Clear labels from variables in data frames

e_data_var_labels_clear(dat)

Arguments

dat: a data.frame or list of data.frames with attributes "label" to remove

Value

dat the same object with attribute "label" removed (set to NULL)

Examples

# a single data.frame
dat <- dat_mtcars_e
dat %>% str()
#> tibble [32 × 12] (S3: tbl_df/tbl/data.frame)
#>  $ model: chr [1:32] "Mazda RX4" "Mazda RX4 Wag" "Datsun 710" "Hornet 4 Drive" ...
#>   ..- attr(*, "label")= chr "Model"
#>  $ mpg  : num [1:32] 21 21 22.8 21.4 18.7 18.1 14.3 24.4 22.8 19.2 ...
#>   ..- attr(*, "label")= chr "Miles/(US) gallon"
#>  $ cyl  : Factor w/ 3 levels "four","six","eight": 2 2 1 2 3 2 3 1 1 2 ...
#>   ..- attr(*, "label")= chr "Number of cylinders"
#>  $ disp : num [1:32] 160 160 108 258 360 ...
#>   ..- attr(*, "label")= chr "Displacement (cu.in.)"
#>  $ hp   : num [1:32] 110 110 93 110 175 105 245 62 95 123 ...
#>   ..- attr(*, "label")= chr "Gross horsepower"
#>  $ drat : num [1:32] 3.9 3.9 3.85 3.08 3.15 2.76 3.21 3.69 3.92 3.92 ...
#>   ..- attr(*, "label")= chr "Rear axle ratio"
#>  $ wt   : num [1:32] 2.62 2.88 2.32 3.21 3.44 ...
#>   ..- attr(*, "label")= chr "Weight (1000 lbs)"
#>  $ qsec : num [1:32] 16.5 17 18.6 19.4 17 ...
#>   ..- attr(*, "label")= chr "1/4 mile time"
#>  $ vs   : Factor w/ 2 levels "V-shaped","straight": 1 1 2 2 1 2 1 2 2 2 ...
#>   ..- attr(*, "label")= chr "Engine"
#>  $ am   : Factor w/ 2 levels "automatic","manual": 2 2 2 1 1 1 1 1 1 1 ...
#>   ..- attr(*, "label")= chr "Transmission"
#>  $ gear : num [1:32] 4 4 4 3 3 3 3 4 4 4 ...
#>   ..- attr(*, "label")= chr "Number of forward gears"
#>  $ carb : num [1:32] 4 4 1 1 2 1 4 2 2 4 ...
#>   ..- attr(*, "label")= chr "Number of carburetors"
dat %>% e_data_var_labels_clear() %>% str()
#> tibble [32 × 12] (S3: tbl_df/tbl/data.frame)
#>  $ model: chr [1:32] "Mazda RX4" "Mazda RX4 Wag" "Datsun 710" "Hornet 4 Drive" ...
#>  $ mpg  : num [1:32] 21 21 22.8 21.4 18.7 18.1 14.3 24.4 22.8 19.2 ...
#>  $ cyl  : Factor w/ 3 levels "four","six","eight": 2 2 1 2 3 2 3 1 1 2 ...
#>  $ disp : num [1:32] 160 160 108 258 360 ...
#>  $ hp   : num [1:32] 110 110 93 110 175 105 245 62 95 123 ...
#>  $ drat : num [1:32] 3.9 3.9 3.85 3.08 3.15 2.76 3.21 3.69 3.92 3.92 ...
#>  $ wt   : num [1:32] 2.62 2.88 2.32 3.21 3.44 ...
#>  $ qsec : num [1:32] 16.5 17 18.6 19.4 17 ...
#>  $ vs   : Factor w/ 2 levels "V-shaped","straight": 1 1 2 2 1 2 1 2 2 2 ...
#>  $ am   : Factor w/ 2 levels "automatic","manual": 2 2 2 1 1 1 1 1 1 1 ...
