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Exercises 7: Text Processing

Use the full movies dataset covered in the lecture.

Some useful exercises are provided below:

  • Write a function that finds all the movie summaries that contain the given word
    • e.g., movies_with("happy")
    • You may want to do this before stemming!
  • Find the number of total words and unique words used in each of the movies. Which movie summary has the largest vocabulary?
  • Pick a movie from the list (suggestions: "The Godfather" or "Lord of the Rings").
    • Find the top words (excluding stopwords!) in your chosen movie
    • Find the most similar movie (using cosine similarity) to your chosen movie (among the full set of 90 movies)

I encourage you to copy/paste/write your code in steps, and make sure you understand what is being accomplished at each step.