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Hi all,
I have the same problem than tn73, that is Ngene does not take into account the constraints I specify (though it is not stated that there is an error).

Design
;alts=alt1*, alt2*, alt3*
;rows=18
;block=2
;eff=(mnl,d)

;Model:
U(alt1)= b0 +
b1.dummy[3|2]*zone1[1,2,0] +
b2.dummy[3|2]*zone2[1,2 ...

Hi John,
Thank you for this quick answer, it helps me a lot.
Gilou

Hello all,
I have some issues about correctly specifying dummy coding for a Random parameters model, with either bayesian or fixed priors.

Without specifying the dummy coding, the basic of my design (for the case of bayesian priors) is the following :

Design
;alts(M1)=alt1*,alt2*,alt3*
;rows=16 ...