- class
 
a character variable with value MINICOMPACT CARS
 
 
- manufacturer
 
a character variable with values AUDI,
BMW, JAGUAR, MERCEDES-BENZ, MITSUBISHI, and
PORSCHE
 
 
- carline
 
a character variable with values 325CI
CONVERTIBLE, 330CI CONVERTIBLE, 911 CARRERA 2/4, 911
TURBO, CLK320 (CABRIOLET), CLK430 (CABRIOLET), ECLIPSE
SPYDER, JAGUAR XK8 CONVERTIBLE, JAGUAR XKR CONVERTIBLE, M3
CONVERTIBLE, TT COUPE, and TT COUPE QUATTRO
 
 
- displ
 
engine displacement (in liters)
 
 
- cyl
 
number of cylinders
 
 
- trans
 
a factor with levels Auto(L5), Auto(S4), Auto(S5),
Manual(M5), and Manual(M6)
 
 
- drv
 
a factor with levels 4(four wheel drive), F(front wheel drive), 
and R(rear wheel drive)
 
 
- cty
 
city mpg
- hwy
 
highway mpg
 
 
- cmb
 
combined city and highway mpg