{
  "_id": "6a1f1f94b401979e734201b5",
  "Package": "lavDiag",
  "Title": "Latent Variable Models Diagnostics",
  "Version": "0.1.0",
  "Authors@R": "person(\"Karel\", \"Rečka\", , \"reckak@mail.muni.cz\", role = c(\"aut\", \"cre\"))",
  "Description": "Diagnostics and visualization tools for latent variable\nmodels fitted with 'lavaan' (Rosseel, 2012\n<doi:10.18637/jss.v048.i02>). The package provides fast,\nparallel-safe factor-score prediction (lavPredict_parallel()),\ndata augmentation with model predictions, residuals,\ndelta-method standard errors and confidence intervals\n(augment()), and model-based latent grids for continuous,\nordinal, or mixed indicators (prepare()). It offers item-level\nempirical versus model curve comparison using generalized\nadditive models for both continuous and ordinal indicators\n(item_data(), item_plot()) via 'mgcv' (Wood, 2017,\nISBN:9781498728331), residual diagnostics including residual\ncorrelation tables and plots (resid_cor(), resid_corrplot())\nusing 'corrplot' (Wei and Simko, 2021\n<https://github.com/taiyun/corrplot>), and Q–Q checks of\nresidual z-statistics (resid_qq()), optionally with\nnon-overlapping labels from 'ggrepel' (Slowikowski, 2024\n<https://CRAN.R-project.org/package=ggrepel>). Heavy\ncomputations are parallelized via 'future'/'furrr' (Bengtsson,\n2021 <doi:10.32614/RJ-2021-048>; Vaughan and Dancho, 2018\n<https://CRAN.R-project.org/package=furrr>). Methods build on\nestablished literature and packages listed above.",
  "License": "MIT + file LICENSE",
  "URL": "https://github.com/reckak/lavDiag",
  "BugReports": "https://github.com/reckak/lavDiag/issues",
  "Encoding": "UTF-8",
  "Language": "en-US",
  "Roxygen": "list(markdown = TRUE)",
  "RoxygenNote": "7.3.3",
  "Config/testthat/edition": "3",
  "Config/pak/sysreqs": "cmake libglpk-dev make libicu-dev libuv1-dev\nlibxml2-dev",
  "Repository": "https://reckak.r-universe.dev",
  "Date/Publication": "2026-01-20 17:40:45 UTC",
  "RemoteUrl": "https://github.com/reckak/lavdiag",
  "RemoteRef": "HEAD",
  "RemoteSha": "fbef85c5c225abf982644b20dacb711d1b356e3b",
  "NeedsCompilation": "no",
  "Packaged": {
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    "User": "root"
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  "Author": "Karel Rečka [aut, cre]",
  "Maintainer": "Karel Rečka <reckak@mail.muni.cz>",
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  "_created": "2026-05-16T08:04:44.000Z",
  "_published": "2026-06-02T18:23:16.774Z",
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    "committer": "GitHub <noreply@github.com>",
    "message": "Merge pull request #15 from reckak/reckak\n\nitem_data NEW",
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      "title": "Augment SEM data with predictions, residuals, SEs/CIs, and ordinal extras",
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      "title": "Compute Empirical and Model-Based Item Curves with Fit Diagnostics",
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      ]
    },
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