Investiate urban and rural for HIV

[athowes]

#' Largest five districts by population according to Wikipedia
big5 <- list(
  # https://en.wikipedia.org/wiki/Regions_of_Ivory_Coast
  "Cote d'Ivoire" = c("Abidjan", "Lagunes", "Woroba", "Savanes", "Lacs"),
  # https://en.wikipedia.org/wiki/Districts_of_Malawi
  "Malawi" = c("Lilongwe", "Blantyre", "Mzimba", "Mangochi", "Zomba"),
  # https://en.wikipedia.org/wiki/Districts_of_Tanzania
  "Tanzania" = c("Temeke", "Kinondoni", "Ilala", "Geita", "Sengerema"),
  # https://en.wikipedia.org/wiki/Districts_of_Zimbabwe
  "Zimbabwe" = c("Harare", "Shurugwi", "Bulawayo", "Mutare", "Gokwe South")
)

Look at the score cloropleths? Score by some measure of urbanicity?