Questions tagged [transportation]

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Is unobserved heterogenity in mixed logit models variable specific?

I have a mixed logit model with travel cost, travel time, and mode constants. If I only randomize travel cost and keep fixed coefficients for travel time and mode constants, will the model capture ...
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30 views

Horizontal vs Vertical optimal transport of probability distributions

Optimal transport has a primal and dual form. My question is: Is the primal formulation of OT intended for horizontal movement of probability mass, whereas the dual formulation is more geared towards ...
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31 views

Getting trip information from AVL data

I got a problem which needed to solved using Machine learning. The problem title is "how to generate trip information based on AVL". The dataset generated from AVL device is collected by ...
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27 views

entropically regularized optimal transport on matrix with zero's on diagonal

I am a student reading an article where they are using the sinkhorn function from the ot Pyhton package to calculate the ...
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1answer
771 views

statistics of airline crashes

Ive been going back and forth with a friend of mine on the issue of airline crash statistics. The concept of "independent variables" seems to be the biggest disagreement between us, so I was hoping to ...
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10answers
22k views

Are your chances of dying in a plane crash reduced if you fly direct?

I recently had a disagreement with a friend about minimizing the chance of dying in a plane due to a crash. This is a rudimentary statistics question. He stated that he prefers to fly direct to a ...
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322 views

Help in setting up and solving a transportation / traffic problem [closed]

Traffic light synchronization nowadays is not a tedious project, Image: For a personal research project I'm trying to build a statistical model to solve such problems in two and higher dimensions. ...
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1answer
198 views

Extrapolating the amount of data missing from the amount of data partially missing

Suppose I have a fleet of two-car trains riding around, and that each car is equipped with a data recording device. Unfortunately, some of the recording devices aren't working. I don't know either the ...
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1answer
236 views

Sample problems on logit modeling and Bayesian methods

I'm looking for worked out solutions using Bayesian and/or logit analysis similar to a workbook or an annal. The worked out problems could be of any field; however, I'm interested in urban planning /...