{
  "_id": "6ac0e83d552a13804ac7da48",
  "Package": "ess",
  "Title": "Efficient Stepwise Selection in Decomposable Models",
  "Version": "1.1.2",
  "Authors@R": "person(given = \"Mads\",\nfamily = \"Lindskou\",\nrole = c(\"aut\", \"cre\"),\nemail = \"mads@math.aau.dk\")",
  "Description": "An implementation of the ESS algorithm following Amol\nDeshpande, Minos Garofalakis, Michael I Jordan (2013)\n<arXiv:1301.2267>. The ESS algorithm is used for model\nselection in decomposable graphical models.",
  "URL": "https://github.com/mlindsk/ess",
  "License": "GPL-3",
  "Encoding": "UTF-8",
  "LazyData": "true",
  "RoxygenNote": "7.1.1",
  "BugReports": "https://github.com/mlindsk/ess/issues",
  "SystemRequirements": "C++11",
  "Config/pak/sysreqs": "libglpk-dev libxml2-dev",
  "Repository": "https://mlindsk.r-universe.dev",
  "Date/Publication": "2021-10-13 07:38:25 UTC",
  "RemoteUrl": "https://github.com/mlindsk/ess",
  "RemoteRef": "HEAD",
  "RemoteSha": "fbd5e5f718dde4cdf57eb1954833b9d09596d1f5",
  "NeedsCompilation": "yes",
  "Packaged": {
    "Date": "2026-10-03 11:28:23 UTC",
    "User": "root"
  },
  "Author": "Mads Lindskou [aut, cre]",
  "Maintainer": "Mads Lindskou <mads@math.aau.dk>",
  "_user": "mlindsk",
  "_type": "src",
  "_file": "ess_1.1.2.tar.gz",
  "_fileid": "https://r2.ropensci.org/6e808e2e9280c239efc7ba80f1e50094bdbbfb98d08295f78373525313903954",
  "_filesize": 222110,
  "_sha256": "6e808e2e9280c239efc7ba80f1e50094bdbbfb98d08295f78373525313903954",
  "_expires": "2027-01-11T11:34:19.000Z",
  "_created": "2026-10-03T11:28:23.000Z",
  "_published": "2026-10-03T11:34:21.393Z",
  "_jobs": [
    {
      "job": 111193502416,
      "time": 93,
      "config": "linux-devel-arm64",
      "r": "4.7.0",
      "check": "NOTE",
      "artifact": "11272907018"
    },
    {
      "job": 111193502364,
      "time": 107,
      "config": "linux-devel-x86_64",
      "r": "4.7.0",
      "check": "NOTE",
      "artifact": "11272284143"
    },
    {
      "job": 111193502406,
      "time": 81,
      "config": "linux-release-arm64",
      "r": "4.6.1",
      "check": "NOTE",
      "artifact": "11272922035"
    },
    {
      "job": 111193502391,
      "time": 110,
      "config": "linux-release-x86_64",
      "r": "4.6.1",
      "check": "NOTE",
      "artifact": "11273306074"
    },
    {
      "job": 111193502586,
      "time": 276,
      "config": "macos-oldrel-arm64",
      "r": "4.5.3",
      "check": "NOTE",
      "artifact": "11272917361"
    },
    {
      "job": 111193502367,
      "time": 312,
      "config": "macos-oldrel-x86_64",
      "r": "4.5.3",
      "check": "NOTE",
      "artifact": "11272832432"
    },
    {
      "job": 111193502389,
      "time": 222,
      "config": "macos-release-arm64",
      "r": "4.6.1",
      "check": "NOTE",
      "artifact": "11273066911"
    },
    {
      "job": 111193502345,
      "time": 190,
      "config": "macos-release-x86_64",
      "r": "4.6.1",
      "check": "NOTE",
      "artifact": "11272309322"
    },
    {
      "job": 111193129097,
      "time": 148,
      "config": "source",
      "r": "4.6.1",
      "check": "OK",
      "artifact": "11272797111"
    },
    {
      "job": 111193502358,
      "time": 92,
      "config": "wasm-release",
      "r": "4.6.0",
      "check": "OK",
      "artifact": "11273066718"
    },
    {
      "job": 111193502379,
      "time": 202,
      "config": "windows-devel-arm64",
      "r": "4.7.0",
