leaflet-how-to-lie-with-maps learn to detect bias by creating opposing maps of the same data links (replace with your own) Map https://handsondataviz.github.io/leaflet-how-to-lie-with-maps/ Google Sheet https://docs.google.com/spreadsheets/d/13bFHsXJtADIkUCGgjpO76RjrV0OAu62hzK-J3bXEVsk/edit#gid=0