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st: how to handle missing observations in a regression model


From   "Simo Hansen" <simohansen@gmail.com>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: how to handle missing observations in a regression model
Date   Tue, 5 Sep 2006 11:32:04 +0300

Dear All;
I am using moter's years of schooling and father's years of schooling as
explanatory variables in my regression model. I also creata a dummy
indicators for whether mother's and father's years of schooling are missing,
respectively:
gen misdaded=dadedec==.
gen mismoted=moteduc==.
When I run the following regression:
reg childedyrs dadeduc moteduc misdaded mismoted, 
Stata drops two dummy indicators for whether parents' schooling is missing.
Do you have any suggestion on how I can properly control for whether
mother's and father's years of schooling are missing in my regression model.

Thank you very much for kind help.

Simo 

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