What is ‘dimensionality reduction’ and why is it used in machine learning?

AI Fundamentals Medium

AI Fundamentals — Medium

What is ‘dimensionality reduction’ and why is it used in machine learning?

Key points

  • It helps prevent overfitting by simplifying the model
  • It can improve computational efficiency by reducing the number of input variables
  • Preserves important information while reducing the complexity of the model

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