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Create new variables

Source: R/mutate.R
create_vars.Rd

Create new variables by using valid R expressions and returns the result along with tidyverse code used to generate it.

Usage

create_vars(data, vars = ".new_var", vars_expr = NULL)

Arguments

data

a dataframe to which to add new variables to

vars

a character of the new variable names

vars_expr

a character of valid R expressions which can generate vectors of values

Value

original dataframe containing the new columns created from vars_expr with tidyverse code attached

See also

code

Author

Zhaoming Su

Examples

created <- create_vars(
    data = iris,
    vars = "Sepal.Length_less_Sepal.Width",
    "Sepal.Length - Sepal.Width"
)
cat(code(created))
#> iris |> dplyr::mutate(Sepal.Length_less_Sepal.Width = Sepal.Length -   Sepal.Width)
head(created)
#>   Sepal.Length Sepal.Width Petal.Length Petal.Width Species
#> 1          5.1         3.5          1.4         0.2  setosa
#> 2          4.9         3.0          1.4         0.2  setosa
#> 3          4.7         3.2          1.3         0.2  setosa
#> 4          4.6         3.1          1.5         0.2  setosa
#> 5          5.0         3.6          1.4         0.2  setosa
#> 6          5.4         3.9          1.7         0.4  setosa
#>   Sepal.Length_less_Sepal.Width
#> 1                           1.6
#> 2                           1.9
#> 3                           1.5
#> 4                           1.5
#> 5                           1.4
#> 6                           1.5