Important: Read this before posting to this forum
- 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.
- 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
- 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
- Check the frequently asked questions section on the Apollo website, which discusses some common issues/failures. Please see http://www.apollochoicemodelling.com/faq.html
- Make sure that R is using the latest official release of Apollo.
- Users can check which version they are running by entering packageVersion("apollo").
- Then check what is the latest full release (not development version) at http://www.ApolloChoiceModelling.com/code.html.
- 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.
Examples (existing and requests for new ones)
-
- Topics
- Replies
- Views
- Last post
-
- 5 Replies
- 17605 Views
-
Last post by stephanehess
-
- 2 Replies
- 51374 Views
-
Last post by firstenor
-
- 1 Replies
- 11304 Views
-
Last post by dpalma
-
- 2 Replies
- 31466 Views
-
Last post by TCEagle
-
- 5 Replies
- 38231 Views
-
Last post by dpalma
-
- 1 Replies
- 15261 Views
-
Last post by stephanehess
-
- 1 Replies
- 14816 Views
-
Last post by stephanehess
-
- 1 Replies
- 24141 Views
-
Last post by stephanehess
-
- 1 Replies
- 22942 Views
-
Last post by stephanehess
-
- 1 Replies
- 32990 Views
-
Last post by stephanehess
-
- 1 Replies
- 21111 Views
-
Last post by stephanehess
-
- 1 Replies
- 19294 Views
-
Last post by stephanehess
-
- 2 Replies
- 21662 Views
-
Last post by punyabeet
-
- 1 Replies
- 19249 Views
-
Last post by stephanehess
-
- 2 Replies
- 24502 Views
-
Last post by intllawKuma
-
- 3 Replies
- 26642 Views
-
Last post by stephanehess
-
- 1 Replies
- 19702 Views
-
Last post by stephanehess
-
- 2 Replies
- 22612 Views
-
Last post by Ganesh
-
- 1 Replies
- 20520 Views
-
Last post by stephanehess
-
- 4 Replies
- 35303 Views
-
Last post by firstenor
-
- 2 Replies
- 23536 Views
-
Last post by shivakumar.raman
-
- 2 Replies
- 30518 Views
-
Last post by jamesbushell
-
- 4 Replies
- 31316 Views
-
Last post by Niranjan
-
- 13 Replies
- 108817 Views
-
Last post by MAF
-
- 2 Replies
- 24908 Views
-
Last post by zx9203