boundaries: Boundaries for U.S. states, counties, or commuting zones

In dcl-docs/ussf: U.S. boundaries for states, counties, and commuting zones

Description

Boundaries for U.S. states, counties, or commuting zones as sf object.

Usage

boundaries(
  geography = c("state", "county", "cz"),
  resolution = c("20m", "5m", "500k"),
  projection = c("albers", "longlat")
)

Arguments

geography	One of: "state" (Default) "county" "cz" Commuting zone.
resolution	One of: "20m" 1:20,000,000 (Default) "5m" 1:5,000,000 "500k" 1:500,000
projection	One of: "albers" Albers equal area with Alaska and Hawaii scaled and below contiguous states. (Default) "longlat" Longitude and latitude.

Details

The default 1:20,000,000 resolution is suitable for maps of the entire U.S. The other two higher resolutions are suitable for maps of smaller areas. The default Albers equal area projection is suitable for maps of the entire U.S. The longitude and latitude projection is suitable for maps of smaller areas.

Value

An sf object.

Source

U.S. Census Bureau. 2018 Cartographic Boundary Shapefiles.

USDA Economic Research Service. 1990 Commuting Zones.

Examples

counties <- boundaries(geography = "county")

dcl-docs/ussf documentation built on Jan. 2, 2020, 7:46 a.m.