Reference

All functions
assert_join_map_levels_by()	Check whether the given join_map_levels_by is valid
assert_spdf_list()	Check whether the given spdf_list is a valid spdf_list and has all the required params.
check_draw_ellipsis()	Checks for undesired arguments in ellipsis in $draw_leafdown method
gdp_2014_admin_districts	GPD for administrative districts of Germany for 2014.
gdp_2014_federal_states	GPD for federal states of Germany for 2014.
Leafdown	Leafdown R6 Class
us_election_counties	Results of the 2016 US Presidential Election - County Level
us_election_states	Results of the 2016 US Presidential Election - State Level