From 694b581020d5b82ffb2ef3fe2a6a05bf0f703c05 Mon Sep 17 00:00:00 2001 From: Lars-Dominik Braun Date: Fri, 31 Jan 2020 18:32:48 +0100 Subject: [v2 14/34] gnu: Add package r-ltm * gnu/packages/cran.scm (r-ltm): New variable. --- gnu/packages/cran.scm | 27 +++++++++++++++++++++++++++ 1 file changed, 27 insertions(+) diff --git a/gnu/packages/cran.scm b/gnu/packages/cran.scm index 2d8e2f6f7d..ad4cf0bb0b 100644 --- a/gnu/packages/cran.scm +++ b/gnu/packages/cran.scm @@ -19634,3 +19634,30 @@ 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 + "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+))) + -- 2.20.1