9 Recommendation Systems

Every talented salesperson knows how to make intelligent, targeted recommendations to customers, and as online retailers have grown in size and sophistication, they have enthusiastically automated this sales tactic. But these recommendations are hard to make. For this reason, many businesses create automated recommendation systems that analyze data about products and customers to determine which customers would be most receptive to which products.

In this chapter, we’ll go over recommendation systems in detail. We’ll start with the simplest possible recommendation system: one that merely recommends the most popular ...

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