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TPlanning_matrices

Matrix manipulation toolkit (high level functions) for transport planners written in python.

Matrices:

  • Input / Output in different formats (e.g.: EMME, TBA3).
  • Submatrices
  • Calculating trip-ends.
  • Conversion from one zoning system to another. (Generalization for both cost and demand -trip- matrices)
  • Proportions for origins, destinations, columns. (e.g.: segmentation by time periods, demand segments, etc)
  • Produce trip-end comparisons between matrices: scatterplots and regression statistics.

Trip-Length Distributions:

  • Calculating Trip-Length Distributions from matrices.
  • Input / Output in different formats (e.g.: EMME, TBA3).
  • Adjust starting point.
  • Truncate maximum distance.
  • Calculate TLD proportions and average distance.
  • Aggregate TLD to different bands.
  • Produce TLD graphs.

Gravity models:

  • Estimate Gravity Parameters based on different functions.
  • Apply gravity models.

Assumes matrices are pandas dataframes, with "Origin" and "Destination" as multiindex, and one column per matrix. Matrices could be trips or cost.

WORK IN PROGRESS


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Python (1,140,957
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