      "check": "NOTE",
      "artifact": "11272992010"
    },
    {
      "job": 111193502443,
      "time": 150,
      "config": "windows-devel-x86_64",
      "r": "4.7.0",
      "check": "NOTE",
      "artifact": "11273316184"
    },
    {
      "job": 111193502390,
      "time": 92,
      "config": "windows-oldrel-x86_64",
      "r": "4.5.3",
      "check": "NOTE",
      "artifact": "11272339158"
    },
    {
      "job": 111193502529,
      "time": 231,
      "config": "windows-release-arm64",
      "r": "4.6.1",
      "check": "NOTE",
      "artifact": "11272179570"
    },
    {
      "job": 111193502428,
      "time": 132,
      "config": "windows-release-x86_64",
      "r": "4.6.1",
      "check": "NOTE",
      "artifact": "11273136699"
    }
  ],
  "_host": "GitHub-Actions",
  "_buildurl": "https://github.com/r-universe/mlindsk/actions/runs/37119637903",
  "_status": "success",
  "_upstream": "https://github.com/mlindsk/ess",
  "_commit": {
    "id": "fbd5e5f718dde4cdf57eb1954833b9d09596d1f5",
    "author": "Mads <mads@math.aau.dk>",
    "committer": "Mads <mads@math.aau.dk>",
    "message": "v1.1.2\n",
    "time": 1634110705
  },
  "_maintainer": {
    "name": "Mads Lindskou",
    "email": "mads@math.aau.dk",
    "login": "mlindsk",
    "description": "",
    "uuid": 42496064
  },
  "_distro": "resolute",
  "_registered": true,
  "_dependencies": [
    {
      "package": "R",
      "version": ">= 3.5.0",
      "role": "Depends"
    },
    {
      "package": "Rcpp",
      "role": "LinkingTo"
    },
    {
      "package": "Rcpp",
      "role": "Imports"
    },
    {
      "package": "igraph",
      "role": "Imports"
    },
    {
      "package": "tinytest",
      "role": "Suggests"
    }
  ],
  "_owner": "mlindsk",
  "_selfowned": true,
  "_usedby": 1,
  "_updates": [],
  "_tags": [],
  "_topics": [
    "chow-liu-tree",
    "decomposable-models",
    "graphical-models",
    "model-selection",
    "cpp"
  ],
  "_stars": 1,
  "_contributors": [
    {
      "user": "mlindsk",
      "count": 15,
      "uuid": 42496064
    }
  ],
  "_userbio": {
    "uuid": 42496064,
    "type": "user",
    "name": "mlindsk",
    "followers": 13
  },
  "_downloads": {
    "count": 415,
    "source": "https://cranlogs.r-pkg.org/downloads/total/last-month/ess"
  },
  "_devurl": "https://github.com/mlindsk/ess",
  "_searchresults": 48,
  "_rbuild": "4.6.1",
  "_assets": [
    "extra/citation.cff",
    "extra/citation.html",
    "extra/citation.json",
    "extra/citation.txt",
    "extra/contents.json",
    "extra/ess.html",
    "extra/manual.pdf",
    "extra/NEWS.html",
    "extra/NEWS.txt",
    "extra/readme.html",
    "extra/readme.md"
  ],
  "_homeurl": "https://github.com/mlindsk/ess",
  "_realowner": "mlindsk",
  "_cranurl": true,
  "_releases": [
    {
      "version": "0.0.1",
      "date": "2017-11-07"
    },
    {
      "version": "0.1.1",
      "date": "2018-03-02"
    },
    {
      "version": "1.0",
      "date": "2020-05-24"
    },
    {
      "version": "1.1.2",
      "date": "2021-05-31"
    },
    {
      "version": "1.1.2.1",
      "date": "2026-01-10"
    }
  ],
  "_exports": [
    "adj_lst",
    "adj_mat",
    "as_adj_lst",
    "as_adj_mat",
    "as_igraph",
    "components",
    "dfs",
    "dgm_sim_from_graph",
    "entropy",
    "fit_components",
    "fit_graph",
    "gengraph",
    "is_decomposable",
    "make_complete_graph",
    "make_null_graph",
    "mcs",
    "rip",
