{
  "_id": "6a1f2406b401979e73420c83",
  "Package": "versions",
  "Type": "Package",
  "Title": "Query and Install Specific Versions of Packages on CRAN",
  "Version": "0.4",
  "Date": "2017-04-25",
  "Author": "Nick Golding",
  "Maintainer": "Nick Golding <nick.golding.research@gmail.com>",
  "Description": "Installs specified versions of R packages hosted on CRAN\nand provides functions to list available versions and the\nversions of currently installed packages. These tools can be\nused to help make R projects and packages more reproducible.\n'versions' fits in the narrow gap between the 'devtools'\ninstall_version() function and the 'checkpoint' package.\ndevtools::install_version() installs a stated package version\nfrom source files stored on the CRAN archives. However CRAN\ndoes not store binary versions of packages so Windows users\nneed to have RTools installed and Windows and OSX users get\nlonger installation times. 'checkpoint' uses the Revolution\nAnalytics MRAN server to install packages (from source or\nbinary) as they were available on a given date. It also\nprovides a helpful interface to detect the packages in use in a\ndirectory and install all of those packages for a given date.\n'checkpoint' doesn't provide install.packages-like\nfunctionality however, and that's what 'versions' aims to do,\nby querying MRAN. As MRAN only goes back to 2014-09-17,\n'versions' can't install packages archived before this date.",
  "License": "BSD_3_clause + file LICENSE",
  "BugReports": "https://github.com/goldingn/versions/issues",
  "RoxygenNote": "6.0.1",
  "Repository": "https://goldingn.r-universe.dev",
  "Date/Publication": "2018-04-24 03:47:59 UTC",
  "RemoteUrl": "https://github.com/goldingn/versions",
  "RemoteRef": "HEAD",
  "RemoteSha": "de231cb523aa9134a1bd4e947c8204a7a08f3daa",
  "NeedsCompilation": "no",
  "Packaged": {
    "Date": "2026-05-16 06:39:19 UTC",
    "User": "root"
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  "_user": "goldingn",
  "_type": "src",
  "_file": "versions_0.4.tar.gz",
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  "_created": "2026-05-16T06:39:19.000Z",
  "_published": "2026-06-02T18:42:14.856Z",
  "_distro": "noble",
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  ],
  "_buildurl": "https://github.com/r-universe/goldingn/actions/runs/25955134232",
  "_status": "success",
  "_host": "GitHub-Actions",
  "_upstream": "https://github.com/goldingn/versions",
  "_commit": {
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    "author": "Nick Golding <goldingn35@gmail.com>",
    "committer": "Nick Golding <goldingn35@gmail.com>",
    "message": "explicitly install devtools on Travis\n",
    "time": 1524541679
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  "_maintainer": {
    "name": "Nick Golding",
    "email": "nick.golding.research@gmail.com",
    "login": "goldingn",
    "uuid": 4450731
  },
  "_registered": true,
  "_dependencies": [
    {
      "package": "testthat",
      "role": "Suggests"
    }
  ],
  "_owner": "goldingn",
  "_selfowned": true,
  "_usedby": 0,
  "_updates": [],
  "_tags": [],
  "_stars": 25,
  "_contributors": [
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      "count": 81,
      "uuid": 4450731
    },
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      "count": 2,
      "uuid": 6773454
    },
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      "uuid": 5818871
    }
  ],
  "_userbio": {
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    "type": "user",
    "name": "Nick Golding"
  },
  "_downloads": {
    "count": 436,
    "source": "https://cranlogs.r-pkg.org/downloads/total/last-month/versions"
  },
  "_devurl": "https://github.com/goldingn/versions",
  "_searchresults": 55,
  "_rbuild": "4.6.0",
  "_assets": [
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    "extra/citation.html",
    "extra/citation.json",
    "extra/citation.txt",
    "extra/contents.json",
    "extra/readme.html",
    "extra/readme.md",
    "extra/versions.html",
    "manual.pdf"
  ],
  "_homeurl": "https://github.com/goldingn/versions",
  "_realowner": "goldingn",
  "_cranurl": true,
  "_releases": [
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      "date": "2015-09-18"
    },
    {
      "version": "0.2",
      "date": "2016-02-17"
    },
    {
      "version": "0.3",
      "date": "2016-09-01"
    }
  ],
  "_exports": [
    "available.versions",
    "install.dates",
    "install.versions",
    "installed.versions"
  ],
  "_help": [
    {
      "page": "versions-package",
      "title": "versions: Query and Install Specific Versions of Packages on CRAN",
      "topics": [
        "versions-package"
      ]
    },
    {
      "page": "available.versions",
      "title": "available.versions",
      "topics": [
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      ]
    },
    {
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      "title": "install.dates",
      "topics": [
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      ]
    },
    {
      "page": "install.versions",
      "title": "install.versions",
      "topics": [
        "install.versions"
      ]
    },
    {
      "page": "installed.versions",
      "title": "installed.versions",
      "topics": [
        "installed.versions"
      ]
    }
  ],
  "_readme": "https://github.com/goldingn/versions/raw/HEAD/README.md",
  "_rundeps": [],
  "_score": 5.138302698166282,
  "_indexed": true,
  "_nocasepkg": "versions",
  "_universes": [
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}