Search found 3 matches

by Carla_B
Mon Feb 15, 2021 7:27 pm
Forum: Support for Ngene Desktop (v1.x)
Topic: No Valid design due to potential misspecifications
Replies: 3
Views: 8624

Re: No Valid design due to potential misspecifications

Dear Michiel,

Thank you very much for your answer. Your syntax works indeed. That's really helpful.

Have a nice day,

Carla
by Carla_B
Sat Feb 13, 2021 1:11 am
Forum: Support for Ngene Desktop (v1.x)
Topic: No Valid design due to potential misspecifications
Replies: 3
Views: 8624

Re: No Valid design due to potential misspecifications

Hi all,

As a follow up from my previous message, It looks like the problem comes from specifying the utility of the reference alternative (all attribute levels known). If I don't include a utility function for alt3 but instead include the corresponding constant in alt1 and alt2, then NGene ...
by Carla_B
Thu Feb 11, 2021 11:39 pm
Forum: Support for Ngene Desktop (v1.x)
Topic: No Valid design due to potential misspecifications
Replies: 3
Views: 8624

No Valid design due to potential misspecifications

Dear all,

I am still learning about CE and I would like to have your insights into a problem I am facing.

I am trying to make a D-efficient (before making a Bayesian efficient one) for a CE presenting 3 varieties alternatives to farmers: 2 hypothetical varieties (alt1 and alt2) and 1 reference ...