# get map packages and their dependencies:

install.packages("gmap")
install.packages("mapproj")
install.packages("rworldmap")

library(ggmap)
library(mapproj)
library(rworldmap)

# These are the easiest to code for
# map of Europe

eumap=get_map(location='Europe',zoom=4)
ggmap(eumap)

# US map
usmap=get_map(location='United States',zoom=4)
ggmap(usmap)

# map of world, no colors
newmap=getMap(resolution="low")
plot(newmap)

# more complex coding for maps