{ "_id": "6a101848acfb0bcc41c855cd", "Package": "lordif", "Version": "0.4.2", "Date": "2025-1-8", "Title": "Logistic Ordinal Regression Differential Item Functioning using\nIRT", "Authors@R": "c(person(given = c(\"Seung\", \"W.\"),\nfamily = \"Choi\",\nrole = c(\"aut\", \"cre\"),\nemail = \"schoi@austin.utexas.edu\"),\nperson(given = c(\"Laura\", \"E.\"),\nfamily = \"Gibbons\",\nrole = \"aut\"),\nperson(given = c(\"Paul\", \"K.\"),\nfamily = \"Crane\",\nrole = \"aut\"))", "Maintainer": "Seung W. Choi ", "Description": "Performs analysis of Differential Item Functioning (DIF)\nfor dichotomous and polytomous items using an iterative hybrid\nof ordinal logistic regression and item response theory (IRT)\naccording to Choi, Gibbons, and Crane (2011)\n.", "License": "GPL (>= 2)", "LazyLoad": "yes", "NeedsCompilation": "no", "Config/pak/sysreqs": "cmake make libicu-dev libuv1-dev libx11-dev", "Repository": "https://choi-phd.r-universe.dev", "Date/Publication": "2026-03-23 21:26:06 UTC", "RemoteUrl": "https://github.com/choi-phd/lordif", "RemoteRef": "HEAD", "RemoteSha": "758348bf82abdf46055ceaee79f827dd73ad42a2", "Packaged": { "Date": "2026-05-22 08:44:10 UTC", "User": "root" }, "Author": "Seung W. Choi [aut, cre],\nLaura E. Gibbons [aut],\nPaul K. 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