Survival Model Validation Utilities R package survC version 0.1.0 Provides helper functions to compute linear predictors, time-dependent ROC curves, and Harrell's concordance index for Cox proportional hazards models as described in Therneau (2024) <https://CRAN.R-project.org/package=survival>, Therneau and Grambsch (2000, ISBN:0-387-98784-3), Hung and Chiang (2010) <doi:10.1002/cjs.10046>, Uno et al. (2007) <doi:10.1198/016214507000000149>, Blanche, Dartigues, and Jacqmin-Gadda (2013) <doi:10.1002/sim.5958>, Blanche, Latouche, and Viallon (2013) <doi:10.1007/978-1-4614-8981-8_11>, Harrell et al. (1982) <doi:10.1001/jama.1982.03320430047030>, Peto and Peto (1972) <doi:10.2307/2344317>, Schemper (1992) <doi:10.2307/2349009>, and Uno et al. (2011) <doi:10.1002/sim.4154>. Software Imports: survival, stats, timeROC, officer, rvg Suggests: magrittr, jstable, testthat (>= 3.0.0) Minhyuk Kim <mhkim@zarathu.com> Comprehensive R Archive Network (CRAN) Minhyuk Kim [aut, cre] (ORCID: <https://orcid.org/0009-0000-8083-5099>) MIT + file LICENSE (https://CRAN.R-project.org/package=survC/LICENSE) 2025-10-29 application/tgz https://CRAN.R-project.org/package=survC doi:10.32614/CRAN.package.survC