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Practical Predictive Analytics by Ralph Winters

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What is market basket analysis?

If you have survived the last chapter, you will now be introduced to the world of market basket analysis (MBA). Market basket analysis (also sometimes called affinity analysis), is a predictive analytics technique that is used heavily in the retail industry in order to identify baskets of items that are purchased together. The typical use case for this is the supermarket shopping cart in which a shopper would typically purchase an assortment of items such as milk, bread, cheese, and so on, and the algorithm will predict how purchasing certain items together will affect the purchase of other items. It is one of those methods that retailers use to know to start sending you coupons and emails for things that you ...

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