blockGroupShp: Polygon layer of Dallas County, TX, census block groups

In TexMix: Supporting Functions and Data for Geo-Spatial Analytics Courses at UTDallas, Texas

Description

Block groups in Dallas County, Texas, in the longitude and latitude format (see proj4string=CRS("+proj=longlat +ellps=WGS84")).

Note: Several fields have missing observations and several variables are reported as absolute numbers.

Format

Spatial polygon data-frame with 1669 block groups. The variables are as follows:

ID

Internal ID.

BLOCKGROUP

Factor with the Census Bureau's block group number.

TRACT

Factor with the Census Bureau's tract numbers.

AREA

Calculated area of the block group in square miles.

LANDAREA

Land area of the block group in square miles.

WATERAREA

Water area of the block group in square miles.

DAYPOP

Caliper's estimate of the absolute day time population 16 yrs and older.

NIGHTPOP

Census's night time population counts in a block group.

MEDAGE

Median population age in a block group.

WHITE

Absolute number of white population in a block group.

PCTBLACK

Absolute number of black population in a block group.

PCTASIAN

Absolute number of asian population in a block group.

PCTHISPAN

Absolute number of hispanic population in a block group.

PCTHIGH

% of population 25+ with a high school degree.

PCTUNIVDEG

% of population 25+ with a univeristy degrees.

TIME2WORK

Average travel time to work. Attention: 1421 NA's.

PERCAPINC

Per capita income in $.

HOUSEUNITS

Absolute number of housing units

PCTOWNVAC

% of vacant owner occupied housing units.

PCTRENTVAC

% of vacant rental housing units.

Source

Based on 2018 ACS data, which were retrieved from Maptitude (https://www.caliper.com/).

Examples

data(blockGroupShp)
sp::summary(blockGroupShp)

TexMix documentation built on March 1, 2020, 5:10 p.m.