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st: about qvf
From
Arina Viseth <[email protected]>
To
[email protected]
Subject
st: about qvf
Date
Wed, 31 Mar 2010 12:33:37 -0400 (EDT)
Dear Statalist,
I am using glm to run a fractional logit regression: the command I am using is, glm y x1 x2 x3, family(binominal) link(logit) robust. y is my fractional dependant variable.
I would like to control for the possible endogeneity of one of my regressor, x1, using qvf and instrumental variable t1. However when I type qvf y x1 x2 x3 (t1 x2 x3), I have the message "y not 0/1 for Bernoulli model".
May I please ask for your help/suggestion on what I am doing wrong here?
Many thanks in advance,
Arina
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