Data work in 2026 asks for more than chart building. Professionals are expected to clean data, query databases, explain ...

This site has open-access CC-BY-SA materials for an introductory Business Analytics course that heavily emphasizes Microsoft Excel. There are no prerequisites and the target audience is first- or ...

Have you ever found yourself staring at a tangled mess of Excel formulas, wondering if there’s a simpler way to get the results you need? You’re not alone. Whether you’re managing sales data, tracking ...

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Have you ever found yourself wrestling with Excel formulas, wishing for a more powerful tool to handle your data? Or maybe you’ve heard the buzz about Python in Excel and wondered if it’s truly the ...

In this video, learn how to create a cohort analysis in Excel, a model designed to analyze customer retention and understand ...

Python has made using Microsoft Excel much easier than it has ever been, and it isn't very hard to start using it yourself.

Wayne Winston has consulted for several Fortune 500 clients, developed the statistics tracking and rating system used by the Dallas Mavericks, is a two-time Jeopardy champion, has a PhD in Operations ...