How does feature correlation impact curse of dimensionality?

Updated May 15, 2026

Short answer

Correlation can reduce effective dimensionality.

Deep explanation

Highly correlated features do not add new information, reducing true complexity.

Real-world example

Duplicate features in customer datasets.

Common mistakes

  • Keeping redundant variables.

Follow-up questions

  • What is multicollinearity?
  • How to fix it?

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