A Refresher on Regression Analysis
Amy Gallo,
Harvard Business Review,
Nov 04, 2015
Under what conditions can one event alloww us to predict a second event? When it rains, will umbrella sales go up? By how much? This is the topic of 'regression analysis', and is the basis for predictive analytics generally. This article is a good summary of the concept, not too deep (not deep at all, actually), which not only describes what regression analysis is, but also helpfully warns readers about how they can go wrong and how far to take the concept. "Analyses are very sensitive to bad data, so be careful about the data you collect and how you collect it, and know whether you can trust it."
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