A session-based engine for cognitive diagnostic computerized adaptive testing (CD-CAT), the application of adaptive testing to cognitive diagnosis models. Three models are supported: the deterministic inputs, noisy "and" gate (DINA), the deterministic inputs, noisy "or" gate (DINO), and the generalized DINA (GDINA) model. Item selection criteria include Kullback-Leibler (KL) information, posterior-weighted Kullback-Leibler (PWKL), modified posterior-weighted Kullback-Leibler (MPWKL), and Shannon entropy (SHE). Latent attribute profiles are estimated by maximum likelihood estimation (MLE), maximum a posteriori (MAP), or expected a posteriori (EAP). Content balancing, item exposure control, and shadow testing are configurable through constraint functions. The implemented methods follow Cheng (2009) <doi:10.1007/s11336-009-9123-2> and de la Torre (2011) <doi:10.1007/s11336-011-9207-7>. Designed for real-time, item-by-item adaptive applications.
| Version: | 0.1.0 |
| Depends: | R (≥ 4.1.0) |
| Imports: | R6 |
| Suggests: | testthat (≥ 3.0.0), knitr, rmarkdown, covr, GDINA, usethis |
| Published: | 2026-06-15 |
| DOI: | 10.32614/CRAN.package.cdCAT (may not be active yet) |
| Author: | Thiago Miranda [aut, cre], Bruno Silvestre [aut] |
| Maintainer: | Thiago Miranda <thiagofm.pa at gmail.com> |
| BugReports: | https://github.com/thiagofmiranda/cdCAT/issues |
| License: | MIT + file LICENSE |
| URL: | https://github.com/thiagofmiranda/cdCAT |
| NeedsCompilation: | no |
| Citation: | cdCAT citation info |
| Materials: | README, NEWS |
| CRAN checks: | cdCAT results |
| Package source: | cdCAT_0.1.0.tar.gz |
| Windows binaries: | r-devel: not available, r-release: not available, r-oldrel: not available |
| macOS binaries: | r-release (arm64): not available, r-oldrel (arm64): not available, r-release (x86_64): not available, r-oldrel (x86_64): cdCAT_0.1.0.tgz |
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