在R中创建地理地图

Question

我想创建一个欧洲国家的地理地图，我可以在其中突出显示哪些国家正在使用特定系统。

我尝试过使用图书馆（地图）但是在这里我找不到绘制整个欧罗巴的选项（并且包中也没有包含几个相关的国家）。有人建议我怎么办？

Answer 1

这个怎么样？

library(rworldmap)
world <- getMap()
europe <- world[world$ADMIN %in% c("Austria","Belgium","Bulgaria","Croatia","Cyprus","Czech Republic","Denmark","Estonia","Finland","France","Germany","Greece","Hungary","Ireland","Italy","Latvia","Lithuania","Luxembourg","Malta","Netherlands","Poland","Portugal","Romania","Slovakia","Slovenia","Spain","Sweden","United Kingdom"), ]

cols <- setNames(rep("yellow", length(europe$ADMIN)), europe$ADMIN) 
cols["France"] <- "blue"; cols["Poland"] <- "red"

plot(europe, col = cols)