DataScienceToolkit is no more, so need to change the engine for georeferencing to google. But note that google now requires registration to get API key, which means have to code in this change if wish to continue using ggmap. opencage or geonames may be alternatives not requiring registration.
DataScienceToolkit is no more, so need to change the engine for georeferencing to google. But note that google now requires registration to get API key, which means have to code in this change if wish to continue using ggmap.
opencage
orgeonames
may be alternatives not requiring registration.