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Machine Learning with Spark - Second Edition by Nick Pentreath, Manpreet Singh Ghotra, Rajdeep Dua

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Types of machine learning models

While we have one example, there are many other examples, some of which we will touch on in the relevant chapters when we introduce each machine learning task.

However, we can broadly divide the preceding use cases and methods into two categories of machine learning:

  • Supervised learning: These types of models use labeled data to learn. Recommendation engines, regression, and classification are examples of supervised learning methods. The labels in these models can be user--movie ratings (for the recommendation), movie tags (in the case of the preceding classification example), or revenue figures (for regression). We will cover supervised learning models in Chapter 4, Building a Recommendation Engine with ...

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