A simple guide to plotting maps in R using the High-resolution map data of the World. Examples are given for plotting the whole world, a selection of individual countries, a map of the United Kingdom or adding locations to your map.
Y. Zheng, F. Liu, и H. Hsieh. International Conference on Knowledge Discovery and Data Mining (SIGKDD), стр. 1436--1444. New York, NY, USA, ACM, (2013)