{
  "_id": "6ace0e90a14063b82c3af0f6",
  "Package": "mlbench",
  "Version": "2.1-11",
  "Title": "Machine Learning Benchmark Problems",
  "Authors@R": "c(person(\"Friedrich\", \"Leisch\", role = \"aut\",\ncomment = c(ORCID = \"0000-0001-7278-1983\",\n\"maintainer up to 2024\")),\nperson(\"Evgenia\", \"Dimitriadou\", role = \"aut\"),\nperson(\"Kurt\", \"Hornik\", role = \"cre\",\nemail = \"Kurt.Hornik@R-project.org\",\ncomment = c(ORCID = \"0000-0003-4198-9911\")),\nperson(\"Matthias\", \"Templ\", role = \"ctb\",\nemail = \"matthias.templ@gmail.com\",\ncomment = c(ORCID = \"0000-0002-8638-5276\")))",
  "Description": "A collection of artificial and real-world machine learning\nbenchmark problems, including, e.g., several data sets from the\nUCI repository.",
  "License": "GPL-2",
  "ZipData": "No",
  "NeedsCompilation": "yes",
  "Packaged": {
    "Date": "2026-10-13 10:51:36 UTC",
    "User": "root"
  },
  "Author": "Friedrich Leisch [aut] (ORCID:\n<https://orcid.org/0000-0001-7278-1983>, maintainer up to\n2024), Evgenia Dimitriadou [aut], Kurt Hornik [cre] (ORCID:\n<https://orcid.org/0000-0003-4198-9911>), Matthias Templ [ctb]\n(ORCID: <https://orcid.org/0000-0002-8638-5276>)",
  "Maintainer": "Kurt Hornik <Kurt.Hornik@R-project.org>",
  "Repository": "https://kurthornik.r-universe.dev",
  "Date/Publication": "2026-08-14 18:21:31 UTC",
  "RemoteUrl": "https://github.com/cran/mlbench",
  "RemoteRef": "HEAD",
  "RemoteSha": "cac29006212630e1779cebbe25818dc558e0c04c",
  "_user": "kurthornik",
  "_type": "src",
  "_file": "mlbench_2.1-11.tar.gz",
  "_fileid": "https://r2.ropensci.org/d794b6b32e5c673c752190fad5e12b54b6844f9c2d3217744902a94701c45048",
  "_filesize": 1255257,
  "_sha256": "d794b6b32e5c673c752190fad5e12b54b6844f9c2d3217744902a94701c45048",
  "_expires": "2027-01-21T10:57:17.000Z",
  "_created": "2026-10-13T10:51:36.000Z",
  "_published": "2026-10-13T10:57:19.823Z",
  "_buildurl": "https://github.com/r-universe/kurthornik/actions/runs/38385963013",
  "_status": "success",
  "_host": "GitHub-Actions",
  "_jobs": [
    {
      "job": 115258713352,
      "time": 88,
      "config": "linux-devel-arm64",
      "r": "4.7.0",
      "check": "OK",
      "artifact": "11807505334"
    },
    {
      "job": 115258713300,
      "time": 104,
      "config": "linux-devel-x86_64",
      "r": "4.7.0",
      "check": "OK",
      "artifact": "11806576608"
    },
    {
      "job": 115258713933,
      "time": 81,
      "config": "linux-release-arm64",
      "r": "4.6.1",
      "check": "OK",
      "artifact": "11806681569"
    },
    {
      "job": 115258713441,
      "time": 97,
      "config": "linux-release-x86_64",
      "r": "4.6.1",
      "check": "OK",
      "artifact": "11806905530"
    },
    {
      "job": 115258713282,
      "time": 89,
      "config": "macos-oldrel-arm64",
      "r": "4.5.3",
      "check": "OK",
      "artifact": "11807390664"
    },
    {
      "job": 115258713280,
      "time": 273,
      "config": "macos-oldrel-x86_64",
      "r": "4.5.3",
      "check": "OK",
      "artifact": "11807260871"
    },
    {
      "job": 115258713856,
      "time": 122,
      "config": "macos-release-arm64",
      "r": "4.6.1",
      "check": "OK",
      "artifact": "11806641986"
    },
    {
      "job": 115258713676,
      "time": 156,
      "config": "macos-release-x86_64",
      "r": "4.6.1",
      "check": "OK",
      "artifact": "11807311072"
    },
    {
      "job": 115257852380,
      "time": 132,
      "config": "source",
      "r": "4.6.1",
      "check": "OK",
      "artifact": "11806561411"
    },
    {
      "job": 115258713326,
      "time": 74,
      "config": "wasm-release",
      "r": "4.6.0",
      "check": "OK",
      "artifact": "11806990462"
    },
    {
      "job": 115258713444,
      "time": 190,
      "config": "windows-devel-arm64",
      "r": "4.7.0",
      "check": "OK",
      "artifact": "11806312067"
    },
    {
      "job": 115258713430,
      "time": 130,
      "config": "windows-devel-x86_64",
      "r": "4.7.0",
      "check": "OK",
      "artifact": "11806840628"
    },
    {
      "job": 115258713421,
      "time": 58,
      "config": "windows-oldrel-x86_64",
      "r": "4.5.3",
      "check": "OK",
      "artifact": "11807310283"
    },
    {
      "job": 115258713783,
      "time": 186,
      "config": "windows-release-arm64",
      "r": "4.6.1",
      "check": "OK",
