Hidden Markov Cognitive Diagnosis Models for Learning R package hmcdm version 2.1.3 Fitting hidden Markov models of learning under the cognitive diagnosis framework. The estimation of the hidden Markov diagnostic classification model, the first order hidden Markov model, the reduced-reparameterized unified learning model, and the joint learning model for responses and response times. Software Depends: R (>= 3.5.0) Imports: Rcpp (>= 1.0.0), stats (>= 3.0.0), bayesplot (>= 1.9.0), rstantools (>= 1.0.0) LinkingTo: Rcpp, RcppArmadillo, progress Suggests: knitr, rmarkdown Sunbeom Kwon <sunbeom2@illinois.edu> Comprehensive R Archive Network (CRAN) Susu Zhang [aut], Shiyu Wang [aut], Yinghan Chen [aut], Sunbeom Kwon [aut, cre] GPL (>= 2) 2026-01-14 application/tgz https://CRAN.R-project.org/package=hmcdm doi:10.32614/CRAN.package.hmcdm