native_areas | R Documentation |
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.
native_areas(cb = FALSE, year = NULL, ...)
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 2022 |
... |
arguments to be passed to internal function |
Additional arguments that can be passed in ...
are:
class
Desired class of return object: "sf"
(the default) or "sp"
. sp classes should be considered deprecated as of tigris version 2.0, but legacy support is still available.
progress_bar
If set to FALSE
, do not display download progress bar (helpful for R Markdown documents). Defaults to TRUE
.
keep_zipped_shapefile
If set to TRUE
, do not delete zipped shapefile (stored in temporary directory or TIGRIS_CACHE_DIR
depending on the configuration of global option "tigris_use_cache"
). Defaults to FALSE
.
refresh
Whether to re-download cached shapefiles (TRUE
or FALSE
) . The default is either FALSE
or the value of global
option "tigris_refresh"
if it is set. Specifying this argument will override the behavior set in "tigris_refresh"
global option.
filter_by
Geometry used to filter the output returned by the function. Can be an sf object, an object of class bbox
, or a length-4 vector of format c(xmin, ymin, xmax, ymax)
that can be converted to a bbox. Geometries that intersect the input to filter_by
will be returned.
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()
## Not run:
library(tigris)
library(ggplot2)
library(ggthemes)
nat <- native_areas(cb = TRUE)
gg <- ggplot()
gg <- gg + geom_sf(data = nat, color="black", fill="white", size=0.25)
gg <- gg + coord_sf(xlim=c(-179.1506, -129.9795), # alaska
ylim=c(51.2097, 71.4410))
gg <- gg + theme_map()
gg
## End(Not run)
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