{
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  "Title": "Extended Graphical Model Checks for the Rasch Family of Models",
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  "Date": "2026-07-20",
  "Authors@R": "person(given  = c('Rainer', 'W.'),\nfamily = 'Alexandrowicz',\nrole   = c('aut', 'cre'),\nemail  = 'rainer.alexandrowicz@aau.at')",
  "Description": "The function plotLRT() draws pairwise graphical model\nchecks for the Rasch Model (RM; Rasch, 1960), the Partial\nCredit Model (PCM; Masters, 1982), and the Rating Scale Model\n(RSM; Andrich, 1978) using the output object of eRm::LRtest().\nThe function cLRT() provides a conditional Likelihood Ratio\nTest (Andersen, 1973), using the routines of 'psychotools'\n(Zeileis et al., 2026). Users may choose to plot the threshold\nparameters, the cumulative thresholds, the average thresholds\nper item, or the person parameters. Extended coloring options\nallow for automated item-wise or threshold-wise coloring. For\nmulti-group splits, all pairwise group comparisons are drawn\nautomatically. The function plotMLT() draws a graphical model\ncheck for the Martin-Loef-Test (MLT). If type='persons', it\ndraws scatterplots of the person parameter estimates of each\npair of item sub-groups. If type='items', it draws a\nscatterplot of the item/threshold parameter estimates of each\nof the two sub-groups vertically against the estimates of the\ntotal sample horizontally.",
  "License": "GPL (>= 3)",
  "NeedsCompilation": "no",
  "Packaged": {
    "Date": "2026-07-21 05:00:07 UTC",
    "User": "root"
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  "Author": "Rainer W. Alexandrowicz [aut, cre]",
  "Maintainer": "Rainer W. Alexandrowicz <rainer.alexandrowicz@aau.at>",
  "Repository": "https://cran.r-universe.dev",
  "Date/Publication": "2026-07-20 22:30:07 UTC",
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      "page": "cLRT",
      "title": "Conditional Likelihood Ratio Test (cLRT) using psychotool's routines",
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      "title": "Extended Graphical Model Checks for multi-group splits of RM/PCM/RSM",
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        "gmx"
      ]
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      "title": "Extended Graphical Model Checks for multi-group splits of RM/PCM/RSM",
      "topics": [
        "plotLRT"
      ]
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