Learn how GROUPBY passes both subset and full arrays into LAMBDA in Excel, letting you compute percent shares fast and explain results clearly.
The SORT and SORTBY functions let you extract certain columns and rows from a dataset and sort them in a certain order, all while preserving the source data. Even though they work in similar ways, ...
Learn the difference between Excel COUNT and COUNTA, plus TEXTBEFORE and TEXTAFTER tricks, so you clean text and totals with ...