{
  "_id": "6a60d6631fed6d528131afbb",
  "Package": "FNN",
  "Version": "1.1.4.1",
  "Date": "2023-12-31",
  "Title": "Fast Nearest Neighbor Search Algorithms and Applications",
  "Authors@R": "c(person(\"Alina\", \"Beygelzimer\", role = \"aut\",\ncomment = \"cover tree library\"),\nperson(\"Sham\", \"Kakadet\", role = \"aut\",\ncomment = \"cover tree library\"),\nperson(\"John\", \"Langford\", role = \"aut\",\ncomment = \"cover tree library\"),\nperson(\"Sunil\", \"Arya\", role = \"aut\",\ncomment = \"ANN library 1.1.2 for the kd-tree approach\"),\nperson(\"David\", \"Mount\", role = \"aut\",\ncomment = \"ANN library 1.1.2 for the kd-tree approach\"),\nperson(\"Shengqiao\", \"Li\", role = c(\"aut\", \"cre\"),\nemail = \"lishengqiao@yahoo.com\"))",
  "Copyright": "ANN Copyright (c) 1997-2010 University of Maryland and Sunil\nArya and David Mount. All Rights Reserved.",
  "Description": "Cover-tree and kd-tree fast k-nearest neighbor search\nalgorithms and related applications including KNN\nclassification, regression and information measures are\nimplemented.",
  "License": "GPL (>= 2)",
  "NeedsCompilation": "yes",
  "Packaged": {
    "Date": "2026-07-22 14:34:04 UTC",
    "User": "root"
  },
  "Author": "Alina Beygelzimer [aut] (cover tree library), Sham Kakadet\n[aut] (cover tree library), John Langford [aut] (cover tree\nlibrary), Sunil Arya [aut] (ANN library 1.1.2 for the kd-tree\napproach), David Mount [aut] (ANN library 1.1.2 for the kd-tree\napproach), Shengqiao Li [aut, cre]",
  "Maintainer": "Shengqiao Li <lishengqiao@yahoo.com>",
  "Repository": "https://cran.r-universe.dev",
  "Date/Publication": "2024-09-23 02:59:28 UTC",
  "RemoteUrl": "https://github.com/cran/FNN",
  "RemoteRef": "HEAD",
  "RemoteSha": "093f22e00627c18c88e23fb43d8657c7ba270150",
  "_user": "cran",
  "_type": "src",
  "_file": "FNN_1.1.4.1.tar.gz",
  "_fileid": "https://r2.ropensci.org/1bc3a86daefd89e21938b9360c911052d3e9f91728bc211dd89b641c5c2699a2",
  "_filesize": 243310,
  "_sha256": "1bc3a86daefd89e21938b9360c911052d3e9f91728bc211dd89b641c5c2699a2",
  "_expires": "2026-10-30T14:40:33.000Z",
  "_created": "2026-07-22T14:34:04.000Z",
  "_published": "2026-07-22T14:40:34.898Z",
  "_jobs": [
    {
      "job": 88954276254,
      "time": 106,
      "config": "linux-devel-arm64",
      "r": "4.7.0",
      "check": "OK",
      "artifact": "8533335190"
    },
    {
      "job": 88954276231,
      "time": 130,
      "config": "linux-devel-x86_64",
      "r": "4.7.0",
      "check": "OK",
      "artifact": "8533348370"
    },
    {
      "job": 88954276190,
      "time": 145,
      "config": "linux-release-arm64",
      "r": "4.6.1",
      "check": "OK",
      "artifact": "8533355544"
    },
    {
      "job": 88954276264,
      "time": 126,
      "config": "linux-release-x86_64",
      "r": "4.6.1",
      "check": "OK",
      "artifact": "8533346383"
    },
    {
      "job": 88953161911,
      "time": 239,
      "config": "source",
      "r": "4.6.1",
      "check": "OK",
      "artifact": "8533272159"
    },
    {
      "job": 88954276175,
      "time": 104,
      "config": "wasm-release",
      "r": "4.6.0",
      "check": "OK",
      "artifact": "8533333540"
    },
    {
      "job": 88954276523,
      "time": 341,
      "config": "windows-devel-arm64",
      "r": "4.7.0",
      "check": "OK",
      "artifact": "8533466459"
    },
    {
      "job": 88954276230,
      "time": 118,
      "config": "windows-devel-x86_64",
      "r": "4.7.0",
      "check": "OK",
      "artifact": "8533341531"
    }
  ],
  "_host": "GitHub-Actions",
  "_buildurl": "https://github.com/r-universe/cran/actions/runs/29928864943",
  "_status": "success",
  "_upstream": "https://github.com/cran/FNN",
  "_commit": {
    "id": "093f22e00627c18c88e23fb43d8657c7ba270150",
    "author": "Shengqiao Li <lishengqiao@yahoo.com>",
    "committer": "cran-robot <csardi.gabor+cran@gmail.com>",
    "message": "version 1.1.4.1\n",
