[R] speeding up functions for large datasets
Freja.Vamborg at astrazeneca.com
Fri Aug 6 09:38:04 CEST 2004
I'm dealing with large datasets, say tables of 60 000 times 12 or so, and
some of the functions are (too ) slow and I'm therefore trying to find ways
to speed them up.
I've found that for instance for-loops are slow in R (both by testing and by
searching through mail archives etc )
Are there any more well known arguments that are slow in R, ,maybe at data
representation level, code-writing, reading in the data.
I've also tried incorporating C-code, which works well, but I'd also like to
find other, maybe more "shortcut" ways.
Thanks in advance,
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