Reference

All functions
GPE_geocode()	GPE_geocode
GPE_get_basemap()	GPE_get_basemap
GPE_plot_map()	GPE_plot_map
GPE_plot_travel()	GPE_plot_travel
GPE_summary()	GPE_summary
GPE_travel_time_dist()	GPE_travel_time_dist
participants	Made up locations in Buenos Aires, Argentina
participants	Made up participants
schools	Ten public schools in Buenos Aires, Argentina
visits	Made up visits
visits_timedist	Made up visits, with trip duration and distance