>From e8683cb87a54b57d857689466809dd87ba7ef2d9 Mon Sep 17 00:00:00 2001 From: Lars-Dominik Braun Date: Tue, 4 Feb 2020 14:17:17 +0100 Subject: [v2 34/34] gnu: Add package r-irtoys * gnu/packages/cran.scm (r-irtoys): New variable. --- gnu/packages/cran.scm | 32 ++++++++++++++++++++++++++++++++ 1 file changed, 32 insertions(+) diff --git a/gnu/packages/cran.scm b/gnu/packages/cran.scm index 43ce04f826..5d06b8d452 100644 --- a/gnu/packages/cran.scm +++ b/gnu/packages/cran.scm @@ -20240,3 +20240,35 @@ 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))) + +(define-public r-irtoys + (package + (name "r-irtoys") + (version "0.2.1") + (source + (origin + (method url-fetch) + (uri (cran-uri "irtoys" version)) + (sha256 + (base32 + "0h6iiaxikhbxhbyksbjnb09qdxinlkwr2v9yzs5wslbni14paq5q")))) + (properties `((upstream-name . "irtoys"))) + (build-system r-build-system) + (propagated-inputs + `(("r-ltm" ,r-ltm) ("r-sm" ,r-sm))) + (home-page + "https://cran.r-project.org/package=irtoys") + (synopsis + "Collection of functions related to Item Response Theory (IRT)") + (description + "This package provides a collection of functions useful in learning and +practicing IRT, which can be combined into larger programs. Provides basic CTT +analysis, a simple common interface to the estimation of item parameters in IRT +models for binary responses with three different programs (ICL, BILOG-MG, and +ltm), ability estimation (MLE, BME, EAP, WLE, plausible values), item and +person fit statistics, scaling methods (MM, MS, Stocking-Lord, and the complete +Hebaera method), and a rich array of parametric and non-parametric (kernel) +plots. Estimates and plots Haberman's interaction model when all items are +dichotomously scored.") + (license license:gpl2+))) + -- 2.20.1