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st: construct new id variable


From   "Oleksandr Shepotylo" <shepotil@econ.umd.edu>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: construct new id variable
Date   Wed, 10 Sep 2003 16:49:06 -0400

Dear statalist users,

I have a survey data with following variables:

familyid  personid  inwork
001         01            0
001         02            1
001         03            0
001         04            1
002         01            1
002         02            0

    Inwork is indicator of labor force partisipation. I want to create
variable "inworkid" that will be 0 if inwork=0 and will give numbers 1, 2,3
etc otherwise. In my example:

familyid  personid  inwork  inworkid
001         01            0            0
001         02            1            1
001         03            0            0
001         04            1            2
002         01            1            1
002         02            0            0

How can this be done?

Thank you,

Oleksandr.




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