Bayesrel: Bayesian Reliability Estimation
Functionality for reliability estimates. For 'unidimensional' tests: Coefficient alpha, 'Guttman's' lambda-2/-4/-6, the Greatest lower bound and coefficient omega_u ('unidimensional') in a Bayesian and a frequentist version. For multidimensional tests: omega_t (total) and omega_h (hierarchical). The results include confidence and credible intervals, the probability of a coefficient being larger than a cutoff, and a check for the factor models, necessary for the omega coefficients. The method for the Bayesian 'unidimensional' estimates, except for omega_u, is sampling from the posterior inverse 'Wishart' for the covariance matrix based measures (see 'Murphy', 2007, <https://groups.seas.harvard.edu/courses/cs281/papers/murphy-2007.pdf>. The Bayesian omegas (u, t, and h) are obtained by 'Gibbs' sampling from the conditional posterior distributions of (1) the single factor model, (2) the second-order factor model, (3) the bi-factor model, (4) the correlated factor model ('Lee', 2007, <doi:10.1002/9780470024737>).
| Version: | 0.7.8 |
| Depends: | R (≥ 2.10) |
| Imports: | LaplacesDemon,MASS,lavaan,coda, methods, stats, graphics,Rdpack,Rcpp (≥ 1.0.4.6),psych |
| LinkingTo: | Rcpp,RcppArmadillo |
| Suggests: | knitr,rmarkdown,tinytest |
| Published: | 2025-03-24 |
| DOI: | 10.32614/CRAN.package.Bayesrel |
| Author: | Julius M. Pfadt [aut, cre], Don van den Bergh [aut], Joris Goosen [aut] |
| Maintainer: | Julius M. Pfadt <julius.pfadt at gmail.com> |
| BugReports: | https://github.com/juliuspfadt/Bayesrel/issues |
| License: | GPL-3 |
| URL: | https://github.com/juliuspfadt/Bayesrel |
| NeedsCompilation: | yes |
| Materials: | README |
| CRAN checks: | Bayesrel results |
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