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Parameters of the TO Experiment

The top part of the experiment view contains toolbar with the Run control element, allowing you to launch the configured Transportation optimization experiment.

Below the toolbar you can find a set of the experiment's parameters which are available only if the experiment is not launched:

The experiment parameters can be reset to their default values if required.

  • Experiment duration - the period of time that will be processed by the experiment.
    • All periods - the period of time that will be processed by the experiment. Transportation optimization experiment considers all periods specified in the Periods table. The actual experiment duration is specified below the parameter as Start date and End date:

      The starting date of the experiment corresponds to the date specified in the Start column of the first period (in the Periods table), and the ending date corresponds to the date specified in the End column of the last period (in the Periods table).

  • Max customers in a route - limits the number of customers per route. Leave the field empty or set 0 to consider all customers.
  • Vehicle types - defines the vehicle type(s) to use on the generated route. The specified vehicle type affects the choice of paths to use within the experiment. If no vehicle type is selected here - all paths will be considered, regardless of the vehicle types that you defined for them in the Paths table.

    The selected vehicle types can only use the roads that they are specified for. If a desired vehicle type is not set for a certain path in the Paths table, the experiment will not consider the customers that can be reached by that path only.

  • Travel segment limit - sets the max distance between the objects in the network in the specified Distance unit. If the distance between the current and the next customer exceeds the specified distance, the latter will not be included in the generated route. Leave the field empty to consider objects disregarding their remoteness.
  • Returning segment limit - sets the limit on the maximum length of the route's returning segment (in the specified Distance unit). A returning segment connects the last customer of the route to the DC from which the vehicle set off. Leave the field empty to make it unlimited.
  • Distance unit - the distance measurement unit used within this experiment.
  • Currency unit - the monetary unit used within this experiment.
  • Optimization time limit per site, sec. - sets the limit on the time allotted to the experiment.
  • Relative MIP gap - sets a relative tolerance on the gap between the best integer objective and the objective of the best node remaining. The solver will stop as soon as it finds the solution within the specified percent of optimal (e.g. 5%, or 0.05 when specifying the MIP gap).
  • Number of threads to use - the number of tasks that can be run in parallel.
  • Pre-processor - custom user-defined Java processor. If no custom pre-processor is provided, the Default pre-processor will be used.
  • Post-processor - custom user-defined Java processor. If no custom post-processor is provided, the Default post-processor will be used.
    • Export statistics to External DB - if set, the gathered statistics wil be exported to the database table. Click the icon to the right of this parameter to configure export parameters.
    • Export statistics to a file - if set, each gathered statistics will be exported to a .txt file. Click the icon to the right of this parameter to configure export parameters.

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