{
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  "Package": "provDebugR",
  "Title": "A Time-Travelling Debugger",
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  "Date": "2021-04-20",
  "Authors@R": "c(\nperson(\"Orenna\", \"Brand\", email = \"o.brand@columbia.edu\", role = \"aut\"),\nperson(\"Elizabeth\", \"Fong\", email = \"fong22e@mtholyoke.edu\", role = \"aut\"),\nperson(\"Barbara\", \"Lerner\", email = \"blerner@mtholyoke.edu\", role = \"cre\"),\nperson(\"Rose\", \"Sheehan\", email = \"sheeh22r@mtholyoke.edu\", role = \"aut\"),\nperson(\"Joseph\", \"Wonsil\", email = \"jwonsil@carthage.edu\", role = \"aut\"),\nperson(\"Emery\", \"Boose\", email = \"boose@fas.harvard.edu\", role = \"aut\")\n)",
  "Description": "Uses provenance post-execution to help the user understand\nand debug their script by providing functions to look at\nintermediate steps and data values, their forwards and\nbackwards lineage, and to understand the steps leading up to\nwarning and error messages. 'provDebugR' uses provenance\nproduced by 'rdtLite' (available on CRAN), stored in PROV-JSON\nformat.",
  "License": "GPL-3",
  "Encoding": "UTF-8",
  "Additional_repositories": "https://end-to-end-provenance.github.io/drat/",
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  "Maintainer": "Barbara Lerner <blerner@mtholyoke.edu>",
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    "extra/citation.html",
    "extra/citation.json",
    "extra/citation.txt",
    "extra/contents.json",
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      "date": "2021-02-17"
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      "date": "2021-04-22"
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    "debug.line",
    "debug.lineage",
    "debug.state",
    "debug.type.changes",
    "debug.variable",
    "debug.view",
    "debug.warning",
    "prov.debug",
    "prov.debug.file",
    "prov.debug.run"
  ],
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      "page": "debug.exceptions",
      "title": "Tracking the Lineage of Errors and Warnings",
      "topics": [
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        "debug.warning"
      ]
    },
    {
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      "title": "Displaying variable values",
      "topics": [
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        "debug.state",
        "debug.variable"
      ]
    },
    {
      "page": "debug.lineage",
      "title": "The Lineage of a Variable/Data Node.",
      "topics": [
        "debug.lineage"
      ]
    },
    {
      "page": "debug.type.changes",
      "title": "Tracking Type Changes",
      "topics": [
        "debug.type.changes"
      ]
    },
    {
      "page": "debug.view",
      "title": "debug.view",
      "topics": [
        "debug.view"
      ]
    },
    {
      "page": "prov.debug",
      "title": "A Time-Travelling Debugger for R - Debugger Initialization",
      "topics": [
        "prov.debug",
        "prov.debug.file",
        "prov.debug.run"
      ]
    }
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    "cli",
    "cpp11",
    "curl",
    "glue",
    "httr",
    "igraph",
    "jsonlite",
    "lattice",
    "lifecycle",
    "magrittr",
    "Matrix",
    "mime",
    "openssl",
    "pkgconfig",
    "provGraphR",
    "provParseR",
    "R6",
    "rlang",
    "sys",
    "textutils",
    "vctrs"
  ],
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      "filename": "Home.html",
      "title": "Introduction to Using Provenance to Debug with provDebugR",
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      "headings": [
        "What is provenance?",
        "Why provDebugR?",
        "Initialisation",
        "prov.debug.run(script, ...)",
        "prov.debug()",
        "prov.debug.file",
        "Other provDebugR Functions",
        "Functions to help debug error and warning messages",
        "debug.error, debug.warning and debug.type.changes",
        "Functions to display variable values at different points of execution",
        "debug.line, debug.state, debug.variable, and debug.view",
        "Function to display the lineage of a data object",
        "debug.lineage",
        "End-to-end Provenance"
      ],
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      "modified": "2021-02-17 18:40:06",
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      "filename": "debug.errors.html",
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        "Stack Overflow",
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        "Forwards lineage of a variable"
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      "modified": "2021-02-17 18:40:06",
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