[R] How to draw a map of Europe?

[David Winsemius]

On Mar 19, 2011, at 8:32 PM, Sally Luo wrote:

> Hi R users,
>
> I need to draw a map of select European countries with country names  
> shown
> on the map.  Does anyone know how to do this in R?

Adding a tiny bit to the material produced from a search and finding  
something from Roger Bivand in response to Rense Nieuwenhuis:

http://finzi.psych.upenn.edu/R/Rhelp02/archive/85586.html

require(maps)

  country2001 <- c("Austria", "Belgium", "Switzerland",
  "Czechoslovakia", "Germany", "Denmark", "Spain", "Finland", "France",
  "UK", "Greece", "Hungary", "Ireland", "Israel", "Italy",
  "Luxembourg", "Netherlands", "Norway", "Poland", "Portugal",
  "Sweden", "Slovenia")
  color2001 <- c("green", "yellow","red","red", "red", "red", "red",
  "red", "green", "red", "red", "red", "red", "red", "red", "red",
  "red", "blue", "red", "red", "red", "orange")

europe$names[grep("Sicily", europe$names)] <- "Italy:Sicily"
europe$names[grep("Sardinia", europe$names)] <- "Italy:Sardinia"
match <- match.map(europe,country2001)
color <- color2001[match]
map(database="world", fill=TRUE, col=color,  
xlim=c(-25,70),ylim=c(35,71))

text(0, 45, "France")


>
> Also, is it possible to draw a historical map of European countries  
> using R?
>
> Thanks a lot for your help.
>
> Maomao
>
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David Winsemius, MD
West Hartford, CT