Rename variables

Rename variables using formulas

Usage

rename(from, formula, ...)

Arguments

from

a data.frame object with variables

formula

a formula indicating the operation to create new varibles. Look at the detail section for explanantion.

...

further arguments

Details

The formula is composed of two part:

column_names ~ new_variables_name

the left-hand side select the columns to change the names, and the right-hand the new names of the selected columns

For example:

column_names1 + column_names2 ~ new_variables_name1 + new_variables_name2

the name of the column 1 and the name of the column 2 are changed in new_variables_name1 and new_variables_name2

Value

The original data.frame with changed column names

Author

Alessio Serafini

Examples

data("airquality")
dt <- airquality

head(rename(from = dt, Ozone ~ Ozone1))
#>   Ozone1 Solar.R Wind Temp Month Day
#> 1     41     190  7.4   67     5   1
#> 2     36     118  8.0   72     5   2
#> 3     12     149 12.6   74     5   3
#> 4     18     313 11.5   62     5   4
#> 5     NA      NA 14.3   56     5   5
#> 6     28      NA 14.9   66     5   6
head(rename(from = dt, Ozone + Wind ~ Ozone_new + Wind_new))
#>   Ozone_new Solar.R Wind_new Temp Month Day
#> 1        41     190      7.4   67     5   1
#> 2        36     118      8.0   72     5   2
#> 3        12     149     12.6   74     5   3
#> 4        18     313     11.5   62     5   4
#> 5        NA      NA     14.3   56     5   5
#> 6        28      NA     14.9   66     5   6