countyExample: U.S. Legal/Statistical Area Data

countyExampleR Documentation

U.S. Legal/Statistical Area Data

Description

The U.S. legal/statistical areas, their median household income, and a matrix of knots provided only to facilitate illustrative examples.

Usage

data(countyExample)

Format

countyExample contains 3 objects:

county

A SpatialPolygonsDataFrame containing 3109 areas. For each areal unit, the following data are defined

GEO_ID

identifier for legal/statistical area

STATE

state containing the legal/statistical area

NAME

name of the legal/statistical area

LSAD

legal/statistical area description

SHAPE_AREA

area of the county in square meters.

SHAPE_LEN

perimeter of the county in meters.

ACS

A 3109x2 matrix containing the public-use American Community Survey (ACS) 2013 5-year estimated county-level median household income and its variance.

LogMedianIncome

log of the estimated median household income.

VarianceLMI

approximate variance of the log median household income (using the Delta method).

knots

A 75x2 matrix of knots spanning the county data.

x

x coordinate

y

y coordinate

References

U.S. Census Bureau. 2013-2017 American Community Survey 5-year Estimates; generated by Jonathan Bradley; using American FactFinder.


rcage documentation built on June 7, 2022, 1:07 a.m.

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