counties: Outline of US counties

In heike/ggmapr: Manipulation of Maps

Description

Data from shapefiles provided by the Census Bureau<e2><80><99>s MAF/TIGER geographic database at https://www.census.gov/geo/maps-data/data/cbf/cbf_state.html. County outlines are based on the 1:20m resolution level. Divisions and regions are based on TIGER/Line Shapefiles for states and equivalents in the 2016 release.

Usage

counties

counties_inset

Format

both objects are data frames consisting of variables of length ~50k:

• long: geographic longitude

• lat: geographic latitude

• order: order of locations

• hole: logical vector

• piece: positive integer value, one for each separate area/island of a county

• id: integer value uniquely identifying each county

• group: character value - composite of id and piece, uniquely identifying each part of each county

• STATEFP: FIPS state code

• COUNTYFP: FIPS county code

• COUNTYNS: GNIS county code

• AFFGEOID: American FactFinder county code

• GEOID: GEOID county code

• NAME: name of county

• ALAND: land area of the county in square meters

• AWATER: water area of the county in square meters

• STATE: name of the state

• STUSPS: US state code

• REGION: integer of US region

• DIVISION: integer of US division

Examples

## Not run: 
library(ggplot2)
library(magrittr)
counties %>% ggplot(aes(x = long, y = lat)) +
  geom_path(aes(group = group))

counties_inset %>% ggplot(aes(x = long, y = lat)) +
  geom_path(aes(group = group))

## End(Not run)

heike/ggmapr documentation built on May 17, 2019, 3:23 p.m.