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Choosing Core Model Metrics

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Problem

Scenario

You are discussing how to evaluate an AI model before launch and after deployment. The team wants a clear way to measure performance, but the right metric depends on the task and the cost of different mistakes.

Question

What metrics would you use to evaluate the performance of an AI model?

What This Tests

  • When accuracy is useful and when it is misleading
  • How precision and recall reflect different error costs
  • Why F1 score is helpful for imbalanced classification
  • How AUC-ROC evaluates ranking quality across thresholds