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Dear Michiel

Thank you for previous suggestions and aids to resolve my doubts,
now I get my priors, and I´m doing my design in the Ngene software, and I´m using the following code:

Design
;alts = A, B, C
;rows = 24
;block = 4
;eff = (mnl,d)
;model:
U(A) = b1[0] + b2[0.06] * A[10,25,50,75] + b3 ...

Thank you, I was reading about this in the book Applied Choice Analysis, and I can see that they use -1 instead of zero, and they use -1 in one of the alternatives for all levels. It is the same, use code effect in all levels for one alternative, although my design is unlabelled?

In another hand ...

Dear Prof.Michiel Blimer,

I did a pilot study; my size sample is 108 (18 respondents who answered six choice task). Now I am trying to estimate the prior in Nlogit through of multinomial logit. But I have a problem; two of my four attributes are variable dummy with four-level each one. So, when I ...