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st: non-linearities in ml
From
Ishani Tewari <ishani.tewari@gmail.com>
To
statalist <statalist@hsphsun2.harvard.edu>
Subject
st: non-linearities in ml
Date
Tue, 30 Jul 2013 22:21:48 -0400
Dear all,
I need to estimate a logit where the parameters (beta1,beta2,beta3)
enter very non-linearly:.
lnf=ln(invlogit((X1^beta1')*(`beta2*X2+`beta3'*log(`beta3'/X1)))) if y1==1
lnf=ln(invlogit(-(X1^beta1')*(`beta2*X2+`beta3'*log(`beta3'/X1)))) if y1==0
Can I (should I) still use the "lf" model?
thnks
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