    "subgraph",
    "walk"
  ],
  "_datasets": [
    {
      "name": "derma",
      "title": "Dermatology Database",
      "object": "derma",
      "class": [
        "tbl_df",
        "tbl",
        "data.frame"
      ],
      "fields": [
        "c1",
        "c2",
        "c3",
        "c4",
        "c5",
        "c6",
        "c7",
        "c8",
        "c9",
        "c10",
        "c11",
        "h12",
        "h13",
        "h14",
        "h15",
        "h16",
        "h17",
        "h18",
        "h19",
        "h20",
        "h21",
        "h22",
        "h23",
        "h24",
        "h25",
        "h26",
        "h27",
        "h28",
        "h29",
        "h30",
        "h31",
        "h32",
        "h33",
        "age",
        "ES"
      ],
      "rows": 358,
      "table": true,
      "tojson": true
    }
  ],
  "_help": [
    {
      "page": "ess-package",
      "title": "ess: Eficient Stepwise Selection in Decomposable Models",
      "topics": [
        "ess-package",
        "ess"
      ]
    },
    {
      "page": "adj_lst",
      "title": "Adjacency List",
      "topics": [
        "adj_lst",
        "adj_lst.gengraph"
      ]
    },
    {
      "page": "adj_mat",
      "title": "Adjacency Matrix",
      "topics": [
        "adj_mat",
        "adj_mat.gengraph"
      ]
    },
    {
      "page": "as_adj_lst",
      "title": "Converts an adjacency matrix to an adjacency list",
      "topics": [
        "as_adj_lst"
      ]
    },
    {
      "page": "as_adj_mat",
      "title": "Converts an adjacency list to an adjacency matrix",
      "topics": [
        "as_adj_mat"
      ]
    },
    {
      "page": "as_igraph",
      "title": "Gengraph as igraph",
      "topics": [
        "as_igraph",
        "as_igraph.gengraph"
      ]
    },
    {
      "page": "components",
      "title": "Finds the components of a graph",
      "topics": [
        "components"
      ]
    },
    {
      "page": "derma",
      "title": "Dermatology Database",
      "topics": [
        "derma"
      ]
    },
    {
      "page": "dfs",
      "title": "Depth First Search",
      "topics": [
        "dfs"
      ]
    },
    {
      "page": "dgm_sim_from_graph",
      "title": "Simulate observations from a decomposable graphical model",
      "topics": [
        "dgm_sim_from_graph"
      ]
    },
    {
      "page": "entropy",
      "title": "Joint Entropy",
      "topics": [
        "entropy"
      ]
    },
    {
      "page": "fit_components",
      "title": "Fit a decomposable graphical model on each component",
      "topics": [
        "fit_components"
      ]
    },
    {
      "page": "fit_graph",
      "title": "Fit a decomposable graphical model",
      "topics": [
        "fit_graph"
      ]
    },
    {
      "page": "gengraph",
      "title": "A generic and extendable structure for decomposable graphical models",
      "topics": [
        "gengraph"
      ]
    },
    {
      "page": "is_decomposable",
      "title": "A test for decomposability in undirected graphs",
      "topics": [
        "is_decomposable"
      ]
    },
    {
      "page": "make_complete_graph",
      "title": "Make a complete graph",
      "topics": [
        "make_complete_graph"
      ]
    },
    {
      "page": "make_null_graph",
      "title": "Make a null graph",
      "topics": [
        "make_null_graph"
      ]
    },
    {
      "page": "mcs",
      "title": "Maximum Cardinality Search",
      "topics": [