#>  $ gear : num [1:32] 4 4 4 3 3 3 3 4 4 4 ...
#>  $ carb : num [1:32] 4 4 1 1 2 1 4 2 2 4 ...
# a list of data.frames
dat <- list(dat_mtcars_e, dat_mtcars_e)
dat %>% str()
#> List of 2
#>  $ : tibble [32 × 12] (S3: tbl_df/tbl/data.frame)
#>   ..$ model: chr [1:32] "Mazda RX4" "Mazda RX4 Wag" "Datsun 710" "Hornet 4 Drive" ...
#>   .. ..- attr(*, "label")= chr "Model"
#>   ..$ mpg  : num [1:32] 21 21 22.8 21.4 18.7 18.1 14.3 24.4 22.8 19.2 ...
#>   .. ..- attr(*, "label")= chr "Miles/(US) gallon"
#>   ..$ cyl  : Factor w/ 3 levels "four","six","eight": 2 2 1 2 3 2 3 1 1 2 ...
#>   .. ..- attr(*, "label")= chr "Number of cylinders"
#>   ..$ disp : num [1:32] 160 160 108 258 360 ...
#>   .. ..- attr(*, "label")= chr "Displacement (cu.in.)"
#>   ..$ hp   : num [1:32] 110 110 93 110 175 105 245 62 95 123 ...
#>   .. ..- attr(*, "label")= chr "Gross horsepower"
#>   ..$ drat : num [1:32] 3.9 3.9 3.85 3.08 3.15 2.76 3.21 3.69 3.92 3.92 ...
#>   .. ..- attr(*, "label")= chr "Rear axle ratio"
#>   ..$ wt   : num [1:32] 2.62 2.88 2.32 3.21 3.44 ...
#>   .. ..- attr(*, "label")= chr "Weight (1000 lbs)"
#>   ..$ qsec : num [1:32] 16.5 17 18.6 19.4 17 ...
#>   .. ..- attr(*, "label")= chr "1/4 mile time"
#>   ..$ vs   : Factor w/ 2 levels "V-shaped","straight": 1 1 2 2 1 2 1 2 2 2 ...
#>   .. ..- attr(*, "label")= chr "Engine"
#>   ..$ am   : Factor w/ 2 levels "automatic","manual": 2 2 2 1 1 1 1 1 1 1 ...
#>   .. ..- attr(*, "label")= chr "Transmission"
#>   ..$ gear : num [1:32] 4 4 4 3 3 3 3 4 4 4 ...
#>   .. ..- attr(*, "label")= chr "Number of forward gears"
#>   ..$ carb : num [1:32] 4 4 1 1 2 1 4 2 2 4 ...
#>   .. ..- attr(*, "label")= chr "Number of carburetors"
#>  $ : tibble [32 × 12] (S3: tbl_df/tbl/data.frame)
#>   ..$ model: chr [1:32] "Mazda RX4" "Mazda RX4 Wag" "Datsun 710" "Hornet 4 Drive" ...
#>   .. ..- attr(*, "label")= chr "Model"
#>   ..$ mpg  : num [1:32] 21 21 22.8 21.4 18.7 18.1 14.3 24.4 22.8 19.2 ...
#>   .. ..- attr(*, "label")= chr "Miles/(US) gallon"
#>   ..$ cyl  : Factor w/ 3 levels "four","six","eight": 2 2 1 2 3 2 3 1 1 2 ...
#>   .. ..- attr(*, "label")= chr "Number of cylinders"
#>   ..$ disp : num [1:32] 160 160 108 258 360 ...
#>   .. ..- attr(*, "label")= chr "Displacement (cu.in.)"
#>   ..$ hp   : num [1:32] 110 110 93 110 175 105 245 62 95 123 ...
#>   .. ..- attr(*, "label")= chr "Gross horsepower"
#>   ..$ drat : num [1:32] 3.9 3.9 3.85 3.08 3.15 2.76 3.21 3.69 3.92 3.92 ...
#>   .. ..- attr(*, "label")= chr "Rear axle ratio"
