Learn how GROUPBY passes both subset and full arrays into LAMBDA in Excel, letting you compute percent shares fast and explain results clearly.
FORECAST.ETS applies an exponential triple smoothing (ETS) algorithm to create forecasts that can include trend and seasonal ...
Unlike SUM, which ignores filters, SUBTOTAL dynamically adjusts to display only visible data. It offers 11 built-in functions, with additional options (101-111) that account for hidden rows. When ...