass <it>'s name as a string and then when it arrived at the destination, ... get() it:

?get

--
David Winsemius, MD
Heritage Laboratories
West Hartford, CT

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