      "artifact": "11807395636"
    },
    {
      "job": 115258713332,
      "time": 82,
      "config": "windows-release-x86_64",
      "r": "4.6.1",
      "check": "OK",
      "artifact": "11807640168"
    }
  ],
  "_upstream": "https://github.com/cran/mlbench",
  "_commit": {
    "id": "cac29006212630e1779cebbe25818dc558e0c04c",
    "author": "Kurt Hornik <Kurt.Hornik@R-project.org>",
    "committer": "cran-robot <csardi.gabor+cran@gmail.com>",
    "message": "version 2.1-11\n",
    "time": 1786731691
  },
  "_maintainer": {
    "name": "Kurt Hornik",
    "email": "kurt.hornik@r-project.org",
    "login": "kurthornik",
    "orcid": "0000-0003-4198-9911",
    "description": "",
    "uuid": 124706059
  },
  "_distro": "resolute",
  "_registered": true,
  "_dependencies": [
    {
      "package": "R",
      "version": ">= 2.10",
      "role": "Depends"
    },
    {
      "package": "lattice",
      "role": "Suggests"
    }
  ],
  "_owner": "cran",
  "_selfowned": true,
  "_usedby": 69,
  "_updates": [
    {
      "week": "2026-08",
      "n": 1
    },
    {
      "week": "2026-13",
      "n": 1
    },
    {
      "week": "2026-29",
      "n": 1
    },
    {
      "week": "2026-30",
      "n": 1
    },
    {
      "week": "2026-33",
      "n": 1
    }
  ],
  "_tags": [
    {
      "name": "2.1-7",
      "date": "2026-02-18"
    },
    {
      "name": "2.1-8",
      "date": "2026-03-26"
    },
    {
      "name": "2.1-9",
      "date": "2026-07-13"
    },
    {
      "name": "2.1-10",
      "date": "2026-07-24"
    },
    {
      "name": "2.1-11",
      "date": "2026-08-14"
    }
  ],
  "_stars": 2,
  "_contributors": [
    {
      "user": "kurthornik",
      "count": 7,
      "uuid": 124706059
    }
  ],
  "_userbio": {
    "uuid": 124706059,
    "type": "user",
    "name": "Kurt Hornik",
    "followers": 56
  },
  "_downloads": {
    "count": 35600,
    "source": "https://cranlogs.r-pkg.org/downloads/total/last-month/mlbench"
  },
  "_mentions": 8,
  "_searchresults": 8112,
  "_rbuild": "4.6.1",
  "_assets": [
    "extra/citation.cff",
    "extra/citation.html",
    "extra/citation.json",
    "extra/citation.txt",
    "extra/contents.json",
    "extra/manual.pdf",
    "extra/mlbench.html",
    "extra/NEWS.html",
    "extra/NEWS.txt"
  ],
  "_realowner": "kurthornik",
  "_cranurl": false,
  "_releases": [
    {
      "version": "0.3-2",
      "date": "1999-02-24"
    },
    {
      "version": "0.4-1",
      "date": "1999-08-24"
    },
    {
      "version": "0.4-3",
      "date": "2000-12-13"
    },
    {
      "version": "0.5-1",
      "date": "2001-05-15"
    },
    {
      "version": "0.5-2",
      "date": "2001-07-17"
    },
    {
      "version": "0.5-3",
      "date": "2001-12-07"
    },
    {
      "version": "0.5-4",
      "date": "2001-12-12"
    },
    {
      "version": "0.5-5",
      "date": "2002-07-03"
    },
    {
      "version": "0.5-6",
      "date": "2002-10-31"
    },
    {
      "version": "0.5-7",
      "date": "2002-11-06"
    },
    {
      "version": "0.5-8",
      "date": "2003-02-10"
    },
    {
      "version": "0.5-10",
      "date": "2003-10-14"
    },
    {
      "version": "1.0-0",
      "date": "2004-02-03"
    },
    {
      "version": "1.0-1",
      "date": "2005-03-07"
    },
    {
      "version": "1.0-2",
      "date": "2005-05-20"
    },
    {
      "version": "1.1-0",
      "date": "2005-08-30"
    },
    {
      "version": "1.1-1",
      "date": "2006-05-23"
    },
    {
      "version": "1.1-2",
      "date": "2006-10-09"
    },
    {
      "version": "1.1-3",
      "date": "2007-06-01"
    },
    {
      "version": "1.1-4",
      "date": "2008-07-02"
    },
    {
      "version": "1.1-5",
      "date": "2009-01-12"
    },
    {
      "version": "1.1-6",
      "date": "2009-02-05"
    },
    {
      "version": "2.0-0",
      "date": "2010-01-21"
    },
    {
      "version": "2.1-0",
      "date": "2010-10-08"
    },
    {
      "version": "2.1-1",
      "date": "2012-07-10"
    },
    {
      "version": "2.1-3",
      "date": "2021-01-29"
    },
    {
      "version": "2.1-3.1",
      "date": "2023-05-05"
    },
    {
      "version": "2.1-5",
      "date": "2024-05-02"
    },
    {
      "version": "2.1-6",
      "date": "2024-12-30"
    },
    {
      "version": "2.1-7",
      "date": "2026-02-18"
    },
    {
      "version": "2.1-8",
      "date": "2026-03-26"
