1 Motor Trend Car Road Tests

1.1 Description

The data was extracted from the 1974 Motor Trend US magazine, and comprises fuel consumption and 10 aspects of automobile design and performance for 32 automobiles (1973–74 models).

1.2 Usage

mtcars

1.3 Format

A data frame with 32 observations on 11 (numeric) variables.

  • mpg Miles/(US) gallon
  • cyl Number of cylinders
  • disp Displacement (cu.in.)
  • hp Gross horsepower
  • drat Rear axle ratio
  • wt Weight (1000 lbs)
  • qsec 1/4 mile time
  • vs Engine (0 = V-shaped, 1 = straight)
  • am Transmission (0 = automatic, 1 = manual)
  • gear Number of forward gears
  • carb Number of carburetors

Formula to convert mpg: \[ mpg=\frac{miles\;traveled}{gallons\;of\;gas} \]