metric_forge.finance.polars_ext.IncomeStatement_Polars.gross_profit_margin#

IncomeStatement_Polars.gross_profit_margin( revenue_column: str, cogs_column: str, ) → Expr[source]#

Calculate gross profit margin.

Parameters: - revenue_column (str): The column containing total revenue. - cogs_column (str): The column containing cost of goods sold (COGS).