    },
    {
      "version": "2.1-9",
      "date": "2026-07-13"
    },
    {
      "version": "2.1-10",
      "date": "2026-07-24"
    },
    {
      "version": "2.1-11",
      "date": "2026-08-14"
    }
  ],
  "_exports": [
    "bayesclass",
    "mlbench.1spiral",
    "mlbench.2dnormals",
    "mlbench.cassini",
    "mlbench.circle",
    "mlbench.cuboids",
    "mlbench.friedman1",
    "mlbench.friedman2",
    "mlbench.friedman3",
    "mlbench.hypercube",
    "mlbench.peak",
    "mlbench.ringnorm",
    "mlbench.shapes",
    "mlbench.simplex",
    "mlbench.smiley",
    "mlbench.spirals",
    "mlbench.threenorm",
    "mlbench.twonorm",
    "mlbench.waveform",
    "mlbench.xor"
  ],
  "_datasets": [
    {
      "name": "BostonHousing",
      "title": "Boston Housing Data",
      "object": "BostonHousing",
      "file": "BostonHousing.rda",
      "class": [
        "data.frame"
      ],
      "fields": [
        "crim",
        "zn",
        "indus",
        "chas",
        "nox",
        "rm",
        "age",
        "dis",
        "rad",
        "tax",
        "ptratio",
        "b",
        "lstat",
        "medv"
      ],
      "rows": 506,
      "table": true,
      "tojson": true
    },
    {
      "name": "BostonHousing2",
      "title": "Boston Housing Data",
      "object": "BostonHousing2",
      "file": "BostonHousing2.rda",
      "class": [
        "data.frame"
      ],
      "fields": [
        "town",
        "tract",
        "lon",
        "lat",
        "medv",
        "cmedv",
        "crim",
        "zn",
        "indus",
        "chas",
        "nox",
        "rm",
        "age",
        "dis",
        "rad",
        "tax",
        "ptratio",
        "b",
        "lstat"
      ],
      "rows": 506,
      "table": true,
      "tojson": true
    },
    {
      "name": "BreastCancer",
      "title": "Wisconsin Breast Cancer Database",
      "object": "BreastCancer",
      "file": "BreastCancer.rda",
      "class": [
        "data.frame"
      ],
      "fields": [
        "Id",
        "Cl.thickness",
        "Cell.size",
        "Cell.shape",
        "Marg.adhesion",
        "Epith.c.size",
        "Bare.nuclei",
        "Bl.cromatin",
        "Normal.nucleoli",
        "Mitoses",
        "Class"
      ],
      "rows": 699,
      "table": true,
      "tojson": true
    },
    {
      "name": "DNA",
      "title": "Primate splice-junction gene sequences (DNA)",
      "object": "DNA",
      "file": "DNA.rda",
      "class": [
        "data.frame"
      ],
      "fields": [
        "V1",
        "V2",
        "V3",
        "V4",
        "V5",
        "V6",
        "V7",
        "V8",
        "V9",
        "V10",
        "V11",
        "V12",
        "V13",
        "V14",
        "V15",
        "V16",
        "V17",
        "V18",
        "V19",
        "V20",
        "V21",
        "V22",
        "V23",
        "V24",
        "V25",
        "V26",
        "V27",
        "V28",
        "V29",
        "V30",
        "V31",
        "V32",
        "V33",
        "V34",
        "V35",
        "V36",
        "V37",
        "V38",
        "V39",
        "V40",
        "V41",
        "V42",
        "V43",
        "V44",
        "V45",
        "V46",
        "V47",
        "V48",
        "V49",
        "V50",
        "V51",
        "V52",
        "V53",
        "V54",
        "V55",
        "V56",
        "V57",
        "V58",
        "V59",
        "V60",
        "V61",
        "V62",
        "V63",
        "V64",
        "V65",
        "V66",
        "V67",
        "V68",
        "V69",
        "V70",
        "V71",
        "V72",
        "V73",
        "V74",
        "V75",
        "V76",
        "V77",
        "V78",
        "V79",
        "V80",
        "V81",
        "V82",
        "V83",
        "V84",
        "V85",
        "V86",
        "V87",
        "V88",
        "V89",
        "V90",
        "V91",
        "V92",
        "V93",
        "V94",
        "V95",
        "V96",
        "V97",
        "V98",
        "V99",
        "V100",
        "V101",
        "V102",
        "V103",
        "V104",
        "V105",
        "V106",
        "V107",
        "V108",
        "V109",
        "V110",
        "V111",
        "V112",
        "V113",
        "V114",
        "V115",
        "V116",
        "V117",
        "V118",
        "V119",
        "V120",
        "V121",
        "V122",
