Create a SpatialPolygonsDataFrame for Native American land.
convertUSIndianLands(nameOnly = FALSE, simplify = TRUE)
Name of the dataset being created.
Logical specifying whether to only return the name without creating the file.
Logical specifying whether to create "_05", _02" and "_01" versions of the file that are simplified to 5%, 2% and 1%.
A Native American land shapefile is downloaded and converted to a
SpatialPolygonsDataFrame with additional columns of data. The resulting file
will be created in the spatial data directory which is set with
setSpatialDataDir()
.
The source data is from 2014.
https://www.sciencebase.gov/catalog/item/5d150464e4b0941bde5b7658
setSpatialDataDir
getVariable