Modify data frame according to mapping
Arguments
- data
A data frame object.
- mapping
A mapping from
hcaes
function.- drop
A logical argument to you drop variables or not. Default is
FALSE
Examples
df <- head(mtcars)
mutate_mapping(data = df, mapping = hcaes(x = cyl, y = wt + cyl, group = gear))
#> mpg cyl disp hp drat wt qsec vs am gear carb x y
#> Mazda RX4 21.0 6 160 110 3.90 2.620 16.46 0 1 4 4 6 8.620
#> Mazda RX4 Wag 21.0 6 160 110 3.90 2.875 17.02 0 1 4 4 6 8.875
#> Datsun 710 22.8 4 108 93 3.85 2.320 18.61 1 1 4 1 4 6.320
#> Hornet 4 Drive 21.4 6 258 110 3.08 3.215 19.44 1 0 3 1 6 9.215
#> Hornet Sportabout 18.7 8 360 175 3.15 3.440 17.02 0 0 3 2 8 11.440
#> Valiant 18.1 6 225 105 2.76 3.460 20.22 1 0 3 1 6 9.460
#> group
#> Mazda RX4 4
#> Mazda RX4 Wag 4
#> Datsun 710 4
#> Hornet 4 Drive 3
#> Hornet Sportabout 3
#> Valiant 3
mutate_mapping(data = df, mapping = hcaes(x = cyl, y = wt), drop = TRUE)
#> x y
#> Mazda RX4 6 2.620
#> Mazda RX4 Wag 6 2.875
#> Datsun 710 4 2.320
#> Hornet 4 Drive 6 3.215
#> Hornet Sportabout 8 3.440
#> Valiant 6 3.460