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st: How to (almost) randomly reduce the number of observations?
From
Dimitrije Tišma <[email protected]>
To
[email protected]
Subject
st: How to (almost) randomly reduce the number of observations?
Date
Mon, 19 Apr 2010 22:30:31 +0200
Hi,
I would like to ask how to reduce number of observations randomly BUT
in a way that all observations are kept that are related to the person
who still in the dataset. Thanks!
Dimitrije
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