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Performs forward and backward stepwise regression for the proportional subdistribution hazards model in competing risks (Fine & Gray 1999). Procedure uses AIC, BIC and BICcr as selection criteria. BICcr has a penalty of k = log(n*), where n* is the number of primary events. This version includes improved handling of factors, interactions, and polynomial terms.
| Version: | 2025.1.1 |
| Depends: | R (≥ 3.5.0) |
| Imports: | cmprsk, stats, utils |
| Suggests: | knitr, rmarkdown |
| Published: | 2026-01-14 |
| DOI: | 10.32614/CRAN.package.crrstep |
| Author: | Ravi Varadhan [aut, cre], Deborah Kuk [aut], Leon Wang [ctb] |
| Maintainer: | Ravi Varadhan <ravi.varadhan at jhu.edu> |
| License: | GPL-2 | GPL-3 [expanded from: GPL (≥ 2)] |
| NeedsCompilation: | no |
| Citation: | crrstep citation info |
| Materials: | NEWS |
| CRAN checks: | crrstep results |
| Reference manual: | crrstep.html , crrstep.pdf |
| Vignettes: |
crrstep-tutorial (source, R code) |
| Package source: | crrstep_2025.1.1.tar.gz |
| Windows binaries: | r-devel: crrstep_2025.1.1.zip, r-release: crrstep_2025.1.1.zip, r-oldrel: crrstep_2025.1.1.zip |
| macOS binaries: | r-release (arm64): crrstep_2025.1.1.tgz, r-oldrel (arm64): crrstep_2025.1.1.tgz, r-release (x86_64): crrstep_2025.1.1.tgz, r-oldrel (x86_64): crrstep_2025.1.1.tgz |
| Old sources: | crrstep archive |
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