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 ...

Data cleaning is a crucial step in the data analysis process. Inaccurate, incomplete, or inconsistent data can lead to flawed insights and poor decision-making. Fortunately, Excel 365’s Power Query ...

The January 2017 JofA article “Data Mining Your General Ledger With Excel” presents a step-by-step, formula-based approach to extracting general ledger data and then scrubbing them so that they can be ...

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 ...