Create a SpatialPolygonsDataFrame for US states
convertUSCensusStates(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 US state borders 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 2019.
setSpatialDataDir
getState
getCode
getName