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st: Dependent variable is a proportion


From   "TELHAJ Shqiponje" <S.Telhaj@staffs.ac.uk>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: Dependent variable is a proportion
Date   Wed, 12 May 2004 18:56:24 +0100

Dear statalisters,

The dependent variable I have is a proportion (percentage of 16 year
olds enrolled in a particular subject) which is between 0 and 86
percent. I am not sure about the linear form. My dependent variable is 0
only in 3,980 cases out of 112,412 sample obs. Here a zero is a
structural one, because the school does not offer history (which is
choice subject). 

Would somebody suggest to me whether it would be better to perform a
logit transformation, or estimate -glm- with family(gaussian) and
link(logit). Any suggestion would be greatly appreciated!

Thank you in advance!

Shqiponja

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