Add new columns to a data frame by specifying their names and a value to
initialize them with.
Usage
add_columns(df, cols, value = NA)
Arguments
- df
The data frame to extend.
- cols
The vector containing new column names.
- value
The values stored in the newly added columns. NA by default.
Value
A data frame containing with the same columns as the df argument
as well as the new columns specified in the cols argument.