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Thank you very much Michiel!

Dear all,
I've generated the following efficient design. I don't know the priors but I know the sign so I put a small number as priors:

Design
;alts=SQ, alt2, alt3
;rows=10
;eff=(mnl,d)
;model:
U(SQ) = b1[-0.0001] * TAX[109] + b2[0.0001] * PROD[60] + b3[0.0001] * PER[100] + b4[0.0001] * CHIL[100 ...

I am generating an efficient design to conduct a pilot study. As the signs are partly known, I've used an efficient design with small positive/negative values.
The problem is that Ngene is running since Monday, and after 4 days it's still running. However, if I click on the last iteration, I get my ...

Hi all,
I am starting to use Ngene for the first time. First, I am trying to generating full factorial design. I have two alternatives with 4 attributes. All attributes have 4 levels, except one (5 levels). When I run, I can't open the design (I get the message "An unhandled exception has occured ...

Hi all,
I'm quite new to choice experiments, that's the reason for my question.
I am designing a choice experiment, and my idea is to include 3 alternatives (one is the status quo) in each choice task.
I was thinking if it make sense to do in this way: one alternative is the status quo, one ...

Dear all,
I am new with choice experiments so probably my question will sound silly but I have this doubt.
I have noticed that, when a status quo is included in a choice experiments, the levels of the attributes of the alternatives (so NOT the status quo) are in most cases either all greater or all ...