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Exclude estimation of "None" in aggregate logit model in SMRT


When a "None" has been included in a CBC exercise, is it possible to exclude this in an aggregate logit model in SMRT? I know that this is possible in HB when running utilities, but I wondered if this is also possible in an aggregate logit model in SMRT? If so, how can I do this in SMRT?

Many thanks!
asked Apr 11, 2012 by anonymous
retagged Sep 13, 2012 by Walter Williams

1 Answer

0 votes
It's not available as an option in SMRT's logit.  But, it is available (to exclude tasks with None answers) in our Latent Class standalone software (and a 1-group LC estimation is the same as an aggregate logit run).

The other option is to modify your .cho file or .csv file that holds respondent answers, and change all answers of "None" to answers of zero.  Answers of zero tell our utility estimation software programs to skip that task.
answered May 10, 2012 by Bryan Orme Platinum Sawtooth Software, Inc. (198,515 points)