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Computes experimental designs for two-arm experiments with covariates using multiple methods, including: (0) complete randomization and randomization with forced-balance; (1) greedy optimization of a balance objective function via pairwise switching; (2) numerical optimization via 'gurobi'; (3) rerandomization; (4) Karp's method for one covariate; (5) exhaustive enumeration for small sample sizes; (6) binary pair matching using 'nbpMatching'; (7) binary pair matching plus method (1) to further optimize balance; (8) binary pair matching plus method (3) to further optimize balance; (9) Hadamard designs; and (10) simultaneous multiple kernels. For the greedy, rerandomization, and related methods, three objective functions are supported: Mahalanobis distance, standardized sums of absolute differences, and kernel distances via the 'kernlab' library. This package is the result of a stream of research that can be found in Krieger, A. M., Azriel, D. A., and Kapelner, A. (2019). "Nearly Random Designs with Greatly Improved Balance." Biometrika 106(3), 695-701 <doi:10.1093/biomet/asz026>. Krieger, A. M., Azriel, D. A., and Kapelner, A. (2023). "Better experimental design by hybridizing binary matching with imbalance optimization." Canadian Journal of Statistics, 51(1), 275-292 <doi:10.1002/cjs.11685>.
| Version: | 1.6 |
| Depends: | R (≥ 4.1.0), rJava (≥ 0.9-6) |
| Imports: | Rcpp, checkmate, nbpMatching, rlist, stringr, stringi, kernlab, ggplot2, graphics, grDevices, stats |
| LinkingTo: | Rcpp |
| Suggests: | testthat (≥ 3.0.0), pkgload, R6 |
| Published: | 2026-01-09 |
| DOI: | 10.32614/CRAN.package.GreedyExperimentalDesign |
| Author: | Adam Kapelner [aut, cre] (ORCID: 0000-0001-5985-6792), David Azriel [aut], Abba Krieger [aut] |
| Maintainer: | Adam Kapelner <kapelner at qc.cuny.edu> |
| License: | GPL-3 |
| URL: | https://github.com/kapelner/GreedyExperimentalDesign |
| NeedsCompilation: | yes |
| SystemRequirements: | Java (>= 7.0) |
| Materials: | ChangeLog |
| CRAN checks: | GreedyExperimentalDesign results |
| Reference manual: | GreedyExperimentalDesign.html , GreedyExperimentalDesign.pdf |
| Package source: | GreedyExperimentalDesign_1.6.tar.gz |
| Windows binaries: | r-devel: GreedyExperimentalDesign_1.6.zip, r-release: GreedyExperimentalDesign_1.6.zip, r-oldrel: GreedyExperimentalDesign_1.6.zip |
| macOS binaries: | r-release (arm64): GreedyExperimentalDesign_1.6.tgz, r-oldrel (arm64): GreedyExperimentalDesign_1.6.tgz, r-release (x86_64): GreedyExperimentalDesign_1.6.tgz, r-oldrel (x86_64): GreedyExperimentalDesign_1.6.tgz |
| Old sources: | GreedyExperimentalDesign archive |
| Reverse depends: | OptimalRerandExpDesigns |
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These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.