countries               Countries from naturalearth
dplyr.methods           Methods for 'dplyr"s verbs
labels.countries        Compute a unique 'sf' to optimize the position
                        of labels
ne_countries            Countries of naturalearth
ne_towns                Populated places of naturalearth
plot.countries          Basic plot function for 'countries' objects
slave_trade             Slave trade and economic development
sp_solow                Solow's growth model with spatial correlation
towns                   Populated places from naturalearth
utm                     Universal Transverse Mercator projection
