1. cdom::spectra
    CDOM absorption data.
  2. eemR::absorbance
    CDOM absorbance data.
  3. gtrendsR::categories
    Google Trends categories.
  4. gtrendsR::countries
    Word countries ISO code.
  5. rnaturalearth::countries110
    world country polygons from Natural Earth
  6. rnaturalearth::df_layers_cultural
    list of cultural layers available from Natural Earth
  7. rnaturalearth::df_layers_physical
    list of physical layers available from Natural Earth
  8. rnaturalearthdata::coastline110
    world coastlines from Natural Earth
  9. rnaturalearthdata::coastline50
    world coastlines from Natural Earth
  10. rnaturalearthdata::countries110
    world country polygons from Natural Earth
  11. rnaturalearthdata::countries50
    world country polygons from Natural Earth
  12. rnaturalearthdata::map_units110
    world map_unit polygons from Natural Earth
  13. rnaturalearthdata::map_units50
    world map_unit polygons from Natural Earth
  14. rnaturalearthdata::sovereignty110
    world sovereignty polygons from Natural Earth
  15. rnaturalearthdata::sovereignty50
    world sovereignty polygons from Natural Earth
  16. rnaturalearthdata::states50
    state (admin level 1) polygons from Natural Earth
  17. rnaturalearthdata::tiny_countries110
    tiny countries points from Natural Earth
  18. rnaturalearthdata::tiny_countries50
    tiny countries points from Natural Earth