    "time": 1727060368
  },
  "_maintainer": {
    "name": "Shengqiao Li",
    "email": "lishengqiao@yahoo.com"
  },
  "_distro": "resolute",
  "_registered": true,
  "_dependencies": [
    {
      "package": "R",
      "version": ">= 4.0.0",
      "role": "Depends"
    },
    {
      "package": "chemometrics",
      "role": "Suggests"
    },
    {
      "package": "mvtnorm",
      "role": "Suggests"
    }
  ],
  "_owner": "cran",
  "_selfowned": false,
  "_usedby": 692,
  "_updates": [],
  "_tags": [],
  "_stars": 5,
  "_userbio": {
    "uuid": 6899542,
    "type": "organization",
    "name": "cran",
    "followers": 622,
    "description": "Unofficial read-only mirror of all CRAN R packages"
  },
  "_downloads": {
    "count": 113042,
    "source": "https://cranlogs.r-pkg.org/downloads/total/last-month/FNN"
  },
  "_mentions": 5,
  "_searchresults": 3112,
  "_topics": [
    "cpp"
  ],
  "_rbuild": "4.6.1",
  "_assets": [
    "extra/citation.cff",
    "extra/citation.html",
    "extra/citation.json",
    "extra/citation.txt",
    "extra/contents.json",
    "extra/FNN.html",
    "manual.pdf"
  ],
  "_realowner": "cran",
  "_cranurl": false,
  "_releases": [
    {
      "version": "0.3-1",
      "date": "2010-03-17"
    },
    {
      "version": "0.4-6",
      "date": "2010-04-02"
    },
    {
      "version": "0.5-8",
      "date": "2010-04-28"
    },
    {
      "version": "0.5-9",
      "date": "2010-05-10"
    },
    {
      "version": "0.6-0",
      "date": "2010-05-19"
    },
    {
      "version": "0.6-2",
      "date": "2010-08-11"
    },
    {
      "version": "0.6-3",
      "date": "2012-04-03"
    },
    {
      "version": "0.6-4",
      "date": "2012-10-17"
    },
    {
      "version": "1.0",
      "date": "2013-05-19"
    },
    {
      "version": "1.1",
      "date": "2013-07-31"
    },
    {
      "version": "1.1.2",
      "date": "2018-08-02"
    },
    {
      "version": "1.1.2.1",
      "date": "2018-08-10"
    },
    {
      "version": "1.1.2.2",
      "date": "2018-12-10"
    },
    {
      "version": "1.1.3",
      "date": "2019-02-15"
    },
    {
      "version": "1.1.3.1",
      "date": "2022-05-23"
    },
    {
      "version": "1.1.3.2",
      "date": "2023-03-20"
    },
    {
      "version": "1.1.4",
      "date": "2024-01-12"
    },
    {
      "version": "1.1.4.1",
      "date": "2024-09-22"
    }
  ],
  "_exports": [
    "crossentropy",
    "entropy",
    "get.knn",
    "get.knnx",
    "KL.dist",
    "KL.divergence",
    "KLx.dist",
    "KLx.divergence",
    "knn",
    "knn.cv",
    "knn.dist",
    "knn.index",
    "knn.reg",
    "knnx.dist",
    "knnx.index",
    "mutinfo",
    "ownn"
  ],
  "_help": [
    {
      "page": "crossentropy",
      "title": "Cross Entropy",
      "topics": [
        "crossentropy"
      ]
    },
    {
      "page": "entropy",
      "title": "Shannon Entropy",
      "topics": [
        "entropy"
      ]
    },
    {
      "page": "get.knn",
      "title": "Search Nearest Neighbors",
      "topics": [
        "get.knn",
        "get.knnx"
      ]
    },
    {
      "page": "KL.dist",
      "title": "Kullback-Leibler Divergence",
      "topics": [
        "KL.dist",
        "KLx.dist"
      ]
    },
    {
      "page": "KL.divergence",
      "title": "Kullback-Leibler Divergence",
      "topics": [
        "KL.divergence",
        "KLx.divergence"
      ]
    },
    {
      "page": "knn",
      "title": "k-Nearest Neighbour Classification",
      "topics": [
        "knn"
      ]
    },
    {
      "page": "knn.cv",
      "title": "k-Nearest Neighbour Classification Cross-Validation",
      "topics": [
        "knn.cv"
      ]
    },
    {
      "page": "knn.dist",
      "title": "k Nearest Neighbor Distances",
      "topics": [
        "knn.dist",
        "knnx.dist"
      ]
    },
    {
      "page": "knn.index",
      "title": "Search Nearest Neighbors",
      "topics": [
        "knn.index",
        "knnx.index"
