statepop {SDaA}

Unequal-Probability Sample of Counties in the US

Description

counties selected with probability proportional to 1992 population

Usage

statepop

Format

state

state abbreviation

county

county

landarea

land area of country, 1990 (square miles)

popn

population of county, 1992

phys

number of physicians, 1990

farmpop

farm population, 1990

numfarm

number of farms, 1987

farmacre

number of acres devoted to farming, 1987

veterans

number of veterans, 1990

percviet

percent of veterans from Vietnam era, 1990

Source

City and Counties Book, 1994

References

Lohr (1999). Sampling: Design and Analysis, Duxbury, p. 190 – 192 and 444.