Find an unused column name in a dataframe

Generates a unique column name by appending an integer to a prefix. Iteratively checks for column_prefix1, column_prefix2, etc. until finding a name that doesn't exist in the dataframe.

Usage

.get_unused_column(df, column_prefix)

Arguments

df

Data frame to check for existing column names

column_prefix

Character prefix for the column name

Value

Character string of an unused column name (e.g., "prefix1", "prefix2")