> head(mtcars)
mpg cyl disp hp drat wt qsec vs am gear carb
Mazda RX4 21.0 6 160 110 3.90 2.620 16.46 0 1 4 4
Mazda RX4 Wag 21.0 6 160 110 3.90 2.875 17.02 0 1 4 4
Datsun 710 22.8 4 108 93 3.85 2.320 18.61 1 1 4 1
Hornet 4 Drive 21.4 6 258 110 3.08 3.215 19.44 1 0 3 1
Hornet Sportabout 18.7 8 360 175 3.15 3.440 17.02 0 0 3 2
Valiant 18.1 6 225 105 2.76 3.460 20.22 1 0 3 1
> mtcars %>% as_tibble() %>% mutate(
+ cyl2 = cyl * 2,
+ cyl4 = cyl2 * 2
+ )
# A tibble: 32 x 13
mpg cyl disp hp drat wt qsec vs am gear carb cyl2 cyl4
<dbl> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl> <dbl>
1 21 6 160 110 3.9 2.62 16.5 0 1 4 4 12 24
2 21 6 160 110 3.9 2.88 17.0 0 1 4 4 12 24
3 22.8 4 108 93 3.85 2.32 18.6 1 1 4 1 8 16
4 21.4 6 258 110 3.08 3.22 19.4 1 0 3 1 12 24
5 18.7 8 360 175 3.15 3.44 17.0 0 0 3 2 16 32
6 18.1 6 225 105 2.76 3.46 20.2 1 0 3 1 12 24
7 14.3 8 360 245 3.21 3.57 15.8 0 0 3 4 16 32
8 24.4 4 147. 62 3.69 3.19 20 1 0 4 2 8 16
9 22.8 4 141. 95 3.92 3.15 22.9 1 0 4 2 8 16
10 19.2 6 168. 123 3.92 3.44 18.3 1 0 4 4 12 24
# ... with 22 more rows
> head(mtcars)
mpg cyl disp hp drat wt qsec vs am gear carb
Mazda RX4 21.0 6 160 110 3.90 2.620 16.46 0 1 4 4
Mazda RX4 Wag 21.0 6 160 110 3.90 2.875 17.02 0 1 4 4
Datsun 710 22.8 4 108 93 3.85 2.320 18.61 1 1 4 1
Hornet 4 Drive 21.4 6 258 110 3.08 3.215 19.44 1 0 3 1
Hornet Sportabout 18.7 8 360 175 3.15 3.440 17.02 0 0 3 2
Valiant 18.1 6 225 105 2.76 3.460 20.22 1 0 3 1