On Apr 20, 2011, at 7:30 PM, Rujealous wrote:

the plan is

i have to create a column with random numbers from 1 to 5 forming a vector
with 200 numbers.
these numbers should have the same proportion, like 40 "1", 40 ''2'', etc.

So you really want a random permutation of a fixed set of 200 numbers:

sample( rep(1:5,40), 200)

--

David Winsemius, MD
West Hartford, CT

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