Hi,

paste(rep(LETTERS[1:3], each=3), rep(1:3, 3), sep="")


-- 
Henrique Dallazuanna
Curitiba-Paraná-Brasil
25° 25' 40" S 49° 16' 22" O

On 04/09/07, Dennis Fisher <fisher@plessthan.com> wrote:
>
> Colleagues,
>
> I want to create the following array:
>         "A1", "A2", "A3", "B1", "B2", "B3", "C1", "C2", "C3"
>
> I recall that there is a trick using "c" or "paste" permitting me to
> form all combinations of c("A", "B", "C") and 1:3.  But, I can't
> recall the trick.
>
> Dennis
>
>
> Dennis Fisher MD
> P < (The "P Less Than" Company)
> Phone: 1-866-PLessThan (1-866-753-7784)
> Fax: 1-415-564-2220
> www.PLessThan.com
>
>
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>
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> http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.
>

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