PCA

Learn about PCA and why it's useful for data preprocessing.

Chapter Goals:

  • Learn about principal component analysis and why it's used

A. Dimensionality reduction

Most datasets contain a large number of features, some of which are redundant or not informative. For example, in a dataset of basketball statistics, the total points and points per game for a player will (most of the time) tell the same story about the player's ...

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