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st: random split


From   Galina Hayes <galina@uoguelph.ca>
To   statalist <statalist@hsphsun2.harvard.edu>
Subject   st: random split
Date   Sun, 12 Apr 2009 16:48:54 -0400 (EDT)

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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