| "mtcars" <- |
| structure(list(mpg = c(21, 21, 22.8, 21.4, 18.7, 18.1, 14.3, 24.4, 22.8, |
| 19.2, 17.8, 16.4, 17.3, 15.2, 10.4, 10.4, 14.7, 32.4, 30.4, 33.9, 21.5, |
| 15.5, 15.2, 13.3, 19.2, 27.3, 26, 30.4, 15.8, 19.7, 15, 21.4), cyl = c(6, |
| 6, 4, 6, 8, 6, 8, 4, 4, 6, 6, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 8, 8, 8, 8, |
| 4, 4, 4, 8, 6, 8, 4), disp = c(160, 160, 108, 258, 360, 225, 360, 146.7, |
| 140.8, 167.6, 167.6, 275.8, 275.8, 275.8, 472, 460, 440, 78.7, 75.7, 71.1, |
| 120.1, 318, 304, 350, 400, 79, 120.3, 95.1, 351, 145, 301, 121), hp = c(110, |
| 110, 93, 110, 175, 105, 245, 62, 95, 123, 123, 180, 180, 180, 205, 215, |
| 230, 66, 52, 65, 97, 150, 150, 245, 175, 66, 91, 113, 264, 175, 335, 109 |
| ), drat = c(3.9, 3.9, 3.85, 3.08, 3.15, 2.76, 3.21, 3.69, 3.92, 3.92, 3.92, |
| 3.07, 3.07, 3.07, 2.93, 3, 3.23, 4.08, 4.93, 4.22, 3.7, 2.76, 3.15, 3.73, |
| 3.08, 4.08, 4.43, 3.77, 4.22, 3.62, 3.54, 4.11), wt = c(2.62, 2.875, 2.32, |
| 3.215, 3.44, 3.46, 3.57, 3.19, 3.15, 3.44, 3.44, 4.07, 3.73, 3.78, 5.25, |
| 5.424, 5.345, 2.2, 1.615, 1.835, 2.465, 3.52, 3.435, 3.84, 3.845, 1.935, |
| 2.14, 1.513, 3.17, 2.77, 3.57, 2.78), qsec = c(16.46, 17.02, 18.61, 19.44, |
| 17.02, 20.22, 15.84, 20, 22.9, 18.3, 18.9, 17.4, 17.6, 18, 17.98, 17.82, |
| 17.42, 19.47, 18.52, 19.9, 20.01, 16.87, 17.3, 15.41, 17.05, 18.9, 16.7, |
| 16.9, 14.5, 15.5, 14.6, 18.6), vs = c(0, 0, 1, 1, 0, 1, 0, 1, 1, 1, 1, |
| 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 1, 0, 1, 0, 0, 0, 1), am = c(1, |
| 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0, 0, 0, |
| 1, 1, 1, 1, 1, 1, 1), gear = c(4, 4, 4, 3, 3, 3, 3, 4, 4, 4, 4, 3, 3, 3, |
| 3, 3, 3, 4, 4, 4, 3, 3, 3, 3, 3, 4, 5, 5, 5, 5, 5, 4), carb = c(4, 4, 1, |
| 1, 2, 1, 4, 2, 2, 4, 4, 3, 3, 3, 4, 4, 4, 1, 2, 1, 1, 2, 2, 4, 2, 1, 2, |
| 2, 4, 6, 8, 2)), row.names = c("Mazda RX4", "Mazda RX4 Wag", "Datsun 710", |
| "Hornet 4 Drive", "Hornet Sportabout", "Valiant", "Duster 360", "Merc 240D", |
| "Merc 230", "Merc 280", "Merc 280C", "Merc 450SE", "Merc 450SL", "Merc 450SLC", |
| "Cadillac Fleetwood", "Lincoln Continental", "Chrysler Imperial", "Fiat 128", |
| "Honda Civic", "Toyota Corolla", "Toyota Corona", "Dodge Challenger", |
| "AMC Javelin", "Camaro Z28", "Pontiac Firebird", "Fiat X1-9", "Porsche 914-2", |
| "Lotus Europa", "Ford Pantera L", "Ferrari Dino", "Maserati Bora", |
| "Volvo 142E"), class = "data.frame") |