{ "_id": "6a1d36711d7bb097a0a3d184", "Package": "repsd", "Title": "Root Expected Proportion Squared Difference for Detecting DIF", "Version": "1.0.1", "Authors@R": "c(\nperson(given = c(\"Anne\", \"Corrine\"), family = \"Huggins-Manley\",\nemail = \"amanley@coe.ufl.edu\", role = c(\"aut\")),\nperson(given = c(\"Anthony\", \"William\"), family = \"Raborn\",\nemail = \"anthony.w.raborn@gmail.com\", role = c(\"aut\", \"cre\"),\ncomment = c(ORCID = \"0000-0002-8083-4739\"))\n)", "Description": "Root Expected Proportion Squared Difference (REPSD) is a\nnonparametric differential item functioning (DIF) method that\n(a) allows practitioners to explore for DIF related to small,\nfine-grained focal groups of examinees, and (b) compares the\nfocal group directly to the composite group that will be used\nto develop the reported test score scale. Using your provided\nresponse matrix with a column that identifies focal group\nmembership, this package provides the REPSD values, a simulated\nnull distribution of possible REPSD values, and the simulated\np-values identifying items possibly displaying DIF without\nrequiring enormous sample sizes.", "License": "MIT + file LICENSE", "Encoding": "UTF-8", "Roxygen": "list(markdown = TRUE)", "RoxygenNote": "7.2.3", "LazyData": "true", "Config/testthat/edition": "3", "Repository": "https://anthonyraborn.r-universe.dev", "Date/Publication": "2023-04-14 22:51:49 UTC", "RemoteUrl": "https://github.com/anthonyraborn/repsd", "RemoteRef": "HEAD", "RemoteSha": "59817d9229c962b2c267e408dc8df1902eaa00c8", "NeedsCompilation": "no", "Packaged": { "Date": "2026-06-01 07:31:01 UTC", "User": "root" }, "Author": "Anne Corrine Huggins-Manley [aut],\nAnthony William Raborn [aut, cre] (ORCID:\n)", "Maintainer": "Anthony William Raborn ", "MD5sum": "08f20a20614b23342c3dd6de3b1267fb", "_user": 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TIMMS item discriminations", "object": "timmsDiscrim", "class": [ "numeric" ], "fields": [], "table": false, "tojson": true } ], "_help": [ { "page": "estimate_impact", "title": "Estimate the effect size difference between focal and composite group abilities", "topics": [ "estimate_impact" ] }, { "page": "null_repsd", "title": "null_repsd", "topics": [ "null_repsd" ] }, { "page": "plot_repsd", "title": "REPSD Null vs Observed Histogram", "topics": [ "plot_repsd" ] }, { "page": "repsd", "title": "repsd", "topics": [ "repsd" ] }, { "page": "repsd_pval", "title": "Calculating p-values for repsd", "topics": [ "repsd_pval" ] }, { "page": "timmsData", "title": "Sample data from TIMMS", "topics": [ "timmsData" ] }, { "page": "timmsDiffic", "title": "Sample TIMMS item difficulties", "topics": [ "timmsDiffic" ] }, { "page": "timmsDiscrim", "title": "Sample TIMMS item discriminations", "topics": [ "timmsDiscrim" ] } ], "_readme": "https://github.com/anthonyraborn/repsd/raw/HEAD/README.md", 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