Filtering archaeological sites

Code to reproduce analyses and plots from the Nature paper below. If you use this code please cite this paper:

Hallett, E.Y., Leonardi, M., Cerasoni, J.N., Will, M., Beyer, R., Krapp, M., Kandel, A.W., Manica, A., Scerri, E.M.L. Major expansion in the human niche preceded out of Africa dispersal. Nature. DOI : 10.1038/s41586-025-09154-0.