Provides fast alternatives to standard survival analysis functions in the 'survival' package. The package implements a single-time-point Kaplan-Meier estimator (survfit_fast()), a log-rank test (survdiff_fast()), a closed-form hazard ratio estimator based on the Pike-Halley Estimator method (coxph_fast()), and a clinical trial data simulator (simdata_fast()). All functions are designed for repeated evaluation inside large simulation loops, such as adaptive sample-size re-estimation, probability-of-success calculations, and regional consistency evaluation in multi-regional trials. Core computations are implemented in 'C++' via 'Rcpp' for maximum performance. Methodological background is described in Collett (2014, ISBN:9780429196294).
| Version: | 0.1.0 |
| Depends: | R (≥ 4.1.0) |
| Imports: | dqrng, Rcpp |
| LinkingTo: | Rcpp, dqrng |
| Suggests: | survival, microbenchmark, testthat (≥ 3.0.0), knitr, rmarkdown |
| Published: | 2026-05-27 |
| DOI: | 10.32614/CRAN.package.FastSurvival |
| Author: | Gosuke Homma [aut, cre] |
| Maintainer: | Gosuke Homma <my.name.is.gosuke at gmail.com> |
| BugReports: | https://github.com/gosukehommaEX/FastSurvival/issues |
| License: | MIT + file LICENSE |
| URL: | https://github.com/gosukehommaEX/FastSurvival |
| NeedsCompilation: | yes |
| Language: | en-US |
| Materials: | README, NEWS |
| CRAN checks: | FastSurvival results |
| Reference manual: | FastSurvival.html , FastSurvival.pdf |
| Vignettes: |
Introduction to FastSurvival (source, R code) |
| Package source: | FastSurvival_0.1.0.tar.gz |
| Windows binaries: | r-devel: FastSurvival_0.1.0.zip, r-release: FastSurvival_0.1.0.zip, r-oldrel: FastSurvival_0.1.0.zip |
| macOS binaries: | r-release (arm64): FastSurvival_0.1.0.tgz, r-oldrel (arm64): FastSurvival_0.1.0.tgz, r-release (x86_64): FastSurvival_0.1.0.tgz, r-oldrel (x86_64): FastSurvival_0.1.0.tgz |
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