#### 8.2.58.42 tblish.dataset.mtcars ¶

Static Method: `out =` mtcars `()` ¶

  Motor Trend 1974 Car 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).

  #### Format ¶

  `mpg`

    Fuel efficiency in miles/gallon

  `cyl`

    Number of cylinders

  `disp`

    Displacement (cu. in.)

  `hp`

    Gross horsepower

  `drat`

    Rear axle ratio

  `wt`

    Weight (1,000 lbs)

  `qsec`

    1/4 mile time

  `vs`

    Engine type (0 = V-shaped, 1 = straight)

  `am`

    Transmission type (0 = automatic, 1 = manual)

  `gear`

    Number of forward gears

  `carb`

    Number of carburetors

  #### Note ¶

  Henderson and Velleman (1981) comment in a footnote to Table 1: “Hocking [original transcriber]’s noncrucial coding of the Mazda’s rotary engine as a straight six-cylinder engine and the Porsche’s flat engine as a V engine, as well as the inclusion of the diesel Mercedes 240D, have been retained to enable direct comparisons to be made with previous analyses.”

  #### Source ¶

  Henderson and Velleman (1981). Building multiple regression models interactively. Biometrics, 37, 391–411.

  #### Examples ¶

      # TODO: Port this example from R