Article

Federated penalized piecewise exponential model for horizontally distributed survival data: FedPPEM

2026-02-12

Abstract excerpt

Cox proportional hazard regressions are frequently employed to develop prognostic models for time-to-event data, considering both patient-specific and disease-specific characteristics. In high-dimensional clinical modeling, these biological features can exhibit high collinearity due to inter-feature relationships, potentially causing instability and numerical issues during estimation without regularization. For ra...

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Literature Corpus work: b7205c63-fd9b-54ad-8ae7-1134699d7500
DOI: 10.64898/2026.02.11.26346054

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