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Re: st: Dependent variable is a proportion

From   "SJ Friederich, Economics" <>
Subject   Re: st: Dependent variable is a proportion
Date   Wed, 12 May 2004 19:14:30 +0100

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,

--On 12 May 2004 18:56 +0100 TELHAJ Shqiponje <> 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!

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

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