co2_ml                  Monthly CO2 records taken at Mauna Loa, since
                        March 1958
covid_vac               Rates of COVID-19 Cases and Deaths by
                        Vaccination Status
female_leaders          Female leaders of independent states.
geom_catenary           Draw a catenary curve
geom_chaikin            Apply Chaikin's corner cutting algorithm to
                        smooth a path
geom_lexis              Display events of different cohorts in form of
                        a lexis charts
geom_pointless          Emphasize some observations with points
