A great start for the year, problem solved!
Thanks a lot.
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. This may take a day or two at busy times. There is no need to submit the post multiple times.
Search found 4 matches
- 03 Jan 2022, 10:24
- Forum: Errors during model validation and/or estimation.
- Topic: "Paramter does not influence the log-likelihood of your model" after included LV
- Replies: 12
- Views: 15648
- 17 Dec 2021, 09:52
- Forum: Errors during model validation and/or estimation.
- Topic: "Paramter does not influence the log-likelihood of your model" after included LV
- Replies: 12
- Views: 15648
Re: "Paramter does not influence the log-likelihood of your model" after included LV
Oh, that is quite embarrassing, I apologise for posting such a code with an error. The posted code was an intermediate step of my different tries to make the code work, and I mistakenly posted it here. Unfortunately, even after including b_Organic in the utility functions, the error appears again, n...
- 16 Dec 2021, 11:59
- Forum: Errors during model validation and/or estimation.
- Topic: "Paramter does not influence the log-likelihood of your model" after included LV
- Replies: 12
- Views: 15648
Re: "Paramter does not influence the log-likelihood of your model" after included LV
Thank you for the fast answer, Please find the complete console output below. As additional information, f I exclude the parameter which doesn't influence the LL (level for Organic products) the problem continues to appear with another b. > rm(list = ls()) > > > library(apollo) Apollo 0.2.4 www.Apol...
- 13 Dec 2021, 15:51
- Forum: Errors during model validation and/or estimation.
- Topic: "Paramter does not influence the log-likelihood of your model" after included LV
- Replies: 12
- Views: 15648
"Paramter does not influence the log-likelihood of your model" after included LV
Hi Stephane and David, I am stuck with this problem for some time already and your assistance would be of great help. I have data from an unlabelled ch. experiment. Choice sets consist of 3 alternatives: two "products" plus an optout option. Before adding the LV, a specified MNL model was ...