Learn the difference between Excel COUNT and COUNTA, plus TEXTBEFORE and TEXTAFTER tricks, so you clean text and totals with ...

Much of the data that you use Excel to analyze comes in a list form. You might need to sort the data, filter it, sum it, and perhaps even chart it. Excel tables provide superior tools for working with ...

FORECAST.ETS applies an exponential triple smoothing (ETS) algorithm to create forecasts that can include trend and seasonal components. The syntax for the FORECAST.ETS is =FORECAST.ETS (target_date, ...

For many years, I used the SUBTOTAL function in Microsoft Excel to create easily visible subtotals at the top of my worksheets. However, when I encountered AGGREGATE, this became my go-to function for ...

1. Is there a way to subtotal large volumes of numbers in Excel 2010, while ignoring the values contained in hidden rows? 2. What is the best way to subtotal data in Excel 2010 that contain ...

Learn how GROUPBY passes both subset and full arrays into LAMBDA in Excel, letting you compute percent shares fast and explain results clearly.