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Dear moderators,

Is there a particular order for the presentation of the levels of quantitative attributes, please ?

For instance, I have a price variable coded like this:
b7[(n , -0.00007, 0.00003)]*P[13000,10000,7000,5000,2500]

Is it wrong to write like this ?

Thank you in advance !

Thank you for your reply !

Hello,

First of all, thank you for your avaibility and your investment in this forum !

After a pre-test to determine the prior, I’ve ran several analyses implying mainly the MNL and MMNL models. With regards to the results some coefficients were not significant and few had wrong signs. I got ...

Hello,

And thank you for your answer.

I've applied your code and have begin the econometrics analysis for the priors estimations.

However I have some problems :
- Multicollinearity : I can't integrate all of the attributes because I got a singularity message error, it disappear when I exclude one ...

Hi John,

Thank you for your reply !

I've tried to follow all of your advices and got a new code. Could you tell me if it seems to be correct, please ? Especially the method used to set the levels of the status quo ?

Thank you a lot !!!


Design
;alts (M1) = OptionA*, OptionB*, sq
;alts (M2 ...

Dear all,

I am a new user of Ngene. I’ve read the manual and a lot of posts in the forum. However, I still have some interrogation about my experiment. It would be great to have your recommendations!

I’m actually creating an efficient design for a pilot study.

1) I just have the sign of the ...