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. Author manuscript; available in PMC: 2021 Jun 22.
Published in final edited form as: Am Soc Clin Oncol Educ Book. 2021 Mar;41:1–11. doi: 10.1200/EDBK_320951

FIGURE 5. Logistic Regression Area Under the Curve Performance in Random Data for Highly Imbalanced Event Data (2% Event Rate, Left) and More Balanced Data (30% Event, Right).

FIGURE 5.

AUC for imbalanced data is unrealistically high.

Abbreviation: AUC, area under the curve.