      ]
    },
    {
      "page": "knn.reg",
      "title": "k Nearest Neighbor Regression",
      "topics": [
        "knn.reg"
      ]
    },
    {
      "page": "mutual_information",
      "title": "Mutual Information",
      "topics": [
        "mutinfo"
      ]
    },
    {
      "page": "ownn",
      "title": "Optimal Weighted Nearest Neighbor Classification",
      "topics": [
        "ownn"
      ]
    },
    {
      "page": "print.knnRegCV",
      "title": "Print Method for KNN Regression",
      "topics": [
        "print.knnReg",
        "print.knnRegCV"
      ]
    }
  ],
  "_rundeps": [],
  "_sysdeps": [
    {
      "shlib": "libstdc++",
      "package": "libstdc++6",
      "source": "gcc",
      "version": "16-20260322-1ubuntu1",
      "name": "c++",
      "homepage": "http://gcc.gnu.org/",
      "description": "GNU Standard C++ Library v3"
    }
  ],
  "_score": 10.261446778846668,
  "_indexed": true,
  "_nocasepkg": "fnn",
  "_universes": [
    "cran"
  ],
  "_binaries": [
    {
      "r": "4.7.0",
      "os": "linux",
      "version": "1.1.4.1",
      "date": "2026-07-22T14:35:54.000Z",
      "distro": "resolute",
      "arch": "aarch64",
      "commit": "093f22e00627c18c88e23fb43d8657c7ba270150",
      "fileid": "https://r2.ropensci.org/698c98c3896cb2b8920fb986bf7f6a75f52cc7f9ccfa20811aa7c268dd7635b4",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/cran/actions/runs/29928864943"
    },
    {
      "r": "4.7.0",
      "os": "linux",
      "version": "1.1.4.1",
      "date": "2026-07-22T14:36:13.000Z",
      "distro": "resolute",
      "arch": "x86_64",
      "commit": "093f22e00627c18c88e23fb43d8657c7ba270150",
      "fileid": "https://r2.ropensci.org/9f9567f99fc8f7556e0520874698b43dabc84bf8db84852d451932822f80d65e",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/cran/actions/runs/29928864943"
    },
    {
      "r": "4.6.1",
      "os": "linux",
      "version": "1.1.4.1",
      "date": "2026-07-22T14:36:30.000Z",
      "distro": "resolute",
      "arch": "aarch64",
      "commit": "093f22e00627c18c88e23fb43d8657c7ba270150",
      "fileid": "https://r2.ropensci.org/ec44114e7fbd883489461c07ed3cff650f7a11c69058474d7db8326f86dd1f64",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/cran/actions/runs/29928864943"
    },
    {
      "r": "4.6.1",
      "os": "linux",
      "version": "1.1.4.1",
      "date": "2026-07-22T14:36:09.000Z",
      "distro": "resolute",
      "arch": "x86_64",
      "commit": "093f22e00627c18c88e23fb43d8657c7ba270150",
      "fileid": "https://r2.ropensci.org/6886b66752b6ffd0be05e1467c387e0f7d5bbabc74df79d89ebd0e3a50f21d50",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/cran/actions/runs/29928864943"
    },
    {
      "r": "4.6.0",
      "os": "wasm",
      "version": "1.1.4.1",
      "date": "2026-07-22T14:35:57.000Z",
      "arch": "emscripten",
      "commit": "093f22e00627c18c88e23fb43d8657c7ba270150",
      "fileid": "https://r2.ropensci.org/da054c9c0f53747e7ab4cabd0d3b7e4fffb559422e4a93713d17744dbe9e2c87",
      "status": "success",
      "buildurl": "https://github.com/r-universe/cran/actions/runs/29928864943"
    },
    {
      "r": "4.7.0",
      "os": "win",
      "version": "1.1.4.1",
      "date": "2026-07-22T14:38:59.000Z",
      "arch": "aarch64",
      "commit": "093f22e00627c18c88e23fb43d8657c7ba270150",
      "fileid": "https://r2.ropensci.org/cc82f21dc12a2536440c2dd1d4453ef12825b686884d2b3c82e8c5bb0aecf4f4",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/cran/actions/runs/29928864943"
    },
    {
      "r": "4.7.0",
      "os": "win",
      "version": "1.1.4.1",
      "date": "2026-07-22T14:35:20.000Z",
      "arch": "x86_64",
      "commit": "093f22e00627c18c88e23fb43d8657c7ba270150",
      "fileid": "https://r2.ropensci.org/ca3064d1c9ebadd74b349452c6521a9a50ae2d09bc417d54efc21c40b65cf333",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/cran/actions/runs/29928864943"
    }
  ]
}