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Re: st: random split


From   Rafal Raciborski <rraciborski@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: random split
Date   Sun, 12 Apr 2009 16:54:47 -0400

gen split = runiform()>.33

or a variation thereof to make sure you have exactly a third of
observations in the desired group




On Sun, Apr 12, 2009 at 4:48 PM, Galina Hayes <galina@uoguelph.ca> wrote:
> Hello everyone,
> I want to randomly split a data set of 800 or so observations into two groups, with 1/3rd of observations in the first group and 2/3rds in the second group, and am blanking on how to do this. Can anyone help?
> Thanks,
> Galina
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