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cs.AI2025
Imputation for prediction: beware of diminishing returns
Marine Le Morvan, Gaël Varoquaux
Missing values are prevalent across various fields, posing challenges for training and deploying predictive models. In this context, imputation is a common practice, driven by the…
cs.AI2024
Teaching Models To Survive: Proper Scoring Rule and Stochastic Optimization with Competing Risks
Julie Alberge, Vincent Maladière, Olivier Grisel +2
When data are right-censored, i.e. some outcomes are missing due to a limited period of observation, survival analysis can compute the "time to event". Multiple classes of outcomes…