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Parameters of the Variation Experiment

The top part of the Variation experiment view contains toolbar with the following control elements:

  • Run. Click to launch the experiment.
  • Stop (active only if the experiment is launched or paused). Click to stop the experiment.

Below the toolbar you can find a set of the experiment's parameters:

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

  • Experiment start - defines when the experiment starts.
    • Time period - [Set by default] the option shows the first period defined in the Periods table. If you rename the period, the name of this option will be updated. The starting date of this period is shown in the Start date parameter below.
    • Selected period - allows you to define the required period (from the ones defined in the Periods table) as the starting period in the now available Start period option.
    • Initial state - allows you to define the required initial state as the starting point in the now available Initial state parameter.
    • Start date - [visible if Time period option is selected] shows the beginning of this period, i.e., the date specified in the Start column of this period (in the Periods table).
    • Start period - [visible if Selected period option is selected] specify the period, the starting date of which will be used as the starting date of the experiment.
    • Initial state - [visible if Initial state option is selected] - specify the initial state, the starting date of which will be used as the starting date of the experiment.
  • Experiment end - defines when the experiment ends:
    • Time period - [Set by default] the option shows the last period defined in the Periods table. If you rename the period, the name of this option will be updated. The ending date of this period is shown in the End date parameter below.
    • Selected period - allows you to define the required period (from the ones defined in the Periods table) as the ending period in the now available End period option.
    • Custom date - allows you to define a custom experiment end date in the now available End date parameter.
    • End date - [visible if Time period option is selected] shows the end of this period, i.e., the date specified in the End column of this period (in the Periods table).
    • End period - [visible if Selected period option is selected] specify the period, the ending date of which will be used as the ending date of the experiment.
  • Use replications - defines whether replications are used during the experiment run. If replications are used, each iteration will include several repeating runs of the Simulation experiment. Otherwise, each iteration will include a single run of the Simulation experiment. The number of replications is set in the Replications per iteration field.
  • Replications per iteration - [available if Use replications is enabled] the number of replications per iteration.
  • Number of threads to use - the number of tasks that can be run in parallel.
  • Finances statistics unit - the monetary unit that will be used in the statistics.
  • Product statistics unit - the product measurement unit (also includes units defined in the Measurement Units table) that will be used in the statistics.
  • Time statistics unit - the time measurement unit that will be used in the statistics.
  • Distance statistics unit - the distance measurement unit that will be used in the statistics.
  • Configure statistics - opens the dialog box allowing you to specify the statistics to be collected during the experiment.
  • 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. You can set the required post-processor and define its parameters during the experiment run. 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.
  • Variable parameters - [available if the experiment is not running] the dialog allows you to set up variations for the experiment. Each variation refers to a certain parameter and defines a variation method for it:
    • Object type - sets the table to work with
    • Object - sets the element from the table defined in the Object type drop-down list
    • Parameter - parameter of the element set in the Object drop-down list
    • Variation - sets the parameter variation method:
      • Number Range - is used to vary numeric values (e.g. Min Load ratio from 0.1 to 0.7 with Step of 0.1).
      • Link List - is a simple link to an object. It is used to change an element (e.g. a vehicle type for a path or a location for a customer).
      • Multilink List - is a set of links to an object. It is used to define multiple choices like sources in the Sourcing table.
      • Sourcing Split - is used for Sourcing Policy of Split type.
    • Variation parameters - the parameters for the experiment to vary.
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