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.
Before asking a question on the forum, users are kindly requested to follow these steps:
Check that the same issue has not already been addressed in the forum - there is a search tool.
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
To update to the latest official version, just enter install.packages("apollo"). To update to a development version, download the appropriate binary file from http://www.ApolloChoiceModelling.com/code.html, and install the package from file
If the above steps do not resolve the issue, then users should follow these steps when posting a question:
provide full details on the issue, including the entire code and output, including any error messages
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.
first of all: Thank you for this great package and the very helpful community.
I have a MNL model and I know that multiple choices per individual are considered. However, I collected my data by conducting an experiment during multiple sessions. Now I would like to cluster standard errors on a session level. Is this somehow possible with the apollo package?
