I\'m using the ggmap\'s geocode to find the latitude and longitude of different cities. It worked completely fine yesterday but I get an OVER QUERY LIMIT after only one requ
The request doesn't use a key, which means: you share the quota with all pages hosted on the same server(same IP-address/may be houndreds of domains).
As it seems this library only supports an option for business-users to provide credentials.
There is a feature-request from 2014 , but as long as it's not implemented I'm afraid there is nothing you can do(as a non-business-user) when you use this library(except you modify the library, but I'm not familiar with R so I can't give further help).