| mtcars {base} | R Documentation |
Motor Trend Road Tests
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).
Usage
data(mtcars)Format
A data frame with 32 observations on 11 variables.
| [, 1] | mpg | Miles/(US) gallon |
| [, 2] | cyl | Number of cylinders |
| [, 3] | disp | Displacement (cu.in.) |
| [, 4] | hp | Gross horsepower |
| [, 5] | drat | Rear axle ratio |
| [, 6] | wt | Weight (lb/1000) |
| [, 7] | qsec | 1/4 mile time |
| [, 8] | vs | V/S |
| [, 9] | am | Transmission (0 = automatic, 1 = manual) |
| [,10] | gear | Number of forward gears |
| [,11] | carb | Number of carburettors |
Source
Henderson and Velleman (1981), Building multiple regression models interactively. Biometrics, 37, 391–411.
Examples
data(mtcars)
pairs(mtcars, main = "mtcars data")
coplot(mpg ~ disp | as.factor(cyl), data = mtcars,
panel = panel.smooth, rows = 1)