f reading the help file for the function that does what I think you
> want is not helpful enough, you'll have to seek elsewhere. I expect
> some minimal learning effort.
>
> (?table means type this at the prompt in the GUI).
>
> -- Bert
>
> On Tue, Apr 3, 2012 at 1
Hi,
I have a query which I would like to translate into R, but I do not know how to
do it in an easy way.
Assume a data frame has columns A, B and C:
A B C
1 1 3
1 1 4
1 1 5
1 2 6
1 2 7
1 3 8
The query is as fol
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