Key points are not available for this paper at this time.
This study evaluates regularization variants in logistic regression (L1, L2, ElasticNet, Adaptive L1, Adaptive ElasticNet, Broken adaptive ridge BAR, and Iterative hard thresholding IHT) for discrimination and calibration performance, focusing on both internal and external validation.
Friðgeirsson et al. (Mon,) studied this question.
Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context: