{
  "_id": "6a1ee4abb401979e734111a6",
  "Package": "MaddisonData",
  "Title": "Maddison Project Data",
  "Version": "1.1.0",
  "Date": "2026-01-09",
  "Authors@R": "person(\"Spencer\", \"Graves\", , \"spencer.graves@effectivedefense.org\",\nrole = c(\"aut\", \"cre\"),\ncomment = c(ORCID = \"0009-0005-5387-729X\"))",
  "Description": "Relatively easy access is provided to 2023 version of the\nMaddison project data downloaded 2025-08-28. This project\ncollates all the credible data on population and GDP for 169\ncountries, with some dating back to the year 1 of the current\nera. One function makes it easy to find the leaders for each\nyear, allowing users to delete countries like OPEC with narrow\neconomies to focus on technology leaders. Another function\nmakes it easy to plot data for only selected countries or\nyears. Another function makes it relatively easy to obtain\nreferences to the original sources, which must be cited per the\ncopyright rules of the Maddison Project for different uses of\ntheir data.",
  "License": "MIT + file LICENSE",
  "URL": "https://github.com/sbgraves237/MaddisonData",
  "BugReports": "https://github.com/sbgraves237/MaddisonData/issues",
  "Language": "en-US",
  "VignetteBuilder": "knitr",
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  "Repository": "https://sbgraves237.r-universe.dev",
  "Date/Publication": "2026-03-21 02:36:18 UTC",
  "RemoteUrl": "https://github.com/sbgraves237/maddisondata",
  "RemoteRef": "HEAD",
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  "NeedsCompilation": "no",
  "Packaged": {
    "Date": "2026-05-20 06:11:37 UTC",
    "User": "root"
  },
  "Author": "Spencer Graves [aut, cre] (ORCID:\n<https://orcid.org/0009-0005-5387-729X>)",
  "Maintainer": "Spencer Graves <spencer.graves@effectivedefense.org>",
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    "extra/citation.html",
    "extra/citation.json",
    "extra/citation.txt",
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    "ggplotPath",
    "ggplotPath2",
    "growthModel",
    "growthUpdateFn",
    "logMaddison",
    "MadDateRanges",
    "MaddisonLeaders",
    "path_package2",
    "yr"
  ],
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      "title": "Maddison Project data",
      "object": "MaddisonCountries",
      "class": [
        "data.frame"
      ],
      "fields": [
        "ISO",
        "country",
        "region"
      ],
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      "table": true,
      "tojson": true
    },
    {
      "name": "MaddisonData",
      "title": "Maddison Project data",
      "object": "MaddisonData",
      "class": [
        "tbl_df",
        "tbl",
        "data.frame"
      ],
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        "ISO",
        "year",
        "gdppc",
        "pop"
      ],
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      "table": true,
      "tojson": true
    },
    {
      "name": "MaddisonSources",
      "title": "Maddison Project data",
      "object": "MaddisonSources",
      "class": [
        "list"
      ],
      "fields": [],
      "table": true,
      "tojson": true
    },
    {
      "name": "MaddisonYears",
      "title": "Maddison Project data",
      "object": "MaddisonYears",
      "class": [
        "data.frame"
      ],
      "fields": [
        "ISO",
        "yearBegin",
        "yearEnd",
        "sourceNum"
      ],
      "rows": 133,
      "table": true,
      "tojson": true
    }
  ],
  "_help": [
    {
      "page": "getMaddisonSources",
      "title": "Get Maddison sources",
      "topics": [
        "getMaddisonSources"
      ]
    },
    {
      "page": "ggplotPath",
      "title": "'ggplot' paths",
      "topics": [
        "ggplotPath"
      ]
    },
    {
      "page": "ggplotPath2",
      "title": "'ggplotPath' in multiple panels with no space between panels and a shared horizontal axis on the bottom.",
      "topics": [
        "ggplotPath2",
        "ggplotPath2.default",
        "ggplotPath2.KFS",
        "ggplotPath2.list",
        "ggplotPath2.mts"
      ]
    },
    {
      "page": "growthModel",
      "title": "Two-dimensional growth model for 'KFAS'",
      "topics": [
        "growthModel"
      ]
    },
    {
      "page": "growthUpdateFn",
      "title": "Update function to estimating a two-dimensional growth model",
      "topics": [
        "growthUpdateFn"
      ]
    },
    {
      "page": "logMaddison",
      "title": "Select countries and add logged variables",
      "topics": [
        "logMaddison"
      ]
    },
    {
      "page": "MadDateRanges",
      "title": "Convert a vector of date ranges into a data.frame",
      "topics": [
        "MadDateRanges"
      ]
    },
    {
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      "title": "Maddison Project data",
      "topics": [
        "MaddisonCountries"
      ]
    },
    {
      "page": "MaddisonData",
      "title": "Maddison Project data",
      "topics": [
        "MaddisonData"
      ]
    },
    {
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      "title": "Identify leading countries",
      "topics": [
        "MaddisonLeaders"
      ]
    },
    {
      "page": "MaddisonSources",
      "title": "Maddison Project data",
      "topics": [
        "MaddisonSources",
        "MaddisonYears"
      ]
    },
    {
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      "title": "Construct a path to a location within an installed or development package",
      "topics": [
        "path_package2"
      ]
    },
    {
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      "title": "Summary method for an object of class 'MaddisonLeaders'",
      "topics": [
        "summary.MaddisonLeaders"
      ]
    },
    {
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      "title": "year with fraction`",
      "topics": [
        "yr"
      ]
    }
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      ],
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