Search found 11 matches

by Unisa
Tue Apr 24, 2018 10:21 am
Forum: Support for Ngene Desktop (v1.x)
Topic: SP experimental design with 9 attributes
Replies: 10
Views: 35023

Re: SP experimental design with 9 attributes

Thank you for your advises that's so help me a lot , the prior just based on assumption at the moment but i will try to do what you suggested. Again , I really appreciated your help and guidance.

Kind regards
Monita
by Unisa
Mon Apr 23, 2018 1:20 pm
Forum: Support for Ngene Desktop (v1.x)
Topic: SP experimental design with 9 attributes
Replies: 10
Views: 35023

Re: SP experimental design with 9 attributes

Good day , Prof .Bliemer
After did trials and then I renew it again then I obtained this syntax below , would you mind to have a look please ?, please let me know if this one not appropriate. Thanks you so much for your time .

MNL efficiency measures

D error 0.036529
A error 0.483499
B ...
by Unisa
Mon Apr 23, 2018 3:58 am
Forum: Support for Ngene Desktop (v1.x)
Topic: SP experimental design with 9 attributes
Replies: 10
Views: 35023

Re: SP experimental design with 9 attributes

Thank you so much for your guidance , it is so helpful.

Kind regards

Monita
by Unisa
Sat Apr 21, 2018 9:34 pm
Forum: Support for Ngene Desktop (v1.x)
Topic: SP experimental design with 9 attributes
Replies: 10
Views: 35023

Re: SP experimental design with 9 attributes

Prof. Bliemer

Thank you for information and help.
Can you give your thought, how about my syntax above ? May I using continues number [1,2,3,4] to replace the actual travel time [60,50,45,30] as I did in my current design. Is the syntax above not on the right track?
Please let me know what your ...
by Unisa
Fri Apr 20, 2018 3:26 pm
Forum: Support for Ngene Desktop (v1.x)
Topic: SP experimental design with 9 attributes
Replies: 10
Views: 35023

Re: SP experimental design with 9 attributes

Dear: Prof Bliemer and Ngene User

Hi, Prof Bliemer and Ngene user

I have two questions about my new design,

My First query is related to constants in the utility functions. In my syntax, I have not used constants as they didn’t influence the performance of my design. I would like your opinion ...
by Unisa
Mon Feb 12, 2018 2:26 pm
Forum: Support for Ngene Desktop (v1.x)
Topic: SP experimental design with 9 attributes
Replies: 10
Views: 35023

Re: SP experimental design with 9 attributes

Thank you Professor Bliemer for your responses.
by Unisa
Mon Feb 12, 2018 10:13 am
Forum: Support for Ngene Desktop (v1.x)
Topic: SP experimental design with 9 attributes
Replies: 10
Views: 35023

SP experimental design with 9 attributes

Dear Professor Bliemer and Ngene users,
I am working on an SP experimental design for route choice selection that offers three alternatives that I have labelled: Boat, Bridge, Long-distance.My study area is in Indonesia. I have considered following nine attributes:
1. Travel Time ( TT Boat, TTbridge ...
by Unisa
Thu Dec 28, 2017 6:10 pm
Forum: General questions about choice experiments
Topic: Gathering Pilot data
Replies: 17
Views: 52590

Re: Gathering Pilot data

Dear Michiel
Thank you for the quick reply. I will try to clarify the question with a brief description of my research.

I am presently working on a bus route in Adelaide and am investigating the outcomes of the route to be transformed into a BRT corridor (hypothetical). The next step i took was to ...
by Unisa
Wed Dec 27, 2017 8:33 pm
Forum: General questions about choice experiments
Topic: Gathering Pilot data
Replies: 17
Views: 52590

Gathering Pilot data

Hello
We are attempting to model the effect of a service improvement to a major bus corridor.
we are presenting our respondents with 2 choices to take the bus or to drive
when we collected some pilot data and ran a model to generate our priors we were unsure if we should use a binomial or ...
by Unisa
Fri Sep 01, 2017 11:44 am
Forum: Support for Ngene Desktop (v1.x)
Topic: attribute aggrigation
Replies: 1
Views: 6398

attribute aggrigation

I think the presentation of attributes needs to reflect the true thought process of participants?
in my travel mode survey I am presenting information on travel time.

I want to include walking time, and service frequency (where relevant) as separate attributes
but after discussing with my ...