Why is feature scaling important in high dimensions?

Updated May 15, 2026

Short answer

It prevents dominant features from skewing distances.

Deep explanation

Without scaling, high-range features dominate Euclidean distance.

Real-world example

Mixing age and income features in models.

Common mistakes

  • Ignoring normalization step.

Follow-up questions

  • Which scaler is best?
  • Does scaling solve curse fully?

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