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Hi Michiel,

Thanks for the reply. I'm not sure how to attach the csv file for you to review.

Below is the output from one of the iterations from the Ngene syntax after running it for a couple of hours. I'm not sure what to make of the s-estimate as it is so large.

MNL efficiency measures ...

Hi all,

I am conducing an unlabelled experiment with two alternatives, 8 attributes (A-H) and 2-4 levels per attribute. These are all categorical variables that I have dummy coded. I also have a scenario with interaction terms associated with different attribute levels. I have conducted my pilot ...

Dear Michiel,

This is a question re:partial profile generator.

When copying the candidate set into a new spreadsheet, what is the correct way of naming the attribute levels. Currently the output is "alt1.x1", in my case would this translate to "service1.A". I am trying to determine what might be ...

Dear Michiel,

I have created the partial profile candidature set as you have suggested with the addition of attribute 9 after using the generator.

I am limiting my design to overlap three attributes and have done so after creating the original cadidature set (I have approximately 1100 ...

Hi Michiel,

I wonder if you will be able to comment on my use of your partial profile candidate set generator. I have now added the attribute for Nrchildren to act as the scenario. Should I include this scenario in the generator excel spreadsheet?

Currently I have 8 attributes, including the ...

Dear Michiel,

Thank you for your response.

1. I have attempted to use the reject command instead of the require command for other constraints. Could I please have some guidance to see if this is correct?

;reject:
service1.Birthplace=0 and service2.Birthplace=1, ?Reject Service 1 = Homebirth and ...

Dear Michiel,

Thank you for your assistance with my syntax in Ngene. I have attempted to add interactions with the attributes that I believe will affect sensitivity, as well as adding a few more restricions. I am receiving error messages for incompatibl elements.

Any help is greatly appreciated ...

Hi Michiel,

Thanks again for the response, I had not updated my script with the scenario embedded. Like you mentioned I attempted to include children[children] which did not work.

?Attempt 16 - including scenario interaction with no.of children

design

;alts = service1* , service2*
;rows = 60 ...

Dear Michiel,

In regards to my utility function, it has been suggested to me to incorporate N/A attribute levels for Duration and SP_after_birth and "add restriction-only applicable for home birth and put 0 utility to it". This will be applicable only for the design stage and when it comes to ...

I have now created a spreadsheet that creates a candidate set with overlapping attribute levels, which is what is needed for a partial profile design.

In the spreadsheet you put in the levels for each attribute and the number of attributes you want to overlap. Note that this number is treated as a ...