Hi
r-help-boun...@r-project.org napsal dne 29.01.2009 07:52:37:
> Dear all,
>
> given the following data
>
> ## original data
> id <- c(1,1,1,2,2,3)
> author <- c("A","B","C","D","E","F")
> tmp <- data.frame(id,author)
> tmp
>
>
> > tmp
>id author
> 1 1 A
> 2 1 B
> 3 1
markle...@verizon.net schrieb:
Thanks Petr because I sent Bernd a solution offline but yours is MUCH
NICER. it's not worth showing you because it was pretty ugly.
Dear Mark & Petr,
Thank your very much! I like both solutions. Petr's is the more obvious
one but Mark's solution is good for
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