Have you ever found yourself staring at an Excel spreadsheet, trying to figure out how to make sense of all the numbers and data? Maybe you’ve spent hours manually calculating groups, splitting dates, ...

There might be some numbers you're missing when summing it up.

Have you ever found yourself tangled in a web of complex Excel formulas, trying to make sense of sprawling datasets with traditional functions like SUMIFS? Many of us have been there, struggling with ...

Build stable, high-performance dashboards using REPT formulas and UNICHAR symbols instead of conditional formatting.

Still using Excel for your data analysis? Learn how to leverage Python so you can work with larger datasets and automate repetitive tasks. Learning to code, whether with Python, JavaScript, or another ...

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 — ...