Search found 3 matches

by svenga
Mon Nov 11, 2013 2:05 am
Forum: Support for Ngene Desktop (v1.x)
Topic: 2 or more covariates - howto?
Replies: 1
Views: 6960

2 or more covariates - howto?

dear all,

i am trying to find a d-efficient design for a study set-up with several covariates known upfront. unfortunately i am not able to find a design that suits... even with a very simple dummy-example ngene would not find a design... anyone able to locate the problem with the code below ...
by svenga
Tue Nov 05, 2013 7:00 am
Forum: Support for Ngene Desktop (v1.x)
Topic: combination of scenario-variables, covariates and model-avg.
Replies: 3
Views: 10928

Re: combination of scenario-variables, covariates and model-

Dear Michiel,

thank you very much for your help a couple of weeks ago!! We have conducted a small pre-study now to obtain some priors and I am now trying to find a design for the main study. I have dropped the idea of model averaging in the first place, but now I am having two other questions:

1 ...
by svenga
Fri Aug 23, 2013 7:22 pm
Forum: Support for Ngene Desktop (v1.x)
Topic: combination of scenario-variables, covariates and model-avg.
Replies: 3
Views: 10928

combination of scenario-variables, covariates and model-avg.

Dear Choice-Metric team,

first of all thank you for providing such an excellent tool and manual! It is just extremely valuable for a researcher like myself, with no previous practical experience with the DCE method!

Some background:
We would like to conduct a stated preference DCE study in the ...