@@ -20201,3 +20201,35 @@ and Wang, 1997 <doi:10.1177/0146621697211001>, Adams, Wilson and Wu, 1997
<doi:10.3102/10769986022001047>, Formann, 1982 <doi:10.1002/bimj.4710240209>,
Formann, 1992 <doi:10.1080/01621459.1992.10475229>.")
(license license:gpl2+)))
+
+(define-public r-erm
+ (package
+ (name "r-erm")
+ (version "1.0-0")
+ (source
+ (origin
+ (method url-fetch)
+ (uri (cran-uri "eRm" version))
+ (sha256
+ (base32
+ "11p8j61arq1ih2qi33wf0442vcdbp3zvknzm5aknsifwl4mbzzly"))))
+ (properties `((upstream-name . "eRm")))
+ (build-system r-build-system)
+ (propagated-inputs
+ `(("r-lattice" ,r-lattice)
+ ("r-mass" ,r-mass)
+ ("r-matrix" ,r-matrix)))
+ (native-inputs `(("gfortran" ,gfortran)))
+ (home-page
+ "https://cran.r-project.org/package=eRm")
+ (synopsis "Extended Rasch Modeling")
+ (description
+ "Fits Rasch models (RM), linear logistic test models (LLTM), rating scale
+model (RSM), linear rating scale models (LRSM), partial credit models (PCM),
+and linear partial credit models (LPCM). Missing values are allowed in the
+data matrix. Additional features are the ML estimation of the person
+parameters, Andersen's LR-test, item-specific Wald test, Martin-Loef-Test,
+nonparametric Monte-Carlo Tests, itemfit and personfit statistics including
+infit and outfit measures, ICC and other plots, automated stepwise item
+elimination, simulation module for various binary data matrices.")
+ (license license:gpl3)))