Dear Prof. Stephane,
Both the single and complex trip chain are not available at the same time since each respondent stated their type of trip for every choice/alternative, either single trip chain (stc) or complex trip chain (ctc).
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- 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
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Search found 3 matches
- 03 May 2021, 06:46
- Forum: Errors during model validation and/or estimation.
- Topic: Error in testing influence of parameters of Nested Logit Model
- Replies: 5
- Views: 6684
- 10 Apr 2021, 04:36
- Forum: Errors during model validation and/or estimation.
- Topic: Error in testing influence of parameters of Nested Logit Model
- Replies: 5
- Views: 6684
Re: Error in testing influence of parameters of Nested Logit Model
Dear Prof. Stephane, I have revised the code to not use these parameters or attributes in all of the utilities. The previous error for particular parameters has no longer appeared. However, the same error still appeared --this time, the error happens for the lambda parameter-- as follows: Parameter ...
- 06 Apr 2021, 11:06
- Forum: Errors during model validation and/or estimation.
- Topic: Error in testing influence of parameters of Nested Logit Model
- Replies: 5
- Views: 6684
Error in testing influence of parameters of Nested Logit Model
Dear Everyone, I was trying to develop a new model framework to investigate commuters’ behavior and response toward the presence of Light Rapid Transit with two levels of nested logit model framework. The nested logit model framework is attached in this post where the upper level represents commuter...