For mapping global data.

Description

Enables mapping of country level and gridded user datasets by facilitating joining to world maps and visualisation options.

Details

Version 1.01 newly uses updated Natural Earth Data for country boundaries.

Author(s)

Andy South

Maintainer: <southandy@gmail.com>

References

Derived from : http://www.naturalearthdata.com/downloads/10m-cultural-vectors/

Examples

data(countriesHigh)            

a high resolution world map, a vector map of 253 country boundaries

Description

A 'SpatialPolygonsDataFrame' [package "sp"] object containing country boundaries derived from Natural Earth data. Polygons are attributed with country codes.

Usage

data(countriesHigh)

Format

The format is: Formal class 'SpatialPolygonsDataFrame' [package "sp"] with 5 slots ..@ data :'data.frame': 253 obs. of 32 variables: .. ..$ ne_10m_adm: Factor w/ 253 levels "ABW","AFG","AGO",..: 1 2 3 4 5 6 7 8 9 10 ... .. ..$ ScaleRank : atomic [1:253] 3 1 1 1 1 1 3 1 1 1 ... .. .. ..- attr(*, "levels")= chr(0) .. ..$ LabelRank : atomic [1:253] 6 2 2 8 5 7 5 2 2 2 ... .. .. ..- attr(*, "levels")= chr(0) .. ..$ FeatureCla: Factor w/ 1 level "Adm-0 country": 1 1 1 1 1 1 1 1 1 1 ... .. ..$ OID_ : atomic [1:253] 18 78 82 48 79 16 81 255 84 85 ... .. .. ..- attr(*, "levels")= chr(0) .. ..$ SOVEREIGNT: Factor w/ 204 levels "Afghanistan",..: 126 1 5 192 2 60 4 191 8 9 ... .. ..$ SOV_A3 : Factor w/ 205 levels "AFG","AGO","ALB",..: 135 1 2 65 3 60 4 5 6 7 ... .. ..$ ADM0_DIF : atomic [1:253] 1 0 0 1 0 1 0 0 0 0 ... .. .. ..- attr(*, "levels")= chr(0) .. ..$ LEVEL : atomic [1:253] 2 2 2 2 2 2 2 2 2 2 ... .. .. ..- attr(*, "levels")= chr(0) .. ..$ TYPE : Factor w/ 7 levels "Country","County",..: 1 7 7 3 7 1 7 7 7 7 ... .. ..$ ADMIN : Factor w/ 253 levels "Afghanistan",..: 14 1 8 9 4 3 7 235 12 13 ... .. ..$ ADM0_A3 : Factor w/ 253 levels "ABW","AFG","AGO",..: 1 2 3 4 5 6 7 8 9 10 ... .. ..$ GEOU_DIF : atomic [1:253] 0 0 0 0 0 0 0 0 0 0 ... .. .. ..- attr(*, "levels")= chr(0) .. ..$ GEOUNIT : Factor w/ 253 levels "Afghanistan",..: 14 1 8 9 4 3 7 236 12 13 ... .. ..$ GU_A3 : Factor w/ 253 levels "ABW","AFG","AGO",..: 1 2 3 4 5 6 7 8 9 10 ... .. ..$ SU_DIF : atomic [1:253] 0 0 0 0 0 0 0 0 0 0 ... .. .. ..- attr(*, "levels")= chr(0) .. ..$ SUBUNIT : Factor w/ 253 levels "Afghanistan",..: 14 1 8 9 4 3 7 236 12 13 ... .. ..$ SU_A3 : Factor w/ 253 levels "ABW","AFG","AGO",..: 1 2 3 4 5 6 7 8 9 10 ... .. ..$ NAME : Factor w/ 250 levels "Afghanistan",..: 14 1 8 9 4 3 7 236 12 13 ... .. ..$ ABBREV : Factor w/ 247 levels "A.C.Is.","Afg.",..: 14 2 9 9 5 4 8 228 12 13 ... .. ..$ POSTAL : Factor w/ 240 levels "A","AE","AF",..: 15 3 9 5 7 5 8 2 11 12 ... .. ..$ NAME_FORMA: Factor w/ 196 levels "Arab Republic of Egypt",..: NA 45 76 NA 75 21 72 NA 2 77 ... .. ..$ TERR_ : Factor w/ 15 levels "Assoc. with N.Z.",..: 13 NA NA 14 NA 8 NA NA NA NA ... .. ..$ NAME_SORT : Factor w/ 253 levels "Afghanistan",..: 14 1 8 9 4 3 7 237 12 13 ... .. ..$ MAP_COLOR : atomic [1:253] 9 7 1 3 6 6 8 3 13 10 ... .. .. ..- attr(*, "levels")= chr(0) .. ..$ POP_EST : atomic [1:253] 103065 28400000 12799293 14436 3639453 ... .. .. ..- attr(*, "levels")= chr(0) .. ..$ GDP_MD_EST: atomic [1:253] 2258 22270 110300 109 21810 ... .. .. ..- attr(*, "levels")= chr(0) .. ..$ FIPS_10_ : atomic [1:253] 0 0 0 0 0 -99 0 0 0 0 ... .. .. ..- attr(*, "levels")= chr(0) .. ..$ ISO_A2 : Factor w/ 237 levels "-99","AD","AE",..: 15 4 9 6 7 1 2 3 11 8 ... .. ..$ ISO_A3 : Factor w/ 251 levels "ABW","AFG","AGO",..: 1 2 3 4 6 5 7 8 9 10 ... .. ..$ ISO_N3 : atomic [1:253] 533 4 24 660 8 248 20 784 32 51 ... .. .. ..- attr(*, "levels")= chr(0) .. ..$ ISO3 : Factor w/ 251 levels "ABW","AFG","AGO",..: 1 2 3 4 6 5 7 8 9 10 ... ..@ polygons :List of 253 .. ..$ :Formal class 'Polygons' [package "sp"] with 5 slots .. .. .. ..@ Polygons :List of 1 .. .. .. .. ..$ :Formal class 'Polygon' [package "sp"] with 5 slots .. .. .. .. .. .. ..@ labpt : num [1:2] -70 12.5 .. .. .. .. .. .. ..@ area : num 0.0141 .. .. .. .. .. .. ..@ hole : logi FALSE .. .. .. .. .. .. ..@ ringDir: int 1 .. .. .. .. .. .. ..@ coords : num [1:26, 1:2] -69.9 -69.9 -69.9 -69.9 -69.9 ... .. .. .. ..@ plotOrder: int 1 .. .. .. ..@ labpt : num [1:2] -70 12.5 .. .. .. ..@ ID : chr "Aruba" .. .. .. ..@ area : num 0.0141

.. .. [list output truncated] ..@ plotOrder : int [1:253] 12 191 39 236 42 33 16 93 120 105 ... ..@ bbox : num [1:2, 1:2] -180 -90 180 83.6 .. ..- attr(*, "dimnames")=List of 2 .. .. ..$ : chr [1:2] "x" "y" .. .. ..$ : chr [1:2] "min" "max" ..@ proj4string:Formal class 'CRS' [package "sp"] with 1 slots .. .. ..@ projargs: chr NA

Details

Derived fron version 1.4.0 of Natural Earth data 1:10 m data.

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 : ne_10

Source

http://www.naturalearthdata.com/downloads/10m-cultural-vectors/

Examples

data(countriesHigh)