{ "_id": "6a2131a6cd65a98ecbd255f4", "Package": "Qval", "Type": "Package", "Title": "The Q-Matrix Validation Methods Framework", "Version": "1.2.4", "Date": "2025-11-20", "Author": "Haijiang Qin [aut, cre, cph] (ORCID:\n), Lei Guo [aut, cph]\n(ORCID: )", "Authors@R": "c(person(given = \"Haijiang\", \nfamily = \"Qin\",\nrole = c(\"aut\", \"cre\", \"cph\"),\nemail = \"haijiang133@outlook.com\",\ncomment = c(ORCID = \"0009-0000-6721-5653\")),\nperson(given = \"Lei\",\nfamily = \"Guo\",\nrole = c(\"aut\", \"cph\"),\nemail = \"happygl1229@swu.edu.cn\",\ncomment = c(ORCID = \"0000-0002-8273-3587\")))", "Maintainer": "Haijiang Qin ", "Description": "Provide a variety of Q-matrix validation methods for the\ngeneralized cognitive diagnosis models, including the method\nbased on the generalized deterministic input, noisy, and gate\nmodel (G-DINA) by de la Torre (2011)\n discrimination index (the GDI\nmethod) by de la Torre and Chiu (2016)\n, the Hull method by Najera et\nal. 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