Data work in 2026 asks for more than chart building. Professionals are expected to clean data, query databases, explain trends, and present findings clearly across business, finance, product, and ...

With most Excel spreadsheets, you enter data manually into cells and then use formulas or other functions to analyze it or perform calculations. If you have a large data source, such as an Access ...

Taking a look at how marketers can unlock the power of data analysis using traditional tabular software and data languages. Marketers would like to unlock the power of data — but with so many ...

Microsoft has released an add-in for Microsoft Excel called Data Explorer. It is now called Microsoft Power Query. The free add-in has been designed to reduce your efforts in searching, shaping, 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 ...

Excel is more than just a spreadsheet tool; it is a comprehensive platform for data analysis and business intelligence. By using its advanced tools—Power Query, Power Pivot, and DAX—you can elevate ...

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 ...