[R] breaking up n object into random groups
Bert Gunter
gunter.berton at gene.com
Fri Dec 2 16:28:15 CET 2011
There are a million ways to do this, probably.
brks <- c(1,sort(sample(seq_len(99),3)),100) ## 4 random groups
and then use brks as the breaks parameter in cut() with include.lowest = TRUE
?cut
-- Bert
On Fri, Dec 2, 2011 at 7:09 AM, statfan <irene_vrbik at hotmail.com> wrote:
> say n = 100
> I want to partition this into 4 random groups wheren n1 + n2 + n3 + n4 = n
> and ni is the number of elements in group i.
>
> Thank you for you help
>
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--
Bert Gunter
Genentech Nonclinical Biostatistics
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