A new COPILOT function in Excel lets you use AI in a formula. The new skill is now available to Microsoft 365 insiders. Reduces some of the complexity involved in creating formulas. Get more in-depth ...

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 ...

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 ...

What’s the state abbreviation for Arkansas? Is it AR? AK? AS? Maybe you’ve got a data frame with the information. Or any info where there’s one column with categories, and another column with values.

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 ...

Tables are a fundamental part of any Google Sheets spreadsheet. They help you visualize your data, make filtering and sorting simple, ensure consistency, and can be referenced in formulas to aid ...