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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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Jul 18

Including Travel time matrix and Number of Jobs using CrossVariable for destination choice models

Dear Michel and Biogeme team/community, I am currently stuck at this Any inputs or suggestions

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Including Travel time matrix and Number of Jobs using CrossVariable for destination choice models

Dear Michel and Biogeme team/community, I am currently stuck at this Any inputs or suggestions

Jul 18

ma...@indicatrix.org, Michel Bierlaire2

Jul 15

Numpy version incompatibility

Yes, I am aware of this. I am working on the new release that will be compatible with the new version

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Numpy version incompatibility

Yes, I am aware of this. I am working on the new release that will be compatible with the new version

Jul 15

Amin Afshari, Michel Bierlaire2

Jul 11

A noticeable difference in ASC.

ASCs are the mean of the error terms. Therefore, it is not unusual that they are sensitive to the

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A noticeable difference in ASC.

ASCs are the mean of the error terms. Therefore, it is not unusual that they are sensitive to the

Jul 11

Philipp Theile, Michel Bierlaire2

Jul 11

Joint estimation of arrival rate and discrete choice parameter

You simply need to write the contribution to the loglikelihood function of each observation, which is

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Joint estimation of arrival rate and discrete choice parameter

You simply need to write the contribution to the loglikelihood function of each observation, which is

Jul 11

RONNY MARCELO ALIAGA MEDRANO, Michel Bierlaire2

Jul 4

> On 3 Jul 2024, at 20:55, RONNY MARCELO ALIAGA MEDRANO <ronnym...@ufg.br> wrote: >

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> On 3 Jul 2024, at 20:55, RONNY MARCELO ALIAGA MEDRANO <ronnym...@ufg.br> wrote: >

Jul 4

Filippos Adamidis, Cecilia Hult2

Jul 4

edX Introduction to Discrete Choice Models - Missing grading instructions

I know this reply is probably not useful to the author since the post is two years old, but it might

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edX Introduction to Discrete Choice Models - Missing grading instructions

I know this reply is probably not useful to the author since the post is two years old, but it might

Jul 4

Marie Duper, Michel Bierlaire2

Jun 28

Socio economic classes for latent class model

You need a W for class 0 and another one for class 1, with different coefficients. > On 28 Jun

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Socio economic classes for latent class model

You need a W for class 0 and another one for class 1, with different coefficients. > On 28 Jun

Jun 28

Ariobimo Seno, Michel Bierlaire2

Jun 24

Error Message at MNL Model

There are several issues. In the definition of GOPAR_AV_SP, TRAVEL_AV_SP and CAR_AV_SP, you forgot

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Error Message at MNL Model

There are several issues. In the definition of GOPAR_AV_SP, TRAVEL_AV_SP and CAR_AV_SP, you forgot

Jun 24

Gabriel Dias, Michel Bierlaire2

Jun 21

my first model with biome

I don't know how this variable is defined, but why do you set lower bounds to zero? Set None

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my first model with biome

I don't know how this variable is defined, but why do you set lower bounds to zero? Set None

Jun 21

Mladen Zamanov, Michel Bierlaire2

Jun 18

My first model with Biogeme

Difficult to guess. You need to share your code. > On 18 Jun 2024, at 09:43, Mladen Zamanov <

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My first model with Biogeme

Difficult to guess. You need to share your code. > On 18 Jun 2024, at 09:43, Mladen Zamanov <

Jun 18

Amin As, … Michel Bierlaire13

Jun 11

Nested Logit Model for Mode and Departure time Choice

Your error is to integrate the log of the logit instead of the logit. The log of a probability is

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Nested Logit Model for Mode and Departure time Choice

Your error is to integrate the log of the logit instead of the logit. The log of a probability is

Jun 11

Hisham Haydar, Michel Bierlaire3

Jun 10

estimation time

Hisham, Your code on my laptop computer took 30 minutes to run. Then, I have made the following

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estimation time

Hisham, Your code on my laptop computer took 30 minutes to run. Then, I have made the following

Jun 10

Karloz Ferdinand Yco, Michel Bierlaire4

Jun 6

Discrete Choice Model for Solar Panel Mode Choice

> On 6 Jun 2024, at 17:31, Karloz Ferdinand Yco <karl...@gmail.com> wrote: > > Hi

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Discrete Choice Model for Solar Panel Mode Choice

> On 6 Jun 2024, at 17:31, Karloz Ferdinand Yco <karl...@gmail.com> wrote: > > Hi

Jun 6

Michel Bierlaire, Marie Duper4

May 29

Re: latent class model for panel data

> On 22 May 2024, at 18:12, Marie Duper <marie...@gmail.com> wrote: > > Thank you

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Re: latent class model for panel data

> On 22 May 2024, at 18:12, Marie Duper <marie...@gmail.com> wrote: > > Thank you

May 29

Mike Sri, Michel Bierlaire2

May 29

question about tau in ordered model

I do not understand the question. If tau2 = tau1 + tau1_diff_2, it is trivial to recover it, isn'

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question about tau in ordered model

