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Re: st: Create the count of occurances in a panel


From   "Svend Juul" <SJ@SOCI.AU.DK>
To   <statalist@hsphsun2.harvard.edu>
Subject   Re: st: Create the count of occurances in a panel
Date   Fri, 22 Apr 2005 09:43:47 +0200

Ying,
 
Is this what you are looking for?:
---------------------------------
clear
input id
4001
4001
4001
4002
4002
4003
4003
4003
4003
4004
4004
4004
4008
4172
4172
end
 
bysort id: generate nobs=_n
bysort id: generate totobs=_N
list
------------------------------
 
Good luck,
Svend
________________________________________________________ 
 
Svend Juul
Institut for Folkesundhed, Afdeling for Epidemiologi
(Institute of Public Health, Department of Epidemiology)
Vennelyst Boulevard 6 
DK-8000 Aarhus C,  Denmark 
Phone, work:  +45 8942 6090 
Phone, home:  +45 8693 7796 
Fax:          +45 8613 1580 
E-mail:       sj@soci.au.dk 
_________________________________________________________ 

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