Have you ever been overwhelmed by a messy dataset in Excel, unsure of where to start with cleaning it up? You’re not alone. Data cleaning can be one of the most tedious and time-consuming tasks for ...

Did you know that data analysts spend up to 80% of their time cleaning and preparing data? If you’re nodding in agreement, you’re not alone. The good news is that tools like Power Query in Excel and ...

Standard Excel lookups are perfectionists that fail on typos or extra spaces. While you could hack a solution using nested XLOOKUP, TRIM, and LOWER functions, it's brittle and hard to maintain. Power ...

Q. There was a December 2020 article in the JofA about cleaning and joining data using a program called Alteryx, but we don’t have access to this program. Could you explain how to do those tasks using ...

Power Query is a game-changer in terms of the amount of time I save, ensuring imported data is ready for analysis in Excel. If you're new to this tool, it's helpful to know a few commands that can ...