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dfnew
2012 Jun 28
3
loop through and modify multiple data frames
Hi
Newbie question:
I have a set of data frames that I want to do the same calculations on each.
I've found out that I can put them in a list and loop through the list
to do the calculation, but not put the results back into each
data.frame..
For example three data frames cats, dogs, birds
where >cats
name eats_kg
1 bob 3
2 garfield 4
3 chuck 6
and dogs and birds are similar but not