Author

Ying Yu

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Preprint Jul 2026

Log-F-penalized Conditional Logistic Regression for Sparse Data

We investigate penalized likelihood methods for estimation and inference in conditional logistic regression. The standard conditional maximum likelihood estimator is known to be biased away from zero in small or sparse matched case-control studies. A widely used remedy is Firth's penalized likelihood approach, which ha...

Ying Yu, Ji-Ying Wen, Jinko Graham et al. · 0 citations