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 ...

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 ...

Use the RANDARRAY() dynamic array function to return random names or other text in Microsoft Excel. The recent article How to generate random letters in Excel shows you how to generate random letters.

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 ...

While using Microsoft Excel for data analysis, you may sometimes need to search for and retrieve specific values. In such cases, Excel's LOOKUP function can be extremely useful. It allows you to ...