readScenario function

Reads from a file the scenario settings to be used by irace.

The scenario argument is an initial scenario that is overwritten for every setting specified in the file to be read.

readScenario(filename = "", scenario = list(), params_def = .irace.params.def)

Arguments

• filename: character(1)

  Filename from which the scenario will be read. If empty, the default scenarioFile is used. An example scenario file is provided in system.file(package="irace", "templates/scenario.txt.tmpl").

• scenario: list()

  Data structure containing irace

  settings. The data structure has to be the one returned by the function defaultScenario() or readScenario().

• params_def: data.frame()

  Definition of the options accepted by the scenario. This should only be modified by packages that wish to extend irace.

Returns

The scenario list read from the file. The scenario settings not present in the file are not present in the list, i.e., they are NULL.

See Also

• printScenario(): prints the given scenario.
• defaultScenario(): returns the default scenario settings of irace.
• checkScenario(): to check that the scenario is valid.

Author(s)

Manuel López-Ibáñez and Jérémie Dubois-Lacoste