[Limdep Nlogit List] random parameters logit
Marjolein Maria Juliette Harmsen-van Hout
Marjolein.harmsen at rwth-aachen.de
Fri Sep 17 19:24:05 EST 2010
Dear all,
As I did not receive any reply to my previous message, I hereby send it once more. If you need more information, please notify me. Thanks!
On 25/08/10, "Marjolein Maria Juliette Harmsen-van Hout" <Marjolein.harmsen at rwth-aachen.de> wrote:
> > Dear all,
> >
> > I encountered the following puzzle with my dataset:
> >
> > NLOGIT;
> > Lhs=CHOICE,CSET,ALT;
> > Rhs=VAR1;
> > Pds=PER;
> > Rpl=VAR2;
> > Fcn=VAR1(N);
> > Halton;Pts=20$
> >
> > leads to Error 1027: Models - estimated variance matrix of estimates is singular, whereas:
> >
> > CREA;VAR1_VAR2=VAR1*VAR2$
> > NLOGIT;
> > Lhs=CHOICE,CSET,ALT;
> > Rhs=VAR1,VAR1_VAR2;
> > Pds=PER;
> > Rpl;
> > Fcn=VAR1(N);
> > Halton;Pts=20$
> >
> > provides normal estimations. Does anybody have an idea how this could be possible?
> >
> > Thanks in advance for your reaction!
> >
> > Kind regards,
> > ____________________________________________________________
> >
> > Dr. drs. Marjolein Harmsen - van Hout
> > Post-doctoral researcher
> >
> > Tel.: +49 241 80 49835
> > Fax: +49 241 80 49829
> > E-mail: mharmsen at eonerc.rwth-aachen.de
> > Website: www.eonerc.rwth-aachen.de
> >
> > Lehrstuhl für Wirtschaftswissenschaften, insb. Energieökonomik
> > Institute for Future Energy Consumer Needs and Behavior (FCN)
> > E.ON Energy Research Center (E.ON ERC)
> > RWTH Aachen University
> > Mathieustraße 6, D-52074 Aachen
> > Germany
> > ____________________________________________________________
--
____________________________________________________________
Dr. drs. Marjolein Harmsen - van Hout
Post-doctoral researcher
Tel.: +49 241 80 49835
Fax: +49 241 80 49829
E-mail: mharmsen at eonerc.rwth-aachen.de
Website: www.eonerc.rwth-aachen.de
Lehrstuhl für Wirtschaftswissenschaften, insb. Energieökonomik
Institute for Future Energy Consumer Needs and Behavior (FCN)
E.ON Energy Research Center (E.ON ERC)
RWTH Aachen University
Mathieustraße 6, D-52074 Aachen
Germany
____________________________________________________________
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