Flexible Regression Models for Survival Data R package timereg version 2.0.7 CRAN Task View: Survival (https://CRAN.R-project.org/view=Survival) Programs for Martinussen and Scheike (2006), `Dynamic Regression Models for Survival Data', Springer Verlag. Plus more recent developments. Additive survival model, semiparametric proportional odds model, fast cumulative residuals, excess risk models and more. Flexible competing risks regression including GOF-tests. Two-stage frailty modelling. PLS for the additive risk model. Lasso in the 'ahaz' package. Software Depends: R (>= 2.15), survival Imports: lava, numDeriv, stats, graphics, grDevices, utils, methods Suggests: mets, Thomas Scheike <ts@biostat.ku.dk> Comprehensive R Archive Network (CRAN) Thomas Scheike [aut, cre], Torben Martinussen [aut], Jeremy Silver [ctb], Klaus K. Holst [ctb] GPL (>= 2) 2025-08-18 application/tgz https://CRAN.R-project.org/package=timereg doi:10.32614/CRAN.package.timereg