#>   ..$ wt   : num [1:32] 2.62 2.88 2.32 3.21 3.44 ...
#>   .. ..- attr(*, "label")= chr "Weight (1000 lbs)"
#>   ..$ qsec : num [1:32] 16.5 17 18.6 19.4 17 ...
#>   .. ..- attr(*, "label")= chr "1/4 mile time"
#>   ..$ vs   : Factor w/ 2 levels "V-shaped","straight": 1 1 2 2 1 2 1 2 2 2 ...
#>   .. ..- attr(*, "label")= chr "Engine"
#>   ..$ am   : Factor w/ 2 levels "automatic","manual": 2 2 2 1 1 1 1 1 1 1 ...
#>   .. ..- attr(*, "label")= chr "Transmission"
#>   ..$ gear : num [1:32] 4 4 4 3 3 3 3 4 4 4 ...
#>   .. ..- attr(*, "label")= chr "Number of forward gears"
#>   ..$ carb : num [1:32] 4 4 1 1 2 1 4 2 2 4 ...
#>   .. ..- attr(*, "label")= chr "Number of carburetors"
dat %>% e_data_var_labels_clear() %>% str()
#> List of 2
#>  $ : tibble [32 × 12] (S3: tbl_df/tbl/data.frame)
#>   ..$ model: chr [1:32] "Mazda RX4" "Mazda RX4 Wag" "Datsun 710" "Hornet 4 Drive" ...
#>   ..$ mpg  : num [1:32] 21 21 22.8 21.4 18.7 18.1 14.3 24.4 22.8 19.2 ...
#>   ..$ cyl  : Factor w/ 3 levels "four","six","eight": 2 2 1 2 3 2 3 1 1 2 ...
#>   ..$ disp : num [1:32] 160 160 108 258 360 ...
#>   ..$ hp   : num [1:32] 110 110 93 110 175 105 245 62 95 123 ...
#>   ..$ drat : num [1:32] 3.9 3.9 3.85 3.08 3.15 2.76 3.21 3.69 3.92 3.92 ...
#>   ..$ wt   : num [1:32] 2.62 2.88 2.32 3.21 3.44 ...
#>   ..$ qsec : num [1:32] 16.5 17 18.6 19.4 17 ...
#>   ..$ vs   : Factor w/ 2 levels "V-shaped","straight": 1 1 2 2 1 2 1 2 2 2 ...
#>   ..$ am   : Factor w/ 2 levels "automatic","manual": 2 2 2 1 1 1 1 1 1 1 ...
#>   ..$ gear : num [1:32] 4 4 4 3 3 3 3 4 4 4 ...
#>   ..$ carb : num [1:32] 4 4 1 1 2 1 4 2 2 4 ...
#>  $ : tibble [32 × 12] (S3: tbl_df/tbl/data.frame)
#>   ..$ model: chr [1:32] "Mazda RX4" "Mazda RX4 Wag" "Datsun 710" "Hornet 4 Drive" ...
#>   ..$ mpg  : num [1:32] 21 21 22.8 21.4 18.7 18.1 14.3 24.4 22.8 19.2 ...
#>   ..$ cyl  : Factor w/ 3 levels "four","six","eight": 2 2 1 2 3 2 3 1 1 2 ...
#>   ..$ disp : num [1:32] 160 160 108 258 360 ...
#>   ..$ hp   : num [1:32] 110 110 93 110 175 105 245 62 95 123 ...
#>   ..$ drat : num [1:32] 3.9 3.9 3.85 3.08 3.15 2.76 3.21 3.69 3.92 3.92 ...
#>   ..$ wt   : num [1:32] 2.62 2.88 2.32 3.21 3.44 ...
#>   ..$ qsec : num [1:32] 16.5 17 18.6 19.4 17 ...
#>   ..$ vs   : Factor w/ 2 levels "V-shaped","straight": 1 1 2 2 1 2 1 2 2 2 ...
#>   ..$ am   : Factor w/ 2 levels "automatic","manual": 2 2 2 1 1 1 1 1 1 1 ...
#>   ..$ gear : num [1:32] 4 4 4 3 3 3 3 4 4 4 ...
#>   ..$ carb : num [1:32] 4 4 1 1 2 1 4 2 2 4 ...