Important: Read this before posting to this forum

  1. This forum is for questions related to the use of Apollo. We will answer some general choice modelling questions too, where appropriate, and time permitting. We cannot answer questions about how to estimate choice models with other software packages.
  2. There is a very detailed manual for Apollo available at http://www.ApolloChoiceModelling.com/manual.html. This contains detailed descriptions of the various Apollo functions, and numerous examples are available at http://www.ApolloChoiceModelling.com/examples.html. In addition, help files are available for all functions, using e.g. ?apollo_mnl
  3. Before asking a question on the forum, users are kindly requested to follow these steps:
    1. Check that the same issue has not already been addressed in the forum - there is a search tool.
    2. Ensure that the correct syntax has been used. For any function, detailed instructions are available directly in Apollo, e.g. by using ?apollo_mnl for apollo_mnl
    3. Check the frequently asked questions section on the Apollo website, which discusses some common issues/failures. Please see http://www.apollochoicemodelling.com/faq.html
    4. Make sure that R is using the latest official release of Apollo.
  4. If the above steps do not resolve the issue, then users should follow these steps when posting a question:
    1. provide full details on the issue, including the entire code and output, including any error messages
    2. posts will not immediately appear on the forum, but will be checked by a moderator first. We check the forum at least twice a week. It may thus take a couple of days for your post to appear and before we reply. There is no need to submit the post multiple times.

Search found 2 matches

by Iris123
14 Aug 2024, 10:57
Forum: Estimation results
Topic: Rho squares and BIC NA for Latent class dual response model
Replies: 4
Views: 38100

Re: Rho squares and BIC NA for Latent class dual response model

Perfect, thank you Stephane!

Just to be sure: in our dual-response model, the forced model has 2 alternatives and the opt-out model has 3 alternatives. Does this matter for countAlt?

Iris
by Iris123
08 Aug 2024, 10:03
Forum: Estimation results
Topic: Rho squares and BIC NA for Latent class dual response model
Replies: 4
Views: 38100

Rho squares and BIC NA for Latent class dual response model

Hi,

I am fitting a latent class model on DCE data with dual response using the apollo_combineModels function (one model with forced choice and one model with additional opt-out option). When I run the model, the output returns "not applicable" for the Rho-squares and the "NA" for the BIC. The ...