sirt: Supplementary Item Response Theory Models
    Supplementary functions for item response models aiming
    to complement existing R packages. The functionality includes among others
    multidimensional compensatory and noncompensatory IRT models
    (Reckase, 2009, <doi:10.1007/978-0-387-89976-3>), 
    MCMC for hierarchical IRT models and testlet models
    (Fox, 2010, <doi:10.1007/978-1-4419-0742-4>), 
    NOHARM (McDonald, 1982, <doi:10.1177/014662168200600402>), 
    Rasch copula model (Braeken, 2011, <doi:10.1007/s11336-010-9190-4>;
    Schroeders, Robitzsch & Schipolowski, 2014, <doi:10.1111/jedm.12054>),
    faceted and hierarchical rater models (DeCarlo, Kim & Johnson, 2011,
    <doi:10.1111/j.1745-3984.2011.00143.x>),
    ordinal IRT model (ISOP; Scheiblechner, 1995, <doi:10.1007/BF02301417>), 
    DETECT statistic (Stout, Habing, Douglas & Kim, 1996, 
    <doi:10.1177/014662169602000403>), local structural equation modeling 
    (LSEM; Hildebrandt, Luedtke, Robitzsch, Sommer & Wilhelm, 2016,
    <doi:10.1080/00273171.2016.1142856>).
| Version: | 
3.12-66 | 
| Depends: | 
R (≥ 3.5) | 
| Imports: | 
CDM, graphics, methods, Rcpp, stats, TAM, utils | 
| LinkingTo: | 
pbv, Rcpp, RcppArmadillo | 
| Suggests: | 
coda, igraph, lavaan, lavaan.survey, MASS, Matrix, miceadds, minqa, mirt, mvtnorm, nloptr, optimx, pbivnorm, pbv, psych, sfsmisc, sm, survey | 
| Published: | 
2022-05-17 | 
| Author: | 
Alexander Robitzsch [aut,cre] (<https://orcid.org/0000-0002-8226-3132>) | 
| Maintainer: | 
Alexander Robitzsch  <robitzsch at ipn.uni-kiel.de> | 
| License: | 
GPL-2 | GPL-3 [expanded from: GPL (≥ 2)] | 
| URL: | 
https://github.com/alexanderrobitzsch/sirt,
https://sites.google.com/site/alexanderrobitzsch2/software | 
| NeedsCompilation: | 
yes | 
| Citation: | 
sirt citation info  | 
| Materials: | 
README NEWS  | 
| In views: | 
Psychometrics | 
| CRAN checks: | 
sirt results | 
Documentation:
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