        "V123",
        "V124",
        "V125",
        "V126",
        "V127",
        "V128",
        "V129",
        "V130",
        "V131",
        "V132",
        "V133",
        "V134",
        "V135",
        "V136",
        "V137",
        "V138",
        "V139",
        "V140",
        "V141",
        "V142",
        "V143",
        "V144",
        "V145",
        "V146",
        "V147",
        "V148",
        "V149",
        "V150",
        "V151",
        "V152",
        "V153",
        "V154",
        "V155",
        "V156",
        "V157",
        "V158",
        "V159",
        "V160",
        "V161",
        "V162",
        "V163",
        "V164",
        "V165",
        "V166",
        "V167",
        "V168",
        "V169",
        "V170",
        "V171",
        "V172",
        "V173",
        "V174",
        "V175",
        "V176",
        "V177",
        "V178",
        "V179",
        "V180",
        "Class"
      ],
      "rows": 3186,
      "table": true,
      "tojson": true
    },
    {
      "name": "Glass",
      "title": "Glass Identification Database",
      "object": "Glass",
      "file": "Glass.rda",
      "class": [
        "data.frame"
      ],
      "fields": [
        "RI",
        "Na",
        "Mg",
        "Al",
        "Si",
        "K",
        "Ca",
        "Ba",
        "Fe",
        "Type"
      ],
      "rows": 214,
      "table": true,
      "tojson": true
    },
    {
      "name": "HouseVotes84",
      "title": "United States Congressional Voting Records 1984",
      "object": "HouseVotes84",
      "file": "HouseVotes84.rda",
      "class": [
        "data.frame"
      ],
      "fields": [
        "Class",
        "V1",
        "V2",
        "V3",
        "V4",
        "V5",
        "V6",
        "V7",
        "V8",
        "V9",
        "V10",
        "V11",
        "V12",
        "V13",
        "V14",
        "V15",
        "V16"
      ],
      "rows": 435,
      "table": true,
      "tojson": true
    },
    {
      "name": "Ionosphere",
      "title": "Johns Hopkins University Ionosphere database",
      "object": "Ionosphere",
      "file": "Ionosphere.rda",
      "class": [
        "data.frame"
      ],
      "fields": [
        "V1",
        "V2",
        "V3",
        "V4",
        "V5",
        "V6",
        "V7",
        "V8",
        "V9",
        "V10",
        "V11",
        "V12",
        "V13",
        "V14",
        "V15",
        "V16",
        "V17",
        "V18",
        "V19",
        "V20",
        "V21",
        "V22",
        "V23",
        "V24",
        "V25",
        "V26",
        "V27",
        "V28",
        "V29",
        "V30",
        "V31",
        "V32",
        "V33",
        "V34",
        "Class"
      ],
      "rows": 351,
      "table": true,
      "tojson": true
    },
    {
      "name": "LetterRecognition",
      "title": "Letter Image Recognition Data",
      "object": "LetterRecognition",
      "file": "LetterRecognition.rda",
      "class": [
        "data.frame"
      ],
      "fields": [
        "lettr",
        "x.box",
        "y.box",
        "width",
        "high",
        "onpix",
        "x.bar",
        "y.bar",
        "x2bar",
        "y2bar",
        "xybar",
        "x2ybr",
        "xy2br",
        "x.ege",
        "xegvy",
        "y.ege",
        "yegvx"
      ],
      "rows": 20000,
      "table": true,
      "tojson": true
    },
    {
      "name": "Ozone",
      "title": "Los Angeles ozone pollution data, 1976",
      "object": "Ozone",
      "file": "Ozone.rda",
      "class": [
        "data.frame"
      ],
      "fields": [
        "V1",
        "V2",
        "V3",
        "V4",
        "V5",
        "V6",
        "V7",
        "V8",
        "V9",
        "V10",
        "V11",
        "V12",
        "V13"
      ],
      "rows": 366,
      "table": true,
      "tojson": true
    },
    {
      "name": "Satellite",
      "title": "Landsat Multi-Spectral Scanner Image Data",
      "object": "Satellite",
      "file": "Satellite.rda",
      "class": [
        "data.frame"
      ],
      "fields": [
        "x.1",
        "x.2",
        "x.3",
        "x.4",
        "x.5",
        "x.6",
        "x.7",
        "x.8",
        "x.9",
        "x.10",
        "x.11",
        "x.12",
        "x.13",
        "x.14",
        "x.15",
        "x.16",
        "x.17",
        "x.18",
        "x.19",
