tigris (version 0.9.4)

native_areas: Download an American Indian / Alaska Native / Native Hawaiian Areas shapefile into R.

Description

Description from the Census Bureau: "This shapefile contain both legal and statistical American Indian, Alaska Native, and Native Hawaiian entities for which the Census Bureau publishes data. The legal entities consist of federally recognized American Indian reservations and off-reservation trust land areas, state-recognized American Indian reservations, and Hawaiian home lands (HHLs)." For more information, please see the link provided.

Usage

native_areas(cb = FALSE, year = NULL, ...)

Arguments

cb

If cb is set to TRUE, download a generalized (1:500k) file. Defaults to FALSE (the most detailed TIGER/Line file)

year

the data year (defaults to 2018).

...

arguments to be passed to the underlying `load_tiger` function, which is not exported. Options include class, which can be set to "sp" (the default) or "sf" to request sp or sf class objects, and refresh, which specifies whether or not to re-download shapefiles (defaults to FALSE).

See Also

https://www2.census.gov/geo/pdfs/reference/GARM/Ch5GARM.pdf

Other native/tribal geometries functions: alaska_native_regional_corporations(), tribal_block_groups(), tribal_census_tracts(), tribal_subdivisions_national()

Examples

# NOT RUN {
library(tigris)
library(ggplot2)
library(ggthemes)

nat <- native_areas(cb = TRUE)

nat_map <- fortify(nat)

gg <- ggplot()
gg <- gg + geom_map(data=nat_map, map=nat_map,
                    aes(x=long, y=lat, map_id=id),
                    color="black", fill="white", size=0.25)
gg <- gg + coord_map(xlim=c(-179.1506, -129.9795),  # alaska
                     ylim=c(51.2097, 71.4410))
gg <- gg + theme_map()
gg
# }