Barclays Global Service Centre Senior Vice President Interview Questions and Answers

KPIs for unbalanced datasets include precision, recall, F1 score, ROC AUC, and confusion matrix.

• Precision: measures the proportion of true positive predictions among all positive predictions

• Recall: measures the proportion of true positive predictions among all actual positive instances

• F1 score: balances precision and recall into a single metric

• ROC AUC: measures the area under the receiver operating characteristic curve

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