[R] SUM,COUNT,AVG

[Gabor Grothendieck]

I gather you have an SQL background since those are SQL functions.
Check out the sqldf R package and the many examples on the home
page:

http://sqldf.googlecode.com

and in ?sqldf

That may ease the transition from SQL to R.

On Mon, Apr 6, 2009 at 5:37 AM, calpeda <mauro.biasolo at calpeda.it> wrote:
>
> Hi,
> I ve been searching a lot in internet..but I can t find a solution
> Attached, you find a file.
> I need for each (Materiale, tpdv, UM) to find sum,avg and count
> My idea was to aggregate for the 3 parameters ..but I don t know how to get
> the numeric value (SUM,COUNT,AVG) I need.
> Can you help me?
> thank you
>
> http://www.nabble.com/file/p22905322/ordini2008_ex.txt ordini2008_ex.txt
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