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Supporting information
S3 Fig. Confusion-matrix heatmap for the calibrated HGB model at the reference threshold t = 0.5 on the held-out group test set.
https://doi.org/10.1371/journal.pone.0355736.s001
(TIF)
Reference
Citation: Wu S, Duan J, Luo M (2026) Correction: Calibrated early-warning models with fairness auditing and selective prediction for course withdrawal risk: Evidence from OULAD. PLoS One 21(8): e0355736. https://doi.org/10.1371/journal.pone.0355736
Published: August 7, 2026
Copyright: © 2026 Wu et al. This is an open access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.