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Welcome to the users group for Biogeme. Submit your questions, comments, suggestions. Please take the time as well to respond to other users questions.
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R Morales
,
Michel Bierlaire
3
Jan 28
NL Combining RP & SP data
The best way to think about it is to start by developing first a model for RP data, and,
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NL Combining RP & SP data
The best way to think about it is to start by developing first a model for RP data, and,
Jan 28
Rachel Murray-Watson
,
Michel Bierlaire
3
Jan 27
Socio-economic factors in choice models with latent variables
No. But a large number of classes (that is, 3 or more) generate a likelihood function with many local
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Socio-economic factors in choice models with latent variables
No. But a large number of classes (that is, 3 or more) generate a likelihood function with many local
Jan 27
Jeppe Rich
,
Michel Bierlaire
3
Jan 25
Is the a bioAtan function?
I know (-: it's for some weird functional stuff I'm working on. It is just that; t <- 2/pi
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Is the a bioAtan function?
I know (-: it's for some weird functional stuff I'm working on. It is just that; t <- 2/pi
Jan 25
Rachel Murray-Watson
Jan 25
3-class discrete mixture model
In the following, I am struggling to extend it to three classes. Particularly at this step:
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3-class discrete mixture model
In the following, I am struggling to extend it to three classes. Particularly at this step:
Jan 25
R Morales
,
Michel Bierlaire
2
12/19/24
Market shares and ASC (RP & SP)
This is called "constant recalibration". See Section 2.8 of Train's book. https://eml.
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Market shares and ASC (RP & SP)
This is called "constant recalibration". See Section 2.8 of Train's book. https://eml.
12/19/24
ענבל גליקמן
,
Michel Bierlaire
3
12/15/24
NL Paramrter
Thanks for your response. Tried your suggestion, still same warning: Warning: identification issue
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NL Paramrter
Thanks for your response. Tried your suggestion, still same warning: Warning: identification issue
12/15/24
Michel Bierlaire
12/13/24
Re: Problem in Biogeme code for Nested logit Model
It is likely that you do not have installed the latest version. The call of the function looks
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Re: Problem in Biogeme code for Nested logit Model
It is likely that you do not have installed the latest version. The call of the function looks
12/13/24
Anna Reiffer
,
Michel Bierlaire
2
11/20/24
MDCEV outside good definition
> On 20 Nov 2024, at 10:04, Anna Reiffer <annar...@gmail.com> wrote: > > Hi, >
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MDCEV outside good definition
> On 20 Nov 2024, at 10:04, Anna Reiffer <annar...@gmail.com> wrote: > > Hi, >
11/20/24
Luca Bataillard
,
Michel Bierlaire
2
11/19/24
Biogeme 3.2.14 - piecewise_variables raises when expression is not of type Variable
Hi Luca, I decided to restrict the use to variables in order to avoid meaningless specifications when
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Biogeme 3.2.14 - piecewise_variables raises when expression is not of type Variable
Hi Luca, I decided to restrict the use to variables in order to avoid meaningless specifications when
11/19/24
Amir pashaie
,
Michel Bierlaire
2
11/11/24
version error
The current release, Biogeme 3.2.14, relies on numpy 2.0.0. https://github.com/michelbierlaire/
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version error
The current release, Biogeme 3.2.14, relies on numpy 2.0.0. https://github.com/michelbierlaire/
11/11/24
Amparo Álvarez
,
Michel Bierlaire
3
11/9/24
The database contains an object error Biogeme
After the code df['column_name'] = pd.to_numeric(df['column_name']) the database is
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The database contains an object error Biogeme
After the code df['column_name'] = pd.to_numeric(df['column_name']) the database is
11/9/24
sing leo
,
Michel Bierlaire
4
11/7/24
Latent Variables in Structural Equation
> On 7 Nov 2024, at 09:38, sing leo <leo594...@gmail.com> wrote: > > I am planning
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Latent Variables in Structural Equation
> On 7 Nov 2024, at 09:38, sing leo <leo594...@gmail.com> wrote: > > I am planning
11/7/24
Anna Reiffer
,
Michel Bierlaire
4
11/6/24
MDCEV example data
You're right. The file was missing in the github. Sorry. It is now available at https://github.
unread,
MDCEV example data
You're right. The file was missing in the github. Sorry. It is now available at https://github.
11/6/24
Lucas Rubino
,
Michel Bierlaire
2
11/5/24
Error in installing biogeme within the terminal.
It means that the installer tries to compile cythonbiogeme instead of using the binaries, and fails
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Error in installing biogeme within the terminal.
