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stat.ME2025
Upgrading survival models with CARE
William G. Underwood, Henry W. J. Reeve, Oliver Y. Feng +3
Clinical risk prediction models are regularly updated as new data, often with additional covariates, become available. We propose CARE (Convex Aggregation of relative Risk Estimato…
stat.ME2021★ 3 cited
Nonparametric, tuning-free estimation of S-shaped functions
Oliver Y. Feng, Yining Chen, Qiyang Han +2
We consider the nonparametric estimation of an S-shaped regression function. The least squares estimator provides a very natural, tuning-free approach, but results in a non-convex…