Metrics

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  • Area Under the Curve - AUC (It measures the goodness of order by ranking all the ads with predicted CTR, including intra-user and inter-user orders)
  • RelaImpr measure relative improvement over models

Rel aImpr =[AUC(measured model) − 0.5)/ (AUC(base model) − 0.5)− 1]× 100%