It depends on what do you want to replace the missing values with.
Check the following FAQ:
http://www.stata.com/support/faqs/data/missing.html
You can also try:
-mvencode-
-inpute-
Rafa
----- Original Message -----
From: "Devendra Amre" <[email protected]>
To: <[email protected]>
Sent: Friday, February 20, 2004 2:24 PM
Subject: re: st: panel data
> Hi,
> I have a longitudinal (panel) data set with variables that are constant
over
> time (e.g. gender). Some of the entries for an individual are missing
> (actually not entered) and I wish to fill in these missing entries.
>
> ID Gender Year
> 1 M 1991
> 1 . 1992
> 1 . 1993
> 1 M 1994
> 2 . 1988
> 2 F 1989
> 2 . 1990
> 2 . 1991
>
> Can you suggest a way to fill in these missing entries?
> Many thanks in advance.
>
> Devendra Amre MBBS., Ph.D.
> Assistant Research Professor/Chercheur Adjoint
> Epidemiology/Dept of Pediatrics
> Sainte Justine Hospital
>
> 3175, Cote Sainte Catherine
> Montreal-Canada H3T 1C5
> Voice: 514 345 4931 extn 3599
> Fax: 514 345 4801
> [email protected]
>
>
> *
> * For searches and help try:
> * http://www.stata.com/support/faqs/res/findit.html
> * http://www.stata.com/support/statalist/faq
> * http://www.ats.ucla.edu/stat/stata/
>
*
* For searches and help try:
* http://www.stata.com/support/faqs/res/findit.html
* http://www.stata.com/support/statalist/faq
* http://www.ats.ucla.edu/stat/stata/
