A helper function to navigate two letter country codes. The geonames dump file places_table uses two letter country codes (iso2c). The places_table includes optional country and region names. If you prefer to look up country codes then use this helper. The function wraps the countrycode lookup function for matching single country names or vectors to two letter country codes. Country and region names are not case sensitive.
places_lookup(name = NULL, type = "country")
| name | A country, region or subregion name. |
|---|---|
| type | Either "country", "region", "subregion" or "intermediate" |
A vector containing a country name or set of two letter country codes for a region or subregion.
The region, subregion and intermediate searches are mainly intdended for use with the allcountries table to group countries by United Nations regions. The function wraps the countrycode package on CRAN function countrycode
Africa
Americas
Asia
Europe
Oceania
Australia and New Zealand
Central Asia
Eastern Asia
Eastern Europe
Latin America and the Caribbean
Melanesia
Micronesia
Northern Africa
Northern America
Northern Europe
Polynesia
South-eastern Asia
Southern Asia
Southern Europe
Sub-Saharan Africa
Western Asia
Western Europe
Caribbean
Central America
Channel Islands
Eastern Africa
Middle Africa
South America
Southern Africa
Western Africa
# NOT RUN {
one <- places_lookup("UK", type = "country"),
two <- places_lookup(c("US", "UK"), type = "country"),
two_names <- places_lookup(c("Kenya", "Tanzania"))
upper <- places_lookup("Africa", type = "region")
africa <- places_lookup("africa", type = "region"),
central_asia <- places_lookup("Central Asia", type = "subregion"),
caribbean <- places_lookup("Caribbean", type = "intermediate")
# }