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. 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 far more detailed descriptions of the various Apollo functions than the help files within the package. Users should ensure that they have followed the correct syntax when using the functions.
3. Users should finally make sure that they have updated to the latest official release of Apollo. You can check which version you are running by entering packageVersion("apollo"). Then check what is the latest full release (not development version) at http://www.ApolloChoiceModelling.com/code.html
4. 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
5. Users should check that the same issue has not already been addressed in the forum - there is a search tool.
6. If the above steps do not resolve the issue, then please ensure you provide full details on the issue, including the code and output.
1. This forum is for questions related to the use of Apollo. We will answer some general choice modelling questions too, where appropriate. 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 far more detailed descriptions of the various Apollo functions than the help files within the package. Users should ensure that they have followed the correct syntax when using the functions.
3. Users should finally make sure that they have updated to the latest official release of Apollo. You can check which version you are running by entering packageVersion("apollo"). Then check what is the latest full release (not development version) at http://www.ApolloChoiceModelling.com/code.html
4. 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
5. Users should check that the same issue has not already been addressed in the forum - there is a search tool.
6. If the above steps do not resolve the issue, then please ensure you provide full details on the issue, including the code and output.
It is currently 07 Mar 2021, 00:01
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Installation and updating
Ask questions about installing Apollo, running it inside a shell, and updating to new versions. Please make sure you provide information about which version of Apollo and R you are using. - 3 Topics
- 13 Posts
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Last post
Re: Installing when R is run …
by Victor View the latest post
17 Jul 2020, 17:14
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Bug reports
Report bugs or highlight issues with Apollo functions. At a minimum, please include the part of the output where you believe the bug is manifested. Ideally, please share your model file. - 10 Topics
- 34 Posts
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Last post
Re: Estimates not appearing
by jbas View the latest post
24 Feb 2021, 17:19
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Feature requests
Put in requests for new capabilities such as functions for new models. - 3 Topics
- 7 Posts
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Last post
Spatial autocorrelations with…
by ha.ortiz10 View the latest post
18 Feb 2021, 17:38
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Data preparation, processing and pre-estimation analysis
Ask questions about data format and processing of data, including the use of pre-estimation functions in Apollo. If your question relates to a specific error you are getting, please provide some of the output. - 4 Topics
- 15 Posts
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Last post
Re: How to structure data fro…
by Istillhavequestions View the latest post
11 Feb 2021, 19:24
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Model specification
Ask questions about model specifications. Ideally include a mathematical explanation of your proposed model. - 38 Topics
- 165 Posts
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Last post
Re: Latent Class Joint Model
by stephanehess View the latest post
05 Mar 2021, 18:05
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Model estimation
Ask questions about how to estimate models and how to change your settings for estimation. - 8 Topics
- 42 Posts
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Last post
Re: /Hybrid choice model_Esit…
by dhaka515 View the latest post
02 Mar 2021, 21:00
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Errors during model validation and/or estimation.
Ask questions about errors you encouunter. Please make sure to include full details about your model specifications, and ideally your model file. - 24 Topics
- 128 Posts
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Last post
Re: Error when estimating a I…
by stephanehess View the latest post
05 Mar 2021, 18:34
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Estimation results
Ask questions about the results reported after estimation. If the output includes errors, please include your model code if possible. - 6 Topics
- 35 Posts
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Re: rho square
by stephanehess View the latest post
05 Mar 2021, 11:34
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Post-estimation analysis/use of results
Ask questions about post-estimation functions (e.g. prediction, conditionals, etc) or other processing of results. - 27 Topics
- 122 Posts
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Re: Apollo_lrTest
by anhntl View the latest post
25 Feb 2021, 02:20
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Questions about manual
Ask questions about the Apollo manual. - 1 Topics
- 2 Posts
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Re: DoIs in Manual
by stephanehess View the latest post
11 Feb 2021, 17:03
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Examples (existing and requests for new ones)
Ask questions about existing examples and put in requests to software developers and users for other example implementations of models. - 7 Topics
- 38 Posts
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Re: Hybrid choice modelling.
by Niranjan View the latest post
06 Feb 2021, 22:50
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Data
Ask general questions about data for choice modelling that are not Apollo specific but relevant to Apollo users. - 0 Topics
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Models and estimation
Ask general questions about model specification and estimation that are not Apollo specific but relevant to Apollo users. - 7 Topics
- 23 Posts
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Re: Autocorrelation in Markov…
by stephanehess View the latest post
05 Mar 2021, 18:37
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- 1 Topics
- 2 Posts
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Last post
Re: Online course in choice m…
by stephanehess View the latest post
17 Jul 2020, 11:07
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