Package: bayesqm
Type: Package
Title: Bayesian Q Methodology: Probabilistic Factor Analysis
Version: 0.1.0
Date: 2026-05-18
Authors@R: c(
    person(given = "Raymond Dacosta", family = "Azadda",
           email = "rdazadda@alaska.edu",
           role = c("aut", "cre")),
    person(family = "AK-ACE Team", role = "aut"),
    person("Karsten", "Hueffer", role = "aut"),
    person("Taa'aii", "Peter", role = "aut"),
    person("Stacy", "Rasmus", role = "aut"))
Description: A Bayesian factor-analytic framework for Q methodology. Fits a
    low-rank factor model to Q-sort data with a Student-t likelihood and a
    hierarchical normal prior on loadings, samples the posterior with Stan,
    resolves rotational ambiguity via the MatchAlign post-processing of
    Poworoznek et al. (2025) <doi:10.1214/25-BA1544>, and returns posterior
    summaries including credible intervals for loadings and factor scores,
    probabilistic dominant-factor membership, distinguishing and consensus
    statements, and PSIS-LOO-based factor enumeration following Vehtari et
    al. (2017) <doi:10.1007/s11222-016-9696-4> with the Sivula et al. (2025)
    <doi:10.1214/25-BA1569> parsimony rule.
License: GPL (>= 3)
URL: https://github.com/rdazadda/bayesqm,
        https://rdazadda.github.io/bayesqm/
BugReports: https://github.com/rdazadda/bayesqm/issues
Encoding: UTF-8
Language: en-US
Config/testthat/edition: 3
Depends: R (>= 4.1.0)
Imports: stats, utils, tools, parallel, rstantools (>= 2.3.0)
Suggests: cmdstanr (>= 0.8.0), rstan (>= 2.32.0), loo (>= 2.7.0),
        GPArotation (>= 2024.3-1), lpSolve, readxl (>= 1.4.0), jsonlite
        (>= 1.8.0), posterior (>= 1.5.0), ggplot2 (>= 3.4.0), ggdist
        (>= 3.3.0), ggridges (>= 0.5.0), scales (>= 1.2.0), knitr (>=
        1.40), rmarkdown (>= 2.20), testthat (>= 3.0.0), vdiffr (>=
        1.0.0)
VignetteBuilder: knitr
Additional_repositories: https://stan-dev.r-universe.dev
Config/roxygen2/version: 8.0.0
NeedsCompilation: no
Packaged: 2026-06-10 02:15:55 UTC; rdazadda
Author: Raymond Dacosta Azadda [aut, cre],
  AK-ACE Team [aut],
  Karsten Hueffer [aut],
  Taa'aii Peter [aut],
  Stacy Rasmus [aut]
Maintainer: Raymond Dacosta Azadda <rdazadda@alaska.edu>
Repository: CRAN
Date/Publication: 2026-06-17 17:40:12 UTC
Built: R 4.6.0; ; 2026-06-17 20:02:34 UTC; unix
