Provides methods for powering cluster-randomized trials with two continuous co-primary outcomes using five key design techniques. Includes functions for calculating required sample size and statistical power. For more details on methodology, see Owen et al. (2025) <doi:10.1002/sim.70015>, Yang et al. (2022) <doi:10.1111/biom.13692>, Pocock et al. (1987) <doi:10.2307/2531989>, Vickerstaff et al. (2019) <doi:10.1186/s12874-019-0754-4>, and Li et al. (2020) <doi:10.1111/biom.13212>.
| Version: | 1.2.2 |
| Depends: | R (≥ 4.3) |
| Imports: | devtools (≥ 2.4.5), knitr (≥ 1.43), rootSolve (≥ 1.8.2.3), tidyverse (≥ 2.0.0), tableone (≥ 0.13.2), foreach (≥ 1.5.2), mvtnorm (≥ 1.2), tibble (≥ 3.2.1), dplyr (≥ 1.1.4), tidyr (≥ 1.3.0), stats (≥ 3.6.2) |
| Suggests: | testthat (≥ 3.0.0) |
| Published: | 2025-11-12 |
| DOI: | 10.32614/CRAN.package.crt2power |
| Author: | Melody Owen [aut, cre] |
| Maintainer: | Melody Owen <melody.owen at yale.edu> |
| License: | GPL-3 |
| URL: | https://github.com/melodyaowen/crt2power |
| NeedsCompilation: | no |
| Materials: | README |
| CRAN checks: | crt2power results |
| Reference manual: | crt2power.html , crt2power.pdf |
| Package source: | crt2power_1.2.2.tar.gz |
| Windows binaries: | r-devel: crt2power_1.2.2.zip, r-release: crt2power_1.2.2.zip, r-oldrel: crt2power_1.2.2.zip |
| macOS binaries: | r-release (arm64): crt2power_1.2.2.tgz, r-oldrel (arm64): crt2power_1.2.2.tgz, r-release (x86_64): crt2power_1.2.2.tgz, r-oldrel (x86_64): crt2power_1.2.2.tgz |
| Old sources: | crt2power archive |
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