countriesLow

0th

Percentile

a low resolution world map, a vector map of 244 country boundaries, suitable for zooming in on regions or large global maps

A 'SpatialPolygonsDataFrame' [package "sp"] object containing country boundaries derived from Natural Earth data. Polygons are attributed with country codes. Derived from version 1.4.0 of Natural Earth data 1:50 m data.

Keywords
datasets
Details

The different country boundaries in rworldmap are processed from Natural Earth Data as follows : All : ~ rename any non-ASCII country names that cause R trouble ~ rename Curacao which is particularly troublesome ! ~ check polygon geometries using checkPolygonsHoles ~ set projections, e.g. proj4string(countriesCoarse) <- CRS("+proj=longlat +ellps=WGS84 +datum=WGS84 +no_defs") ~ set polygon IDs to country names (from ADMIN field) ~ copy ISO_A3 to ISO3 ~ replace missing ISO3 codes (6 in this version) with ADM0_A3 ~ check for duplicate ISO3 codes (2 in this version) ~ set ISO3 for Gaza to Gaza and 'Ashmore and Cartier Islands' to Ashm ~ replace POP_EST of -99 with NA ~ join on countryRegions data

countriesCoarseLessIslands : ne_110 countriesCoarse : ne_110 plus extra countries from ne_50 plus Tuvalu from ne_10 countriesLow : ne_50 plus Tuvalu from ne_10 countriesHigh (in package rworldxtra) : ne_10

Format

The format is: Formal class 'SpatialPolygonsDataFrame' [package "sp"] with 5 slots

Source

http://www.naturalearthdata.com/downloads/50m-cultural-vectors/

Aliases
  • countriesLow
Examples

data(countriesLow)

Documentation reproduced from package rworldmap, version 1.3-6, License: GPL (>= 2)

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