| counties {SDaA} | R Documentation |
Data from an SRS of 100 of the 3141 Counties in the U.S.
Description
Data from an SRS of 100 of the 3141 Counties in the U.S.
Usage
counties
Format
Data frame with the following 18 variables:
- RN
random number used to select the country
- state
state (two-letter abbreviation)
- county
county
- landarea
land area, 1990 (square miles)
- totpop
total population, 1992
- physician
active nonfederal physicians on Jan. 1, 1990
- enroll
school enrollment in elementary or high school, 1990
- percpub
percent of school enrollment in public schools
- civlabor
civilian labor force, 1991
- unemp
number unemployed, 1991
- farmpop
farm population, 1990
- numfarm
number of farms, 1987
- farmacre
acreage in farms, 1987
- fedgrant
total expenditures in federal funds and grants, 1992 (millions of dollars)
- fedciv
civilians employed by federal government, 1990
- milit
military personnel, 1990
- veterans
number of veterans, 1990
- percviet
percentage of veterans from Vietnam era, 1990
Source
U.S. Bureau of Census, 1994
References
Lohr (1999). Sampling: Design and Analysis, Duxbury, p. TODO and 440.