[Limdep Nlogit List] parameter constraints
Twan Huybers
T.Huybers at adfa.edu.au
Fri Oct 30 13:23:19 EST 2009
Hi all,
I have a question that seems to be so simple but I can't work out what
the problem is. I am doing a straightforward regression analysis in
which I want to include parameter constraints - see below. Following
the Limdep reference guide (R11-1) I use the 'rst' command to restrict
the first two parameters to be equal but the output shows me the
identical results as the non-constrained model. I get no error message;
somehow the command does not seem to be recognised.
Any suggestions?
Thanks,
Twan
sample;all$
INCLUDE;
new;
origin=10$
REGRESS;
Lhs=xxpp;
Rhs=
arts,enter,event,food,nat,relax,sport,
qantas,hertz,_3nights,acc3sta,valta,
bangkok,hunter,margriv,nz,yarra,syd,melb,
exp3sta,valexp;
rst =
b1,b1,b2,b3,b4,b5,b6,b7,b8,b9,b10,b11,b12,b13,b14,b15,b16,b17,b18,b19,b2
0;
matrix$
Dr Twan Huybers
Senior Lecturer, School of Business, University of New South Wales
Australian Defence Force Academy
Canberra ACT 2600, Australia
Tel: +61 2 6268 8075 | Fax: +61 2 6268 8450 | Email:
t.huybers at adfa.edu.au <mailto:t.huybers at adfa.edu.au>
http://www.unsw.adfa.edu.au/sbus/staff_bios/huybers_twan.html
<http://www.unsw.adfa.edu.au/sbus/staff_bios/huybers_twan.html>
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