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| -rw-r--r-- | gnu/packages/cran.scm | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/gnu/packages/cran.scm b/gnu/packages/cran.scm index adc4bd84fe..238fc5c65a 100644 --- a/gnu/packages/cran.scm +++ b/gnu/packages/cran.scm @@ -19615,3 +19615,31 @@ other observation schemes are supported. Both Markov transition rates and the hidden Markov output process can be modelled in terms of covariates, which may be constant or piecewise-constant in time.") (license license:gpl2+))) + +(define-public r-ltm + (package + (name "r-ltm") + (version "1.1-1") + (source + (origin + (method url-fetch) + (uri (cran-uri "ltm" version)) + (sha256 + (base32 + "1qrgzwx5l58qf5rfp1knxc84r0g943q5sdr3ky74zzwpnmrf2vf7")))) + (properties `((upstream-name . "ltm"))) + (build-system r-build-system) + (propagated-inputs + `(("r-mass" ,r-mass) + ("r-msm" ,r-msm) + ("r-polycor" ,r-polycor))) + (home-page "https://github.com/drizopoulos/ltm") + (synopsis "Latent trait models under IRT") + (description + "This is a package supporting the analysis of multivariate dichotomous +and polytomous data using latent trait models under the Item Response Theory +approach. It includes the Rasch, the Two-Parameter Logistic, the Birnbaum's +Three-Parameter, the Graded Response, and the Generalized Partial Credit +Models.") + (license license:gpl2+))) + |