What is the process of reducing the dimensionality of data while maintaining its essential characteristics?

What is the process of reducing the dimensionality of data while maintaining its essential characteristics?

  1. a) Gradient Boosting
  2. b) k-means clustering
  3. c) Principal Component Analysis
  4. d) Regression

From the Combined Bank Officer (IT) October 2024 – Preliminary (BIBM) exam, question 56 of 95.

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