Formulas are powerful tools for performing calculations and analyzing data in Excel. In this beginner’s guide, you’ll learn ...

Most online Excel tutorials are obsessed with flashy new functions, complex formulas, or clever hacks that solve simple problems in overly complicated ways. But the real upgrade isn't new or exciting ...

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 ...

For years, pivot tables have been my go-to for almost every data summary task in Excel. Over time, I got pretty good at them, field lists, value settings, the whole ritual, but they never quite felt ...

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 ...

Make your R data.table code more efficient and elegant with these special symbols and operators. Plus, learn about the new fcase() function R data.table code becomes more efficient — and elegant — ...

What if you could unlock the full potential of Excel’s dynamic arrays within your tables, making your data management more efficient and powerful? Integrating dynamic arrays within Excel tables can be ...