In R how to convert Longitude and Latitude to a format that can be used in ggplot2 or ggmap [closed]
问题 Closed . This question needs details or clarity. It is not currently accepting answers. Want to improve this question? Add details and clarify the problem by editing this post. Closed 4 years ago . I got a raw Longitude/Latitude data whose format cannot be processed by R map. So I wonder if there are some R functions or algorithms to help me to convert those raw data into a readable format. (Maybe UTM) Here is the raw data I had: Latitude: "32-14-23 N" "31-04-27 N" "33-45-28 N" Longitude: