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Hello Prof ! We got data from 100 people pilot study, so next step was to find out the parameters to use them in the equation for finding the correct sample size required for main study.
For reaching there, I used the mnl model equation on this data as :
mlogit choice i.AttribA i.AttribB i.AttribC ...

Thanks for the guidance Professor ! I could succesfully run the DCE for pilot and get a d-error of 0.15 which I hope is acceptable.
1) Is there any good way to check if any of my 48 choice tasks from this matrix I imported to SE from NGene , have got any dominant alternatives at all? Or would there ...

Thank you.That helped !

Thank you, I have checked with Svy Engine, they said it should not be a problem, just to treat the variable codes later during estimation phase matching with how its coded in dictionary.
We have a doubt with the three constraints in my code, where I stated that if the speed is slow then price ...

Thank you, that was very helpful. I am trying to look for resources to add such an extra choice task in SEngine.
As I was checking the ''dictionary''section of survey engine , I noticed that all my variables are coded as 1, 2, 3, 4.... and ''Yes'' is coded as 2 and ''no'' as 1. Even for those choice ...

Thank you for the response. It indeed cleared all my listed doubts.
I have a question though, because now I am faced with the decision to choose my design for pilot between these 3 options ( and I am stating the problem in its respective bracket):
a) default swap algorithm with zero priors and ...

Good Afternoon,
I have a subscription of both NGENE and Survey Engine. Ideally I wanted to design my DCE in ngene first and then import the xl-template to Survey engine. Please look at my ngene commands below:

design
;alts = opt1*, opt2*
;eff = (mnl, d)
;alg = swap
;rows = 42
;block = 6
;cond ...

Hello Good Afternoon,
I have these few doubts:

1) When we compare two alternatives (unlabelled in this case, and one alternative we know is an existing tech, say Heating boiler and another one is a new future upcoming tech whose WTP we need to find before releasing in market) ....can we not add up ...

Is there any rule about number of blocks? And choice tasks? For example if we have 24 rows it could be either 8 tasks each across 3 blocks or 12 across 2 blocks.

How is the number of parameters 8 here and not 11 or 6 (i.e. b1....b6)? Could you please explain how parameters are calculated?