        "x.20",
        "x.21",
        "x.22",
        "x.23",
        "x.24",
        "x.25",
        "x.26",
        "x.27",
        "x.28",
        "x.29",
        "x.30",
        "x.31",
        "x.32",
        "x.33",
        "x.34",
        "x.35",
        "x.36",
        "classes"
      ],
      "rows": 6435,
      "table": true,
      "tojson": true
    },
    {
      "name": "Servo",
      "title": "Servo Data",
      "object": "Servo",
      "file": "Servo.rda",
      "class": [
        "data.frame"
      ],
      "fields": [
        "Motor",
        "Screw",
        "Pgain",
        "Vgain",
        "Class"
      ],
      "rows": 167,
      "table": true,
      "tojson": true
    },
    {
      "name": "Shuttle",
      "title": "Shuttle Dataset (Statlog version)",
      "object": "Shuttle",
      "file": "Shuttle.rda",
      "class": [
        "data.frame"
      ],
      "fields": [
        "V1",
        "V2",
        "V3",
        "V4",
        "V5",
        "V6",
        "V7",
        "V8",
        "V9",
        "Class"
      ],
      "rows": 58000,
      "table": true,
      "tojson": true
    },
    {
      "name": "Sonar",
      "title": "Sonar, Mines vs. Rocks",
      "object": "Sonar",
      "file": "Sonar.rda",
      "class": [
        "data.frame"
      ],
      "fields": [
        "V1",
        "V2",
        "V3",
        "V4",
        "V5",
        "V6",
        "V7",
        "V8",
        "V9",
        "V10",
        "V11",
        "V12",
        "V13",
        "V14",
        "V15",
        "V16",
        "V17",
        "V18",
        "V19",
        "V20",
        "V21",
        "V22",
        "V23",
        "V24",
        "V25",
        "V26",
        "V27",
        "V28",
        "V29",
        "V30",
        "V31",
        "V32",
        "V33",
        "V34",
        "V35",
        "V36",
        "V37",
        "V38",
        "V39",
        "V40",
        "V41",
        "V42",
        "V43",
        "V44",
        "V45",
        "V46",
        "V47",
        "V48",
        "V49",
        "V50",
        "V51",
        "V52",
        "V53",
        "V54",
        "V55",
        "V56",
        "V57",
        "V58",
        "V59",
        "V60",
        "Class"
      ],
      "rows": 208,
      "table": true,
      "tojson": true
    },
    {
      "name": "Soybean",
      "title": "Soybean Database",
      "object": "Soybean",
      "file": "Soybean.rda",
      "class": [
        "data.frame"
      ],
      "fields": [
        "Class",
        "date",
        "plant.stand",
        "precip",
        "temp",
        "hail",
        "crop.hist",
        "area.dam",
        "sever",
        "seed.tmt",
        "germ",
        "plant.growth",
        "leaves",
        "leaf.halo",
        "leaf.marg",
        "leaf.size",
        "leaf.shread",
        "leaf.malf",
        "leaf.mild",
        "stem",
        "lodging",
        "stem.cankers",
        "canker.lesion",
        "fruiting.bodies",
        "ext.decay",
        "mycelium",
        "int.discolor",
        "sclerotia",
        "fruit.pods",
        "fruit.spots",
        "seed",
        "mold.growth",
        "seed.discolor",
        "seed.size",
        "shriveling",
        "roots"
      ],
      "rows": 683,
      "table": true,
      "tojson": true
    },
    {
      "name": "SynthDiabetes",
      "title": "Synthetic Diabetes Database",
      "object": "SynthDiabetes",
      "file": "SynthDiabetes.rda",
      "class": [
        "data.frame"
      ],
      "fields": [
        "pregnant",
        "glucose",
        "pressure",
        "triceps",
        "insulin",
        "mass",
        "pedigree",
        "age",
        "diabetes"
      ],
      "rows": 768,
      "table": true,
      "tojson": true
    },
    {
      "name": "SynthDiabetes2",
      "title": "Synthetic Diabetes Database",
      "object": "SynthDiabetes2",
      "file": "SynthDiabetes2.rda",
      "class": [
        "data.frame"
      ],
      "fields": [
        "pregnant",
        "glucose",
        "pressure",
        "triceps",
        "insulin",
        "mass",
        "pedigree",
        "age",
        "diabetes"
      ],
      "rows": 768,
      "table": true,
      "tojson": true
    },
    {
      "name": "Vehicle",
      "title": "Vehicle Silhouettes",
      "object": "Vehicle",
      "file": "Vehicle.rda",
      "class": [
        "data.frame"
