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RE: st: RE: replace missing values in different waves


From   "kantor.d@att.net" <kantor.d@att.net>
To   <statalist@hsphsun2.harvard.edu>
Subject   RE: st: RE: replace missing values in different waves
Date   Tue, 25 Dec 2012 19:14:48 -0800 (PST)

Try -carryforward- freom SSC. Use it witha -by personnumber:- prefix.

Sent with Verizon Mobile Email


---Original Message---
From: statalist@hsphsun2.harvard.edu
Sent: 12/25/2012 9:53 pm
To: statalist@hsphsun2.harvard.edu
Subject: st: RE: replace missing values in different waves

my dataset looks like this:


personnumber    Gender   different other variables
100             1
100             .
100             .
101             2
101             2
101             .
102             2
102             .
102             .

for each person i have 3 waves in the dataset. now i want to replace the missing values (.) in with the value of the first wave. (e.g. 1 for person 100, 2 for person 101, 2 for person 3).
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