loadCoordUS | R Documentation |
Loads and returns names, ids, and coordinates for USA, to use with mapping
functions and other "map" functions that accept an sf
object.
loadCoordUS(unit = c("country", "region", "division", "state",
"county", "district", "district_county", "urban_area"),
year = c("2018"), scale = c("20", "50", "500"),
unit_subset = NULL, matchWith = NULL, dir = NULL,
use_cache = TRUE, use_internet = TRUE, crs = NULL)
unit |
type of USA unit to link |
year |
year of the analysis |
scale |
the scale of the map |
unit_subset |
character vector of unit names to extract |
matchWith |
the type of id |
dir |
local directory in which shape files are stored |
use_cache |
a logical value indicating whether to use the cache |
use_internet |
a logical value indicating wheter the coordinates are downloaded from https://github.com/dataallaround/geospatial. If |
crs |
coordinate reference system. Look at |
Coordinates are downloaded from the Github repo https://github.com/dataallaround/geospatial from US folder https://github.com/dataallaround/geospatial/tree/master/US.
If unit
is not specified, borders of the USA countries are loaded.
A data.frame object with columns indicating names, ids, and the geometry to map.
Alessio Serafini
https://github.com/dataallaround/geospatial
loadCoordIT
, loadCoordWR
, loadCoordDE
, loadCoordUK
, , loadCoordEU
US_coords = loadCoordUS(unit = "state")
str(US_coords)
coords_us<- loadCoordUS(unit = "state", unit_subset = c("Florida", "California"))
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