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Dear Professer Michiel,

Thank you very much for your suggestions.

I have been running Script 2 for one week. The d-error decrease form 1.78981 to 1.081167 after 2137345 evaluation within first two days. Since then, there have been no further updates on the output.

Does this indicate that the ...

Dear Ngene team,

I want to conduct an efficient design with interaction between contextual variables and alternative specific variables.

I get some questions about pilot survey.

(1) Which one is better? Use orthogonal design or efficient design with 0 for prior parameter.
(2) Can orthogonal ...