The most useful Excel date functions handle everyday workflows like countdowns, working days, and month-based planning ...

Excel formulas are getting scary good.

Overview Excel remains a core tool for data analysts, and a small set of functions can handle most tasks related to lookups, ...

Formulas are powerful tools for performing calculations and analyzing data in Excel. In this beginner’s guide, you’ll learn how to use formulas (with or without help from the Copilot AI assistant) and ...

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 ...

If you need to conditionally split values into multiple columns in Microsoft Excel, consider using the IF() function. Here’s how. We all inherit Microsoft Excel sheets that don’t suit our working ...

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 ...

Appending records from different data sets into a single list or data range can be tedious if you’re doing it manually. Instead, use Microsoft Excel’s VSTACK() function. Have you ever received data ...

Say I can pass several commands to my program, and each command corresponds to a function. How can I call this function without a lot of if-else? To add a little seasoning, I also need to pass ...