The 'survextrap' package.

For an introduction to and overview of the survextrap package, and full documentation, see

https://chjackson.github.io/survextrap/.

For details of the methods, see the paper by Jackson (2023).

References

Jackson, C. (2023) survextrap: a package for flexible and transparent survival extrapolation. BMC Medical Research Methodology 23:282. doi:10.1186/s12874-023-02094-1

Timmins I, Torabi F, Jackson C, Lambert P, Sweeting M J. (2025) Simulation-based assessment of a Bayesian survival model with flexible baseline hazard and time-dependent effects. doi:10.48550/arXiv.2503.21388 .

See also

Useful links:

• https://github.com/chjackson/survextrap

• https://chjackson.github.io/survextrap/

• Report bugs at https://github.com/chjackson/survextrap/issues

Author

Maintainer: Christopher Jackson chris.jackson@mrc-bsu.cam.ac.uk (ORCID) [copyright holder]

Other contributors:

• Iain Timmins (ORCID) [contributor]

• Michael Sweeting (ORCID) [contributor]