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Principal Component Analysis (PCA)

AI/ML Fundamentals

Dimensionality reduction technique

What is Principal Component Analysis (PCA)?

Transforms data to new coordinates (principal components) capturing maximum variance. Reduces dimensions while preserving information.

Real-World Examples

  • Reducing 1000 features to 10
  • Visualizing high-dimensional data
  • Noise reduction

When to Use This

To reduce features while retaining most information

Related Terms

Learn more about concepts related to Principal Component Analysis (PCA)