I do not understand the question. If tau2 = tau1 + tau1_diff_2, it is trivial to recover it, isn'

May 29

May 23

Latent class model for panel data

Hi I am making a model for panel data (flat panel data). I want to also do latent class analysis. I

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Latent class model for panel data

Hi I am making a model for panel data (flat panel data). I want to also do latent class analysis. I

May 23

May 23

Latent class model with class membership for panel data

Hi I am making a latent class model for panel data. I have estimated the mixed logit model. I am

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Latent class model with class membership for panel data

Hi I am making a latent class model for panel data. I have estimated the mixed logit model. I am

May 23

Rachel Murray-Watson, … Marie Duper3

May 22

Panel data with mixed logit model

I also do not understand this what are ZERO_SIGMA_PANEL_SM On Tuesday, May 14, 2024 at 11:44:10 AM

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Panel data with mixed logit model

I also do not understand this what are ZERO_SIGMA_PANEL_SM On Tuesday, May 14, 2024 at 11:44:10 AM

May 22

nata...@gmail.com, Michel Bierlaire5

May 15

Update code from previous BIOGEME version

Many thanks for your response. I still see an error that I cannot trace, but I will check the

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Update code from previous BIOGEME version

Many thanks for your response. I still see an error that I cannot trace, but I will check the

May 15

jean luca, Michel Bierlaire2

May 14

The ASC plays the same role as an intercept in linear regression. By including it in the V as a

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The ASC plays the same role as an intercept in linear regression. By including it in the V as a

May 14

Coco Wang, Michel Bierlaire2

May 12

About boxcox transformation

Being significant does not mean much. See this video to understand why: https://youtu.be/GmNodW_pUHk?

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About boxcox transformation

Being significant does not mean much. See this video to understand why: https://youtu.be/GmNodW_pUHk?

May 12

benzvi...@gmail.com, … Michel Bierlaire8

May 10

Error componanets and random parameters in panel data mixed logit model

> On 9 May 2024, at 10:43, xinyuz...@gmail.com wrote: > > Dear Professor Michel Bierlaire

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Error componanets and random parameters in panel data mixed logit model

> On 9 May 2024, at 10:43, xinyuz...@gmail.com wrote: > > Dear Professor Michel Bierlaire

May 10

Karine Xu, … Michel Bierlaire3

May 9

How to stepwise with Biogeme

Yes, you can use sequential estimation to speed up the process. This is described here: https://

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How to stepwise with Biogeme

Yes, you can use sequential estimation to speed up the process. This is described here: https://

May 9

Suppharutchaya Chongutsah, Michel Bierlaire2

May 9

Seeking Advice on Improving MNL Model Fit with Low Rho-square

> On 9 May 2024, at 15:50, Suppharutchaya Chongutsah <s.chon...@gmail.com> wrote: >

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Seeking Advice on Improving MNL Model Fit with Low Rho-square

> On 9 May 2024, at 15:50, Suppharutchaya Chongutsah <s.chon...@gmail.com> wrote: >

May 9

KAIBALYAPATI MISHRA, Michel Bierlaire2

May 8

Just follow the instructions on the webpage, under "START" https://biogeme.epfl.ch/ > On

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Just follow the instructions on the webpage, under "START" https://biogeme.epfl.ch/ > On

May 8

Alene Lucille Holmgren, Michel Bierlaire4

May 7

Nesting Model Convergence

Great. This new syntax was indeed designed to make the model specification easier. > On 6 May 2024

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Nesting Model Convergence

Great. This new syntax was indeed designed to make the model specification easier. > On 6 May 2024

May 7

Alene Lucille Holmgren

May 5

Nested Logit Model

Dear Professor Bierlaire, I hope you are well. I am attempting to estimate three nested iterations of

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Nested Logit Model

Dear Professor Bierlaire, I hope you are well. I am attempting to estimate three nested iterations of

May 5

Hafsoah Ahmad, Michel Bierlaire2

May 2

Positive latent variable

> On 2 May 2024, at 18:01, 'Hafsoah Ahmad' via Biogeme <bio...@googlegroups.com>

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Positive latent variable

> On 2 May 2024, at 18:01, 'Hafsoah Ahmad' via Biogeme <bio...@googlegroups.com>

May 2

Mike Sri, Michel Bierlaire4

May 2

question about null log-likelihood on different model but using same datset

> On 2 May 2024, at 17:21, Mike Sri <tats...@gmail.com> wrote: > > Thank you for the

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question about null log-likelihood on different model but using same datset

> On 2 May 2024, at 17:21, Mike Sri <tats...@gmail.com> wrote: > > Thank you for the

May 2

Rachel Murray-Watson, Michel Bierlaire4

May 1

Calculation of Fisher Information Matrix and/or Asymptotic Variance-Covariance Matrix

results.getVarCovar --> Rao-Cramer results.getRobustVarCovar --> the robust version > On 1

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Calculation of Fisher Information Matrix and/or Asymptotic Variance-Covariance Matrix

results.getVarCovar --> Rao-Cramer results.getRobustVarCovar --> the robust version > On 1

May 1

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