Chapter 5. Case Study – Building Your Own Recommendation Engine

The previous two chapters showed how you how to build, test, and optimize recommender systems using R. Although the chapters were full of examples, they were based on datasets provided by an R package. The data was structured using redyal and was ready to be processed. However, in real life, the data preparation is an important, time-consuming, and tough step.

Another limitation of the previous examples is that they are based on the ratings only. In most of the situations, there are other data sources such as item descriptions and user profiles. A good solution comes from a combination of all the relevant information.

This chapter shows a practical example in which we will build and ...

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