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Hi Michiel,

Thank you very much for your reply, which helps me a lot.

Regarding your second comment, b105 represents the cost parameter.

In alt1, the cost levels are defined as "pvco[0.3,0.6,0.9] * attrf * co[0.55]".
In alt2, the cost contains two parts: "pvco[0.3,0.6,0.9] * attrf * co * ratio1 ...

Hi Michiel,

Thank you for your guidance! Below is the script for my experiment, where I am generating a pivot efficient design. I still have a few questions:

1. attrf is the a reference attribute ranging from 15 to 60. I use pvattrf1 to pvattrf4 as pivot factors for this attribute. For ...

Hi ChoiceMetrics team,

I have a few questions regarding experiment design in Ngene:

1. While developing an efficient experiment design, I generated preliminary estimated choice probabilities for each alternative. After averaging across 36 situations, the probabilities for alt1, alt2, and alt3 are ...