Amelia of Aukland writes:
> Suppose instead of having above dataframe having single data for
> variable 1 and variable 2, I have following data as
>
> variable_1 variable_2
>
> 10 20
> 40 30
> 3 11
And so you do:
foo <- data.frame(variable_1=c(10,40,3), variable_2=c(20,30,11))
> I need to run the function 'fun' for each pair of values taken by
> variable_1 and variable_2 separately. Also, the results (= 30, 70
> and 14) obtained for each of above pairs should be stored in
> different csv files, say "ans1.csv", "ans2.csv" and "ans3.csv"
> respectively which I can use for further analysis. (In reality each
> of these output files will consists of 1000 records).
No function is necessary, though apply() would work as has been pointed
out.
foo$answer <- foo$variable_1 + foo$variable_2
Writing to a csv is another matter--
write.csv(foo, 'foo.csv')
--
Curt Seeliger, Data Ranger
Raytheon Information Services - Contractor to ORD
seeliger.c...@epa.gov
541/754-4638
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