      ],
      "fields": [
        "Comp",
        "Circ",
        "D.Circ",
        "Rad.Ra",
        "Pr.Axis.Ra",
        "Max.L.Ra",
        "Scat.Ra",
        "Elong",
        "Pr.Axis.Rect",
        "Max.L.Rect",
        "Sc.Var.Maxis",
        "Sc.Var.maxis",
        "Ra.Gyr",
        "Skew.Maxis",
        "Skew.maxis",
        "Kurt.maxis",
        "Kurt.Maxis",
        "Holl.Ra",
        "Class"
      ],
      "rows": 846,
      "table": true,
      "tojson": true
    },
    {
      "name": "Vowel",
      "title": "Vowel Recognition (Deterding data)",
      "object": "Vowel",
      "file": "Vowel.rda",
      "class": [
        "data.frame"
      ],
      "fields": [
        "V1",
        "V2",
        "V3",
        "V4",
        "V5",
        "V6",
        "V7",
        "V8",
        "V9",
        "V10",
        "Class"
      ],
      "rows": 990,
      "table": true,
      "tojson": true
    },
    {
      "name": "Zoo",
      "title": "Zoo Data",
      "object": "Zoo",
      "file": "Zoo.rda",
      "class": [
        "data.frame"
      ],
      "fields": [
        "hair",
        "feathers",
        "eggs",
        "milk",
        "airborne",
        "aquatic",
        "predator",
        "toothed",
        "backbone",
        "breathes",
        "venomous",
        "fins",
        "legs",
        "tail",
        "domestic",
        "catsize",
        "type"
      ],
      "rows": 101,
      "table": true,
      "tojson": true
    }
  ],
  "_help": [
    {
      "page": "as.data.frame.mlbench",
      "title": "Convert an mlbench object to a dataframe",
      "topics": [
        "as.data.frame.mlbench"
      ]
    },
    {
      "page": "bayesclass",
      "title": "Bayes classifier",
      "topics": [
        "bayesclass",
        "bayesclass.mlbench.2dnormals",
        "bayesclass.mlbench.cassini",
        "bayesclass.mlbench.circle",
        "bayesclass.mlbench.cuboids",
        "bayesclass.mlbench.ringnorm",
        "bayesclass.mlbench.threenorm",
        "bayesclass.mlbench.twonorm",
        "bayesclass.mlbench.xor",
        "bayesclass.noerr"
      ]
    },
    {
      "page": "BostonHousing",
      "title": "Boston Housing Data",
      "topics": [
        "BostonHousing",
        "BostonHousing2"
      ]
    },
    {
      "page": "BreastCancer",
      "title": "Wisconsin Breast Cancer Database",
      "topics": [
        "BreastCancer"
      ]
    },
    {
      "page": "DNA",
      "title": "Primate splice-junction gene sequences (DNA)",
      "topics": [
        "DNA"
      ]
    },
    {
      "page": "Glass",
      "title": "Glass Identification Database",
      "topics": [
        "Glass"
      ]
    },
    {
      "page": "HouseVotes84",
      "title": "United States Congressional Voting Records 1984",
      "topics": [
        "HouseVotes84"
      ]
    },
    {
      "page": "Ionosphere",
      "title": "Johns Hopkins University Ionosphere database",
      "topics": [
        "Ionosphere"
      ]
    },
    {
      "page": "LetterRecognition",
      "title": "Letter Image Recognition Data",
      "topics": [
        "LetterRecognition"
      ]
    },
    {
      "page": "mlbench.2dnormals",
      "title": "2-dimensional Gaussian Problem",
      "topics": [
        "mlbench.2dnormals"
      ]
    },
    {
      "page": "mlbench.cassini",
      "title": "Cassini: A 2 Dimensional Problem",
      "topics": [
        "mlbench.cassini"
      ]
    },
    {
      "page": "mlbench.circle",
      "title": "Circle in a Square Problem",
      "topics": [
        "mlbench.circle"
      ]
    },
    {
      "page": "mlbench.cuboids",
      "title": "Cuboids: A 3 Dimensional Problem",
      "topics": [
        "mlbench.cuboids"
      ]
    },
    {
      "page": "mlbench.friedman1",
      "title": "Benchmark Problem Friedman 1",
      "topics": [
        "mlbench.friedman1"
      ]
    },
    {
      "page": "mlbench.friedman2",
      "title": "Benchmark Problem Friedman 2",
      "topics": [
        "mlbench.friedman2"
      ]
    },
    {
      "page": "mlbench.friedman3",
      "title": "Benchmark Problem Friedman 3",
      "topics": [
        "mlbench.friedman3"
      ]
    },
    {
      "page": "mlbench.hypercube",
      "title": "Corners of Hypercube",
      "topics": [
        "hypercube",
        "mlbench.hypercube"
      ]
    },
    {
      "page": "mlbench.peak",
