This function reads administrative boundary shapefiles from the
geoBoundaries global database (version 5.0.0). The data are unzipped
to a temporary directory and returned as an sf object.
References
Runfola D, Anderson A, Baier H, Crittenden M, Dowker E, Fuhrig S, Goodman S, Grimsley G, Layko R, Melville G, Mulder M, Oberman R, Panganiban J, Peck A, Seitz L, Shea S, Slevin H, Youngerman R, Hobbs L (2020). “geoBoundaries: A Global Database of Political Administrative Boundaries.” PLOS ONE, 15(4), e0231866. ISSN 1932-6203. doi:10.1371/journal.pone.0231866 .
See also
get_pgfile for file retrieval,
st_read for spatial data input