Use MAP and LAMBDA to build centralized, error-proof, and auto-spilling Excel spreadsheet systems.

See how to join two data sets by one or more common columns using base R’s merge function, dplyr join functions, and the speedy data.table package. R has a number of quick, elegant ways to join data ...

Discover 15 modern Excel functions for 2026, including Group By and Scan, so you speed up your workflows, summaries and ...

How to use wildcards with the XLOOKUP() function in Excel Your email has been sent Microsoft Excel’s XLOOKUP() is powerful, but combined with wildcards, it’s also flexible. Lookup functions are great ...

Create robust, backward-compatible Excel workbooks by leveraging the structural power of the ROWS function.