rworldmap package

Subtitle

1 Basic Usage

data(countryExData)
countryExData

sPDF <- joinCountryData2Map(countryExData, 
                            joinCode = "ISO3", # the type of code used
                            nameJoinColumn = "ISO3V10") # the name of column containing your country identifiers

149 codes from your data successfully matched countries in the map
0 codes from your data failed to match with a country code in the map
94 codes from the map weren't represented in your data

mapDevice() #create world map shaped window 
mapCountryData(sPDF, 
               nameColumnToPlot = "BIODIVERSITY")

2 Changing some options

sPDF <- joinCountryData2Map(countryExData, 
                            joinCode = "ISO3", # the type of code used
                            nameJoinColumn = "ISO3V10") # the name of column containing your country identifiers

149 codes from your data successfully matched countries in the map
0 codes from your data failed to match with a country code in the map
94 codes from the map weren't represented in your data

mapDevice() #create world map shaped window 
mapCountryData(sPDF, 
               nameColumnToPlot = "BIODIVERSITY",
               colourPalette = "diverging",
               numCats = 5)

3 References

• https://journal.r-project.org/archive/2011-1/RJournal_2011-1_South.pdf