!!better!! Download Gadm Data Version 36 Work
usa_shp <- st_read("gadm36_USA_1.shp")
# Plotting to verify plot(st_geometry(country_shape))
If you are running global models, download the complete world database. Note: Global files are large and require significant RAM to process. Understanding the GADM Layer Hierarchy download gadm data version 36 work
GADM 3.6 uses UTF-8 but some shapefile DBFs are read as ANSI.
Once you have downloaded the data (usually compressed as a .zip or .7z file), you need to extract and load it. usa_shp <- st_read("gadm36_USA_1
To download and use GADM version 3.6:
Open QGIS, go to Layer > Add Layer > Add Vector Layer . Browse to your downloaded GADM 3.6 Geopackage or Shapefile and click Add . download gadm data version 36 work
The data is free for academic and non-commercial use. Redistribution or commercial use requires prior permission.