Download a US national boundary shapefile into R
Download a US national boundary shapefile into R
nation(resolution = "5m", year = NULL, ...)
resolution |
The resolution of the cartographic boundary file. Defaults to '5m'; options include '5m' (1:5 million) and '20m' (1:20 million). |
year |
the data year (defaults to 2019). |
... |
arguments to be passed to the underlying 'load_tiger' function, which is not exported.
Options include |
## Not run: library(tigris) library(leaflet) boundary <- nation(resolution = '20m') leaflet(boundary) %>% addTiles() %>% addPolygons() ## End(Not run)
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