Thanks everybody!
Using the package *sampling *, for another aproach:
> population
0-100 100-250 250+
Região 1 9 18 16
Região 2 33 25 27
Região 3 21 19 17
Região 4 25 22 19
Região 5 40 39 19
Região 6 77 45 29
> sample_design <- srswor(3,6)
> data_sampled <- getdata(population, sample_design)
> data_sampled
ID_unit 0-100 100-250 250+
Região 4 4 25 22 19
Região 5 5 40 39 19
Região 6 6 77 45 29
--
Raphael Saldanha
UFJF - BRAZIL
[EMAIL PROTECTED]
Groucho Marx - "A hospital bed is a parked taxi with the meter running."
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