{ "_id": "6a102793acfb0bcc41c902c9", "Package": "CDM", "Type": "Package", "Title": "Cognitive Diagnosis Modeling", "Version": "8.4-9", "Date": "2025-10-30 12:39:38", "Authors@R": "c(person(given = \"Alexander\",\nfamily = \"Robitzsch\",\nrole = c(\"aut\", \"cre\"),\nemail = \"robitzsch@ipn.uni-kiel.de\"),\nperson(given = \"Thomas\",\nfamily = \"Kiefer\",\nrole = \"aut\"),\nperson(given = c(\"Ann\", \"Cathrice\"),\nfamily = \"George\",\nrole = \"aut\"),\nperson(given = \"Ali\",\nfamily = \"Uenlue\",\nrole = \"aut\"))", "Maintainer": "Alexander Robitzsch ", "Description": "Functions for cognitive diagnosis modeling and\nmultidimensional item response modeling for dichotomous and\npolytomous item responses. This package enables the estimation\nof the DINA and DINO model (Junker & Sijtsma, 2001,\n), the multiple group\n(polytomous) GDINA model (de la Torre, 2011,\n), the multiple choice DINA\nmodel (de la Torre, 2009, ), the\ngeneral diagnostic model (GDM; von Davier, 2008,\n), the structured latent class\nmodel (SLCA; Formann, 1992,\n) and regularized latent\nclass analysis (Chen, Li, Liu, & Ying, 2017,\n). See George, Robitzsch,\nKiefer, Gross, and Uenlue (2017) or\nRobitzsch and George (2019, )\nfor further details on estimation and the package structure.\nFor tutorials on how to use the CDM package see George and\nRobitzsch (2015, ) as well as\nRavand and Robitzsch (2015).", "LazyLoad": "yes", "LazyData": "yes", "URL": "https://github.com/alexanderrobitzsch/CDM,\nhttps://sites.google.com/view/alexander-robitzsch/software", "License": "GPL (>= 2)", "BugReports": "https://github.com/alexanderrobitzsch/CDM/issues?state=open", "Repository": "https://alexanderrobitzsch.r-universe.dev", "Date/Publication": "2025-10-30 11:52:47 UTC", "RemoteUrl": "https://github.com/alexanderrobitzsch/cdm", "RemoteRef": "HEAD", "RemoteSha": "9a731f28426367d9c56576035930c7246a902894", "NeedsCompilation": "yes", "Packaged": { "Date": "2026-05-13 08:31:53 UTC", "User": "root" }, "Author": "Alexander Robitzsch [aut, cre],\nThomas Kiefer [aut],\nAnn Cathrice George [aut],\nAli Uenlue [aut]", "MD5sum": 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