Package: deltaPlotR Type: Package Title: Identification of Dichotomous Differential Item Functioning (DIF) using Angoff's Delta Plot Method Version: 1.9 Date: 2026-04-24 Authors@R: c(person(given = "David", family = "Magis", role = "aut", comment = "U Liege"), person(given = "Bruno", family = "Facon", role = "aut", comment = "Univ Lille-Nord de France"), person(given = "Adela", family = "Hladka", role = "cre", email = "hladka@cs.cas.cz")) Maintainer: Adela Hladka Depends: R (>= 2.10.0), MASS Description: The deltaPlotR package implements Angoff's Delta Plot method to detect dichotomous DIF. Several detection thresholds are included, either from multivariate normality assumption or by prior determination. Item purification is supported (Magis and Facon (2014) ). License: GPL (>= 2) LazyLoad: yes NeedsCompilation: no RoxygenNote: 7.3.3 Repository: https://adelahladka.r-universe.dev Date/Publication: 2026-04-28 06:37:16 UTC RemoteUrl: https://github.com/adelahladka/deltaplotr RemoteRef: HEAD RemoteSha: 7943fb4bc865366b5a10b20739862d78f3428819 Packaged: 2026-07-03 18:30:38 UTC; root Author: David Magis [aut] (U Liege), Bruno Facon [aut] (Univ Lille-Nord de France), Adela Hladka [cre]