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20242026
most citedTowards Stable Machine Learning Model Retraining via Slowly Varying Sequences

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stat.ME2026

Robustifying and Selecting Cohort-Appropriate Prognostic Models under Distributional Shifts

Dimitris Bertsimas, Carol Gao, Angelos G. Koulouras +1

External validation is widely regarded as the gold standard for prognostic model evaluation. In this study, we challenge the assumption that successful external calibration guarant…