{ "_id": "6ae843de818c9e3ef6dbd551", "Package": "bifactory", "Title": "(Bifactor) ESEM with Continuous (MLR) or Ordinal (WLSMV) Data", "Version": "0.6.2", "Authors@R": "person(given = \"Leon T.\",\nfamily = \"De Beer\",\nemail = \"leondb@gmail.com\",\nrole = c(\"aut\", \"cre\"))", "Description": "Fits bifactor exploratory structural equation models\n(B-ESEM), together with standard exploratory structural\nequation modeling (ESEM) and confirmatory factor analysis\n(CFA), for continuous and ordinal data. Continuous models use\n'lavaan' native efa() blocks with robust maximum likelihood\n(MLR) estimation. Ordinal ESEM defaults to the 'lavaan'\nweighted least squares mean- and variance-adjusted (WLSMV)\nestimator; ordinal B-ESEM uses a custom diagonally weighted\nleast squares (DWLS) path with polychoric correlations from\n'lavaan', rotation-delta standard errors via 'numDeriv', and a\nmean- and variance-adjusted chi-square. Target, geomin, and\noblimin rotations use 'GPArotation'; the bifactor ESEM approach\nfollows Morin, Arens and Marsh (2016)\n. Additional features include\nmulti-group measurement invariance (configural through strict,\nwith partial invariance), ESEM-within-CFA conversion,\nMcDonald's omega reliability suite, and the Mehrvarz and Rouder\n(2026) alignment ratio check for\nindependent cluster model confirmatory factor analysis\n(ICM-CFA) misspecification. An optional 'MplusAutomation'\ninterface allows side-by-side comparison with 'Mplus' output.", "License": "AGPL-3", "URL": "https://github.com/leondebeer/bifactory", "BugReports": "https://github.com/leondebeer/bifactory/issues", "Encoding": "UTF-8", "Config/testthat/edition": "3", "Config/roxygen2/version": "8.0.0", "NeedsCompilation": "no", "Packaged": { "Date": "2026-11-02 07:57:24 UTC", "User": "root" }, "Author": "Leon T. De Beer [aut, cre]", "Maintainer": "Leon T. 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