CHAPTER 1. Introduction.
    CHAPTER 2. Supervised Learning.
    CHAPTER 3. Unsupervised Learning and Preprocessing.
    CHAPTER 4. Summary of scikit-learn methods and usage.
    CHAPTER 5. Representing Data and Engineering Features.
    CHAPTER 6. Model evaluation and improvement.
    CHAPTER 7. Algorithm Chains and Pipelines.
    CHAPTER 8. Working with Text Data.