{
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  "Package": "prefio",
  "Title": "Structures for Preference Data",
  "Description": "Convenient structures for creating, sourcing, reading,\nwriting and manipulating ordinal preference data. Methods for\nwriting to/from PrefLib formats. See Nicholas Mattei and Toby\nWalsh \"PrefLib: A Library of Preference Data\" (2013)\n<doi:10.1007/978-3-642-41575-3_20>.",
  "Authors@R": "c(\nperson(\"Floyd\", \"Everest\", email = \"me@floydeverest.com\",\nrole = c(\"aut\", \"cre\"), comment = c(ORCID = \"0000-0002-2726-6736\")),\nperson(\"Heather\", \"Turner\", email = \"ht@heatherturner.net\",\nrole = c(\"aut\"), comment = c(ORCID = \"0000-0002-1256-3375\")),\nperson(\"Damjan\", \"Vukcevic\", email = \"damjan@vukcevic.net\",\nrole = c(\"aut\"), comment = c(ORCID = \"0000-0001-7780-9586\")))",
  "Version": "0.2.0",
  "License": "GPL-3",
  "Encoding": "UTF-8",
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  "URL": "https://github.com/fleverest/prefio/,\nhttps://fleverest.github.io/prefio/",
  "BugReports": "https://github.com/fleverest/prefio/issues/",
  "Config/testthat/edition": "3",
  "Config/pak/sysreqs": "libicu-dev",
  "Repository": "https://fleverest.r-universe.dev",
  "Date/Publication": "2025-09-11 12:41:07 UTC",
  "RemoteUrl": "https://github.com/fleverest/prefio",
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    "User": "root"
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  "_created": "2026-10-12T11:21:46.000Z",
  "_published": "2026-10-12T11:26:31.108Z",
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    "followers": 10,
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    "source": "https://cranlogs.r-pkg.org/downloads/total/last-month/prefio"
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  "_assets": [
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    "extra/citation.html",
    "extra/citation.json",
    "extra/citation.txt",
    "extra/contents.json",
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    "extra/NEWS.txt",
    "extra/prefio.html",
    "extra/readme.html",
    "extra/readme.md"
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  "_realowner": "fleverest",
  "_cranurl": true,
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      "date": "2023-03-08"
    },
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      "date": "2023-09-07"
    },
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      "version": "0.2.0",
      "date": "2025-09-28"
    }
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    "adjacency",
    "as_preferences",
    "long_preferences",
    "pref_add_unranked",
    "pref_blank",
    "pref_cov",
    "pref_get_items",
    "pref_get_rank",
    "pref_irv",
    "pref_keep",
    "pref_length",
    "pref_omit",
    "pref_pop",
    "pref_rev",
    "pref_trunc",
    "pref_type",
    "preferences",
    "ranking_matrix",
    "read_preflib",
    "wide_preferences",
    "write_preflib"
  ],
  "_help": [
    {
      "page": "adjacency",
      "title": "Compute the Adjacency Matrix for a vector of preferences",
      "topics": [
        "adjacency"
      ]
    },
    {
      "page": "pref_add_unranked",
      "title": "Complete preferences by adding unselected items as last place occurrances.",
      "topics": [
        "pref_add_unranked"
      ]
    },
    {
      "page": "pref_blank",
      "title": "Check if a preference is blank.",
      "topics": [
        "pref_blank"
      ]
    },
    {
      "page": "pref_cov",
      "title": "Covariance matrix for preferences, calculated using the rankings matrix.",
      "topics": [
        "pref_cov"
      ]
    },
    {
      "page": "pref_get_items",
      "title": "Get the name of the item(s) assigned a specific rank, e.g., first.",
      "topics": [
        "pref_get_items"
      ]
    },
    {
      "page": "pref_get_rank",
      "title": "Get the rank assigned to a specific item in a set of preferences.",
      "topics": [
        "pref_get_rank"
      ]
    },
    {
      "page": "pref_irv",
      "title": "Compute the instant-runoff voting winner for a set of preferences.",
      "topics": [
        "pref_irv"
      ]
    },
    {
      "page": "pref_keep",
      "title": "Keep only specified items from preferences.",
      "topics": [
        "pref_keep"
      ]
    },
    {
      "page": "pref_length",
      "title": "Check the length (number of rankings) of a preference.",
      "topics": [
        "pref_length"
      ]
    },
    {
      "page": "pref_omit",
      "title": "Remove specified items from preferences.",
      "topics": [
        "pref_omit"
      ]
    },
    {
      "page": "pref_pop",
      "title": "Eliminate lowest (or highest) ranked items from preferences.",
      "topics": [
        "pref_pop"
      ]
    },
    {
      "page": "pref_rev",
      "title": "Reverse preference rankings",
      "topics": [
        "pref_rev"
      ]
    },
    {
      "page": "pref_trunc",
      "title": "Truncate preferences to a maximum number of ranks.",
      "topics": [
        "pref_trunc"
      ]
    },
    {
      "page": "pref_type",
      "title": "pref_type",
      "topics": [
        "pref_type"
      ]
    },
    {
      "page": "preferences",
      "title": "Preferences Objects",
      "topics": [
        "as_preferences",
        "format.preferences",
        "levels.preferences",
        "long_preferences",
        "preferences",
        "wide_preferences"
      ]
    },
    {
      "page": "ranking_matrix",
      "title": "Compute the Rankings Matrix for a vector of preferences",
      "topics": [
        "ranking_matrix"
      ]
    },
    {
      "page": "read_preflib",
      "title": "Read Ordinal Preference Data From PrefLib",
      "topics": [
        "read_preflib"
      ]
    },
    {
      "page": "write_preflib",
      "title": "Write Ordinal Preference Data to PrefLib Formats",
      "topics": [
        "write_preflib"
      ]
    }
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