DiseaseModel            R6 class representing a disease model of the
                        _Mycoplasma gallisepticum_ outbreak in
                        _Haemorhous mexicanus_
aspatial_siri           Helper Function for Seasonal SIRI Simulation
bsl_raster              Raster of breeding season length for the house
                        finch
check_aspatial_siri_inputs
                        Helper function to check the validity of inputs
                        to the 'siri_model_summer' and
                        'siri_model_winter' functions.
check_simulator_inputs
                        Helper function to check the validity of inputs
                        to the 'disease_simulator' function.
disease_dispersal       Nested functions for population dispersal in a
                        disease ecology simulation.
disease_results         Nested functions for initializing, calculating
                        and collecting disease simulator results.
disease_simulator       Stage-based seasonal spatially explicit
                        population-level disease model.
disease_transformation
                        Nested functions for a user-defined
                        transformation of a population affected by a
                        disease outbreak.
disease_transitions     Nested functions for stage- and
                        compartment-based population transitions in an
                        outbreak.
finch_region            Study region for house finch conjunctivitis
                        simulations
habitat_suitability     House finch habitat suitability
initial_abundance       Initial house finch abundance
siri_model_summer       Simulate a _Mycoplasma gallisepticum_ Outbreak
                        in the Breeding Season
siri_model_winter       Simulate a _Mycoplasma gallisepticum_ Outbreak
                        in the Non-Breeding Season
