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Re: st: Drop subjects from a panel


From   Klaus Pforr <kpforr@googlemail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Drop subjects from a panel
Date   Wed, 08 Feb 2012 21:52:11 +0100

<>

Hello Ayman,

try
<drop if covariate==0 & time==2>

best

Klaus

Am 08.02.2012 21:36, schrieb Ayman Farahat:
Hello ;

  I have a panel data. I would like to remove all subjects that had a certain co-variate at a specific time.

For example, drop all subjects that had a covariate==0 for time==2.
Any help greatly appreciated.

Thanks
Ayman


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Klaus Pforr
MZES AB - A
Universität Mannheim
D - 68131 Mannheim
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