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Bayesian Methods

  • Learning and classification methods based on probability theory

  • Bayes theorem plays a critical role

  • Builds a generative model that approximates how data is produced

  • Has prior probability of each category given no information about an item.

  • Model produces a posterior probability

    • Distribution over the possible categories given an item

  • Naïve Bayes methods use a bag of words as the item description


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