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Thanks Michiel,

I have reviewed my model estimation, and I can confirm that the levels are consistent with those used in the Ngene design.
However, in the pilot design, I treated prices as dummy variables, following the code you provided. When estimating the model and treating prices as a ...

Hi Michiel,
Thank you so much for your response.

As per your suggestion, I ran the design using price as a continuous variable and imposed constraints. Additionally, I corrected the priors obtained from my pilot study. The updated code is as follows:


design
;alts= ecigdisp*, ecigrech*, cig ...

Hi Michiel,

I hope this message finds you well.

I recently ran the pilot study using the fixed design and obtained priors for my parameters. I am now considering generating a Bayesian D-efficient design for my experiment.

I am using Ngene and the code is the following:


design
;alts= ecigdisp ...

Hi Michiel,

I hope you're doing well. I wanted to apologize for the delay in getting back to you.

Thank you so much for your help in correcting the Ngene syntax for my pilot study. Your advice was incredibly helpful, and I truly appreciate the time you took to guide me.

Best regards,
Gabriel

Dear all,
I'm working on an experimental design for my thesis, which aims to understand the substitution of tobacco-related products. For this, I consider a labeled design with an opt-out option. The atributtes and levels are the following: https://www.dropbox.com/scl/fi/e8k42f5dce9ljb6klco3q ...