[R] aggregate with cumsum

stephenb Stephen.Bond at cibc.com
Fri Feb 25 16:16:01 CET 2011


Bill,

what will be the fastest way to output not just single lines but small data
frames of about 60 rows?

I prefer writing to a text file because the final output is large 47k times
60 rows and since I do not know the size of it I have to use rbind to build
the object which creates the memory problems described here:

http://www.matthewckeller.com/html/memory.html

look at the swiss cheese paragraph.

kind regards
Stephen
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