On Friday 16 November 2007, Peter Dalgaard wrote:
> [...]
>
> Or even (from someone who have known about combn for a while)
>
> > combn(LETTERS[1:7], 2, paste, collapse="")
>
> [1] "AB" "AC" "AD" "AE" "AF" "AG" "BC" "BD" "BE" "BF" "BG" "CD" "CE"
> "CF" "CG"
> [16] "DE" "DF" "DG" "EF" "EG" "FG"
Chapeau...
Adrian
--
Adrian Dusa
Romanian Social Data Archive
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050025 Bucharest sector 5
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