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What does the F1 score balance?

  1. A Precision and recall, via their harmonic mean
  2. B Accuracy and speed
  3. C Bias and variance
  4. D Training and validation loss
Answer

Precision and recall, via their harmonic mean

The harmonic mean penalises imbalance, so a model with high precision and negligible recall scores poorly rather than moderately.

All Data Science MCQs

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