You’ve got a list of geocoded data points, but due to error or omission, one of them has nothing set as its location. It may still show up on a map. If so, look for its pin to drop on a very specific place in the international waters off the Gulf of Guinea: Null Island. Think of the Gulf of Guinea, part of the South Atlantic Ocean, as Africa’s armpit. It’s the body of water just off the coast of where West Africa bends south to become Central Africa. The…