Data frame:counties

3141 observations and 19 variables, maximum # NAs:2956
NameLabelsStorageNAs
countycharacter
0
statecharacter
0
msadouble
2311
pmsadouble
2956
pop.density1992 pop per 1990 miles^2double
0
pop1990 populationdouble
0
pop.change% population change 1980-1992double
0
age6574% age 65-74, 1990double
0
age75% age >= 75, 1990double
0
crimeserious crimes per 100,000 1991double
0
college% with bachelor's degree or higher of those age>=25double
0
incomemedian family income, 1989 dollarsdouble
0
farmfarm population, % of total, 1990double
0
democrat% votes cast for democratic presidentdouble
27
republican% votes cast for republican presidentdouble
27
Perot% votes cast for Ross Perotdouble
27
white% white, 1990double
0
black% black, 1990double
0
turnout1992 votes for president / 1990 pop x 100double
25