      "title": "Peak Benchmark Problem",
      "topics": [
        "mlbench.peak"
      ]
    },
    {
      "page": "mlbench.ringnorm",
      "title": "Ringnorm Benchmark Problem",
      "topics": [
        "mlbench.ringnorm"
      ]
    },
    {
      "page": "mlbench.shapes",
      "title": "Shapes in 2d",
      "topics": [
        "mlbench.shapes"
      ]
    },
    {
      "page": "mlbench.simplex",
      "title": "Corners of d-dimensional Simplex",
      "topics": [
        "mlbench.simplex",
        "simplex"
      ]
    },
    {
      "page": "mlbench.smiley",
      "title": "The Smiley",
      "topics": [
        "mlbench.smiley"
      ]
    },
    {
      "page": "mlbench.spirals",
      "title": "Two Spirals Benchmark Problem",
      "topics": [
        "mlbench.1spiral",
        "mlbench.spirals"
      ]
    },
    {
      "page": "mlbench.threenorm",
      "title": "Threenorm Benchmark Problem",
      "topics": [
        "mlbench.threenorm"
      ]
    },
    {
      "page": "mlbench.twonorm",
      "title": "Twonorm Benchmark Problem",
      "topics": [
        "mlbench.twonorm"
      ]
    },
    {
      "page": "mlbench.waveform",
      "title": "Waveform Database Generator",
      "topics": [
        "mlbench.waveform"
      ]
    },
    {
      "page": "mlbench.xor",
      "title": "Continuous XOR Benchmark Problem",
      "topics": [
        "mlbench.xor"
      ]
    },
    {
      "page": "Ozone",
      "title": "Los Angeles ozone pollution data, 1976",
      "topics": [
        "Ozone"
      ]
    },
    {
      "page": "plot.mlbench",
      "title": "Plot mlbench objects",
      "topics": [
        "plot.mlbench"
      ]
    },
    {
      "page": "Satellite",
      "title": "Landsat Multi-Spectral Scanner Image Data",
      "topics": [
        "Satellite"
      ]
    },
    {
      "page": "Servo",
      "title": "Servo Data",
      "topics": [
        "Servo"
      ]
    },
    {
      "page": "Shuttle",
      "title": "Shuttle Dataset (Statlog version)",
      "topics": [
        "Shuttle"
      ]
    },
    {
      "page": "Sonar",
      "title": "Sonar, Mines vs. Rocks",
      "topics": [
        "Sonar"
      ]
    },
    {
      "page": "Soybean",
      "title": "Soybean Database",
      "topics": [
        "Soybean"
      ]
    },
    {
      "page": "SynthDiabetes",
      "title": "Synthetic Diabetes Database",
      "topics": [
        "SynthDiabetes",
        "SynthDiabetes2"
      ]
    },
    {
      "page": "Vehicle",
      "title": "Vehicle Silhouettes",
      "topics": [
        "Vehicle"
      ]
    },
    {
      "page": "Vowel",
      "title": "Vowel Recognition (Deterding data)",
      "topics": [
        "Vowel"
      ]
    },
    {
      "page": "Zoo",
      "title": "Zoo Data",
      "topics": [
        "Zoo"
      ]
    }
  ],
  "_rundeps": [],
  "_score": 9.679638272410998,
  "_indexed": true,
  "_nocasepkg": "mlbench",
  "_universes": [
    "kurthornik"
  ],
  "_binaries": [
    {
      "r": "4.7.0",
      "os": "linux",
      "version": "2.1-11",
      "date": "2026-10-13T10:53:03.000Z",
      "distro": "resolute",
      "arch": "aarch64",
      "commit": "cac29006212630e1779cebbe25818dc558e0c04c",
      "fileid": "https://r2.ropensci.org/af5f5ffe80af5ad6d08db275e47345d298ecf7fb9245a15d2f2b56ac26177cfe",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/kurthornik/actions/runs/38385963013"
    },
    {
      "r": "4.7.0",
      "os": "linux",
      "version": "2.1-11",
      "date": "2026-10-13T10:53:17.000Z",
      "distro": "resolute",
      "arch": "x86_64",
      "commit": "cac29006212630e1779cebbe25818dc558e0c04c",
      "fileid": "https://r2.ropensci.org/5be52209377d6544df54db82881f410132bb65c0872056c8c7f029b2d874cb7d",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/kurthornik/actions/runs/38385963013"
    },
    {
      "r": "4.6.1",
      "os": "linux",
      "version": "2.1-11",
      "date": "2026-10-13T10:53:00.000Z",
      "distro": "resolute",
      "arch": "aarch64",
      "commit": "cac29006212630e1779cebbe25818dc558e0c04c",
      "fileid": "https://r2.ropensci.org/46f72325140a7c3cc3b8e9fcf724ce11b41fbea337665156d1ca29d67e5d78d9",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/kurthornik/actions/runs/38385963013"
    },
    {
      "r": "4.6.1",
      "os": "linux",
      "version": "2.1-11",
      "date": "2026-10-13T10:53:17.000Z",
