AWS Certification Exam AI Practitioner (Practice Questions) set6
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If a model shows extremely low recall for a particular contract type, which evaluation method is suitable for systematically capturing differences between types?
①Shuffle all the data and evaluate on a single test set.
②Perform stratified cross-validation by contract type and compare performance for each type.
③Evaluate and report only the best-performing contract type.
④Increase the training data, retrain, and omit the evaluation.
⑤Calculate only the variance of precision and ignore recall.