An implementation of data analytic methods in R for analyses for data with ceiling/floor effects. The package currently includes functions for mean/variance estimation and mean comparison tests. Implemented methods are from Aitkin (1964) <doi:10.1007/BF02289723> and Liu & Wang (2021) <doi:10.3758/s13428-020-01407-2>.
| Version: | 1.1.0 |
| Depends: | R (≥ 3.5) |
| Imports: | mvtnorm, qgraph, Matrix, psych, utils |
| Suggests: | knitr, rmarkdown, MASS, ggplot2 |
| Published: | 2026-07-16 |
| DOI: | 10.32614/CRAN.package.DACF |
| Author: | Qimin Liu [aut, cre], Lijuan Wang [aut], Lauren Trichtinger [aut], Grace Murray [ctb] |
| Maintainer: | Qimin Liu <Qliuacademia at gmail.com> |
| License: | GPL-2 |
| NeedsCompilation: | no |
| Materials: | README, NEWS |
| CRAN checks: | DACF results |
| Reference manual: | DACF.html , DACF.pdf |
| Vignettes: |
Data Analyses with Ceiling/Floor data (source, R code) |
| Package source: | DACF_1.1.0.tar.gz |
| Windows binaries: | r-devel: DACF_1.1.0.zip, r-release: DACF_1.1.0.zip, r-oldrel: DACF_1.1.0.zip |
| macOS binaries: | r-release (arm64): DACF_1.1.0.tgz, r-oldrel (arm64): DACF_1.1.0.tgz, r-release (x86_64): DACF_1.1.0.tgz, r-oldrel (x86_64): DACF_1.1.0.tgz |
| Old sources: | DACF archive |
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