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duplicates drop siren
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HTH
Martin
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Von: [email protected]
[mailto:[email protected]] Im Auftrag von
[email protected]
Gesendet: Samstag, 21. Februar 2009 23:03
An: [email protected]
Betreff: st: how to drop repeated observations?
Hello,
I'm new in using Stata and I have a dataset with french
firms'immatriculation numbers (this variable is called siren). I would
like to drop observations when the same siren appears for the second, the
third...time, but I don't achieve to do that.
Thank you very much for your help.
Yours sincerly,
Isabelle Roux
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