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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.