Chapter 2. Classifying with k-Nearest Neighbors


This chapter covers
  • The k-Nearest Neighbors classification algorithm
  • Parsing and importing data from a text file
  • Creating scatter plots with Matplotlib
  • Normalizing numeric values


Have you ever seen movies categorized into genres? What defines these genres, and who says which movie goes into what genre? The movies in one genre are similar but based on what? I’m sure if you asked the people involved with making the movies, they wouldn’t say that their movie is just like someone else’s movie, but in some way you know they’re similar. What makes an action movie similar to another action movie and dissimilar to a romance movie? Do people kiss in action movies, and do people ...

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