It means that the installer tries to compile cythonbiogeme instead of using the binaries, and fails
11/5/24
Henry Dao
, …
Christian Hayden Canobra
4
10/30/24
Assistance Needed with Biogeme Installation on Google Colab
Hi Henry, I am currently experiencing the same issues with Google Colab. I have attempted to
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Assistance Needed with Biogeme Installation on Google Colab
Hi Henry, I am currently experiencing the same issues with Google Colab. I have attempted to
10/30/24
可可
,
Michel Bierlaire
2
10/14/24
Questions about numerical integration and normalization strategy in ICLV model
> On 14 Oct 2024, at 14:45, 可可 <kek3...@gmail.com> wrote: > > Dear Biogeme-group,
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Questions about numerical integration and normalization strategy in ICLV model
> On 14 Oct 2024, at 14:45, 可可 <kek3...@gmail.com> wrote: > > Dear Biogeme-group,
10/14/24
Inbal Glickman
,
Michel Bierlaire
2
10/14/24
Issue with Data File Import in Biogeme
This seems to be a Pandas issue, not a Biogeme issue. Check the data after it has been read: my_data
unread,
Issue with Data File Import in Biogeme
This seems to be a Pandas issue, not a Biogeme issue. Check the data after it has been read: my_data
10/14/24
FTK
,
Michel Bierlaire
2
10/1/24
Halton
This is documented here: https://transp-or.epfl.ch/documents/technicalReports/Bier19.pdf > On 1
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Halton
This is documented here: https://transp-or.epfl.ch/documents/technicalReports/Bier19.pdf > On 1
10/1/24
reza fallahpour
,
Michel Bierlaire
2
9/28/24
confusion matrix (prediction only by coefficients)
The use of Biogeme to simulate choices is described here: https://transp-or.epfl.ch/documents/
unread,
confusion matrix (prediction only by coefficients)
The use of Biogeme to simulate choices is described here: https://transp-or.epfl.ch/documents/
9/28/24
Olena Zalieska
,
Michel Bierlaire
2
9/19/24
Questions about mode choice prediction
> On 16 Sep 2024, at 18:09, Olena Zalieska <e.zales...@gmail.com> wrote: > > Hello
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Questions about mode choice prediction
> On 16 Sep 2024, at 18:09, Olena Zalieska <e.zales...@gmail.com> wrote: > > Hello
9/19/24
Shahab D
,
Michel Bierlaire
2
9/18/24
Error in simulation of a model "simulateSeveralFormulas()"
It looks like an incompatibility of different versions. Can you try to reinstall biogeme in a clean
unread,
Error in simulation of a model "simulateSeveralFormulas()"
It looks like an incompatibility of different versions. Can you try to reinstall biogeme in a clean
9/18/24
Philipp Theile
,
Michel Bierlaire
2
9/17/24
Segmentation and simulation
You can simulate the same expressions as the one you have used for estimation. A segmentation is
unread,
Segmentation and simulation
You can simulate the same expressions as the one you have used for estimation. A segmentation is
9/17/24
Haydir Alhashmi
,
Michel Bierlaire
2
9/12/24
Issue downloading on MacBook
It means that python is not correctly installed on your computer. This is a python issue, not biogeme
unread,
Issue downloading on MacBook
It means that python is not correctly installed on your computer. This is a python issue, not biogeme
9/12/24
Mike Sri
,
Michel Bierlaire
4
9/9/24
Latent class membership model
> On 3 Sep 2024, at 09:00, Mike Sri <tats...@gmail.com> wrote: > > PROB_CLASS1 =
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Latent class membership model
> On 3 Sep 2024, at 09:00, Mike Sri <tats...@gmail.com> wrote: > > PROB_CLASS1 =
9/9/24
Philipp Theile
,
Michel Bierlaire
3
8/22/24
RMSE computation for out-of-sample data
Thank you very much for the prompt response! I was looking for something like the simulation mode.
unread,
RMSE computation for out-of-sample data
Thank you very much for the prompt response! I was looking for something like the simulation mode.
8/22/24
Rohan Menezes
,
Michel Bierlaire
5
8/22/24
Extracting statistics on assigned probability to alternatives in a choice set
Dear Michel, Ahh yes, you are correct. Indeed that's the limitation of this metric. This metric
unread,
Extracting statistics on assigned probability to alternatives in a choice set
Dear Michel, Ahh yes, you are correct. Indeed that's the limitation of this metric. This metric
8/22/24
Henry Dao
,
Michel Bierlaire
2
8/21/24
Error in Biogeme Notebook: TypeError when Running bio.BIOGEME()
V must be a dict associationg the id of the alternatives with their arithmetic expression. Look at
unread,
Error in Biogeme Notebook: TypeError when Running bio.BIOGEME()
V must be a dict associationg the id of the alternatives with their arithmetic expression. Look at
8/21/24
Michael Nassar
2
8/21/24
Re: [biogeme] D-efficient experimental design: defining prior values
Michael Nassar 3...@gmail.com On Sat, Aug 10, 2024, 10:09 Michael Nassar <michael...@gmail.com
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Re: [biogeme] D-efficient experimental design: defining prior values
Michael Nassar 3...@gmail.com On Sat, Aug 10, 2024, 10:09 Michael Nassar <michael...@gmail.com
8/21/24
azaldeen ali
,
Michel Bierlaire
2
8/13/24
Estimation of residuals
> On 9 Aug 2024, at 20:18, azaldeen ali <azald...@gmail.com> wrote: > > Dear
unread,
Estimation of residuals
> On 9 Aug 2024, at 20:18, azaldeen ali <azald...@gmail.com> wrote: > > Dear
8/13/24
Bassie Yizengaw
,
Michel Bierlaire
3
8/6/24
Warning:only one thread is used for simulation
The message is self-explanatory. You cannot nest Montecarlo statements. Refer to the example. > On
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Warning:only one thread is used for simulation
The message is self-explanatory. You cannot nest Montecarlo statements. Refer to the example. > On
8/6/24