[R] re ad.table

[calpeda]

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/p22905601/ordini2008_ex.txt ordini2008_ex.txt 
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