      "distro": "resolute",
      "arch": "x86_64",
      "commit": "cac29006212630e1779cebbe25818dc558e0c04c",
      "fileid": "https://r2.ropensci.org/1ccc7e1f8a2b1666c3a00bc473c0ffc6d8274141dd53ae4d9316c441686a4dd5",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/kurthornik/actions/runs/38385963013"
    },
    {
      "r": "4.5.3",
      "os": "mac",
      "version": "2.1-11",
      "date": "2026-10-13T10:54:44.000Z",
      "arch": "aarch64",
      "commit": "cac29006212630e1779cebbe25818dc558e0c04c",
      "fileid": "https://r2.ropensci.org/9c7980207d14d05a98072a23915312dd67683fbdf53c501203bbf64804b1b43f",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/kurthornik/actions/runs/38385963013"
    },
    {
      "r": "4.5.3",
      "os": "mac",
      "version": "2.1-11",
      "date": "2026-10-13T10:55:40.000Z",
      "arch": "x86_64",
      "commit": "cac29006212630e1779cebbe25818dc558e0c04c",
      "fileid": "https://r2.ropensci.org/56f02417c9169c0ccf3a99d7df671127c02ca768e0c262bbee012105aa945cdd",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/kurthornik/actions/runs/38385963013"
    },
    {
      "r": "4.6.1",
      "os": "mac",
      "version": "2.1-11",
      "date": "2026-10-13T10:55:24.000Z",
      "arch": "aarch64",
      "commit": "cac29006212630e1779cebbe25818dc558e0c04c",
      "fileid": "https://r2.ropensci.org/56b076c985f84acf63d9e694dade4f4cbb0b8185020e5263d33b4196b4295ba3",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/kurthornik/actions/runs/38385963013"
    },
    {
      "r": "4.6.1",
      "os": "mac",
      "version": "2.1-11",
      "date": "2026-10-13T10:56:27.000Z",
      "arch": "x86_64",
      "commit": "cac29006212630e1779cebbe25818dc558e0c04c",
      "fileid": "https://r2.ropensci.org/efb0700d7e17e53cbd80f736e86d295836a8f7ccc52eca3d553f0b612f84f5ef",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/kurthornik/actions/runs/38385963013"
    },
    {
      "r": "4.6.0",
      "os": "wasm",
      "version": "2.1-11",
      "date": "2026-10-13T10:53:08.000Z",
      "arch": "emscripten",
      "commit": "cac29006212630e1779cebbe25818dc558e0c04c",
      "fileid": "https://r2.ropensci.org/957bf3fd60c73f5f0c9d2be95e0e38c8d1ec92bedfacbb8601f052b128ab9cdf",
      "status": "success",
      "buildurl": "https://github.com/r-universe/kurthornik/actions/runs/38385963013"
    },
    {
      "r": "4.7.0",
      "os": "win",
      "version": "2.1-11",
      "date": "2026-10-13T10:54:29.000Z",
      "arch": "aarch64",
      "commit": "cac29006212630e1779cebbe25818dc558e0c04c",
      "fileid": "https://r2.ropensci.org/8bd3d0167391c774b0a3156b9d5344fd45cfa01dd8d4bf39a07819b1dbb39720",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/kurthornik/actions/runs/38385963013"
    },
    {
      "r": "4.7.0",
      "os": "win",
      "version": "2.1-11",
      "date": "2026-10-13T10:52:49.000Z",
      "arch": "x86_64",
      "commit": "cac29006212630e1779cebbe25818dc558e0c04c",
      "fileid": "https://r2.ropensci.org/61598768b41ad98167c4ea9932506f4759d83ff3cb44c5dfee60c28db2dcaa4d",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/kurthornik/actions/runs/38385963013"
    },
    {
      "r": "4.5.3",
      "os": "win",
      "version": "2.1-11",
      "date": "2026-10-13T10:52:28.000Z",
      "arch": "x86_64",
      "commit": "cac29006212630e1779cebbe25818dc558e0c04c",
      "fileid": "https://r2.ropensci.org/5a1e7f83608ab6abf262baef7bf748df180a828aebfbbc4bbebd33e2e32a1daf",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/kurthornik/actions/runs/38385963013"
    },
    {
      "r": "4.6.1",
      "os": "win",
      "version": "2.1-11",
      "date": "2026-10-13T10:54:32.000Z",
      "arch": "aarch64",
      "commit": "cac29006212630e1779cebbe25818dc558e0c04c",
      "fileid": "https://r2.ropensci.org/ac7a2dd0ae8f73d8ff058d71dd0a5e1a006049983d9f764017e98ed363434a15",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/kurthornik/actions/runs/38385963013"
    },
    {
      "r": "4.6.1",
      "os": "win",
      "version": "2.1-11",
      "date": "2026-10-13T10:52:41.000Z",
      "arch": "x86_64",
      "commit": "cac29006212630e1779cebbe25818dc558e0c04c",
      "fileid": "https://r2.ropensci.org/af6388f7cc095bcbb2bca187ac9b9c05a8b6344ffecc72b98372ff4708591d2e",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/kurthornik/actions/runs/38385963013"
    }
  ]
}