dformula (version 1.0)

rename: Rename variables

Description

Rename variables using formulas

Usage

rename(from, formula, ...)

Value

The original data.frame with changed column names

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

Author

Alessio Serafini

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

Examples

data("airquality")
dt <- airquality

head(rename(from = dt, Ozone ~ Ozone1))
head(rename(from = dt, Ozone + Wind ~ Ozone_new + Wind_new))