On Monday, the company announced that its Copilot AI is now available as an Excel function for Microsoft 365 insiders. That means you can add COPILOT to a formula and then use natural language in a ...

While I'll always argue that SUM is my favorite and most-used Excel formula, there are plenty of other powerful functions included in the software. These features go far past using Excel as a digital ...

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 ...

TEXTBEFORE and TEXTAFTER are a few more of my favorite Excel functions to clean messy spreadsheets. Excel's newer text ...

Advanced list solutions are easy thanks to Excel's Table object. If you need a dynamic list, try one of these techniques. The article Five ways to take advantage of Excel list features showed five ...

Excel's IF function validates a cell's contents, determining whether it meets criteria that you set. It provides no information beyond what your workbook already contains, but it analyzes the data ...