TY - RPRT TI - Shape restricted additive hazards models: Monotone, unimodal, and U‐shape hazard functions AU - Chung, Yunro (ORCID:0000000191259277) AU - Ivanova, Anastasia (ORCID:0000000343212073) AU - Fine, Jason PY - 2024 DO - 10.1002/sim.10040 UR - https://www.osti.gov/biblio/2580657 ID - 2580657 ER -