PaleoPopModel           R6 class representing a population model for
                        the paleopop simulator
PaleoPopResults         R6 class representing paleopop simulator
                        results.
PaleoRegion             R6 class representing a paleontological region.
bison_hs_raster         Bison vignette habitat suitability raster
paleopop                paleopop: Ensemble population modeling and
                        simulation on paleo time scales
paleopop_simulator      Runs a customized population model simulation.
region_subset           Function generates a region subset of matrix
                        values based on a subset of coordinates within
                        the original region (using nearest spatial
                        neighbor if coordinates differ).
siberia_raster          Bison vignette Siberia raster
