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 ...

When you are deeply involved with Power BI, it becomes second nature to perform data preprocessing in "Power Query." The flexible transformations using the M language and the mechanism that allows you ...

Same report, same data, but way less suffering.

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 ...

Have you ever wished your Excel formulas could think like reusable building blocks instead of static, one-off instructions? Imagine creating a single formula that adapts dynamically to your data, ...

Learn how to use Excel Power Query’s extract and split column features to extract delimited strings into their components with this step-by-step tutorial. You might receive foreign data in the form of ...

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 ...

Microsoft Power Query requires less specialized knowledge when trying to find duplicate records in a Microsoft Excel sheet. There are several ways to find duplicates in a Microsoft Excel sheet. You ...