What is Feature Scaling in Logistic Regression?

Updated May 17, 2026

Short answer

Feature scaling standardizes variables for stable optimization.

Deep explanation

Gradient-based optimization converges faster when features are on similar scales.

Real-world example

Fraud systems normalize transaction values before training.

Common mistakes

  • Scaling train and test sets separately.

Follow-up questions

  • Is scaling always required?
  • Which scaler is common?

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