laser.measles.abm.components.tracker_population laser.measles.abm.components.tracker_population laser.measles.abm.components.tracker_population.PopulationTracker(model, verbose=False, params=None) Bases: BasePopulationTracker Tracks the population size of each patch at each time tick. Was this page helpful? Thanks for your feedback! If you like, provide additional information by using our feedback form. Thanks for your feedback! Help us improve this page by using our feedback form.