Re: st: Dependent variable is a proportion

["SJ Friederich, Economics" <S.Friederich@bristol.ac.uk>]

Discussions involving variables lying between 0 and 1 with possible 
clustering of values at either end occurred a number of times on the List. 
I'd suggest searching the archives.

Best wishes,
Sylvain


--On 12 May 2004 18:56 +0100 TELHAJ Shqiponje <S.Telhaj@staffs.ac.uk> wrote:


> 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
----------------------
Department of Economics, University of Bristol
8 Woodland Road
Bristol BS8 1TN

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