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Thx Sir.

I'm travellong at the moment once back i'll look with more attentition to your reply.

Just to add another detail, becasue in the previous message i did'n explain the reason of my question.
For each scenario i ask people to rank options from 1 to 4 in order to know they're preference.
In ...

Hi people, i'm trying to create an eff design;
The codex is the following:

Design
;alts= HVR,EG,ST,NM
;rows=15
;block=3
;con
;eff=(mnl,d)
;cond:
if(EG.C&PCCEG = 0, EG.WTHDEG >0 and EG.CCHDEG =[3,5,8]),
if(EG.C&PCCEG > 0, EG.WTHDEG =0 and EG.CCHDEG =0),
if(EG.CCHDEG = 0, EG.WTHDEG =0 and EG.C ...

Good afternoon Johnr, first of all thx so much for your kindly attention.
Currently i'm evaluating the functions using "reject", but surely i will follow also your post.

Best regards

Mark

Hi everybody, as a newbie i'm a little bit confused.
I'm trying to design this "mnl-eff" for a pilot, analyzing 4 differnet options.
Problems arrived with EG and ST utilities.
In this two options i need some "constraints", within the choice model attributes ACCPP and WTCCEG[/b can co-exist and when ...