[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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