        "mcs"
      ]
    },
    {
      "page": "plot.gengraph",
      "title": "Plot",
      "topics": [
        "plot.gengraph"
      ]
    },
    {
      "page": "print.gengraph",
      "title": "Print",
      "topics": [
        "print.gengraph"
      ]
    },
    {
      "page": "print.tree",
      "title": "Print",
      "topics": [
        "print.tree"
      ]
    },
    {
      "page": "rip",
      "title": "Runnining Intersection Property",
      "topics": [
        "rip"
      ]
    },
    {
      "page": "subgraph",
      "title": "Subgraph",
      "topics": [
        "subgraph"
      ]
    },
    {
      "page": "walk",
      "title": "Stepwise model selection",
      "topics": [
        "walk"
      ]
    },
    {
      "page": "walk.bwd",
      "title": "Stepwise backward selection",
      "topics": [
        "walk.bwd"
      ]
    },
    {
      "page": "walk.fwd",
      "title": "Stepwise efficient forward selection in decomposable graphical models",
      "topics": [
        "walk.fwd"
      ]
    }
  ],
  "_readme": "https://github.com/mlindsk/ess/raw/HEAD/README.md",
  "_rundeps": [
    "cli",
    "cpp11",
    "glue",
    "igraph",
    "lattice",
    "lifecycle",
    "magrittr",
    "Matrix",
    "pkgconfig",
    "Rcpp",
    "rlang",
    "vctrs"
  ],
  "_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": 3.857332496431268,
  "_indexed": true,
  "_nocasepkg": "ess",
  "_universes": [
    "mlindsk"
  ],
  "_binaries": [
    {
      "r": "4.7.0",
      "os": "linux",
      "version": "1.1.2",
      "date": "2026-10-03T11:30:00.000Z",
      "distro": "resolute",
      "arch": "aarch64",
      "commit": "fbd5e5f718dde4cdf57eb1954833b9d09596d1f5",
      "fileid": "https://r2.ropensci.org/6bc4ce7a08476564a09eb3d117099b2a3e2058e427a0a9f7517e3dcda6136349",
      "status": "success",
      "check": "NOTE",
      "buildurl": "https://github.com/r-universe/mlindsk/actions/runs/37119637903"
    },
    {
      "r": "4.7.0",
      "os": "linux",
      "version": "1.1.2",
      "date": "2026-10-03T11:30:12.000Z",
      "distro": "resolute",
      "arch": "x86_64",
      "commit": "fbd5e5f718dde4cdf57eb1954833b9d09596d1f5",
      "fileid": "https://r2.ropensci.org/c2264f20d879f4852a59894fd9baedf3fe30f5ea3e3ece8be0f70616897e112c",
      "status": "success",
      "check": "NOTE",
      "buildurl": "https://github.com/r-universe/mlindsk/actions/runs/37119637903"
    },
    {
      "r": "4.6.1",
      "os": "linux",
      "version": "1.1.2",
      "date": "2026-10-03T11:29:56.000Z",
      "distro": "resolute",
      "arch": "aarch64",
      "commit": "fbd5e5f718dde4cdf57eb1954833b9d09596d1f5",
      "fileid": "https://r2.ropensci.org/8cb1cfc05144c5c6fea296bd65d932811edabe75f972755466f7c3b15b66b882",
      "status": "success",
      "check": "NOTE",
      "buildurl": "https://github.com/r-universe/mlindsk/actions/runs/37119637903"
    },
    {
      "r": "4.6.1",
      "os": "linux",
      "version": "1.1.2",
      "date": "2026-10-03T11:30:15.000Z",
      "distro": "resolute",
      "arch": "x86_64",
      "commit": "fbd5e5f718dde4cdf57eb1954833b9d09596d1f5",
      "fileid": "https://r2.ropensci.org/25a57cf489985654000ac483fe777d34df52e0169d69d884017c78f57adc4f8f",
      "status": "success",
      "check": "NOTE",
      "buildurl": "https://github.com/r-universe/mlindsk/actions/runs/37119637903"
    },
    {
      "r": "4.5.3",
      "os": "mac",
      "version": "1.1.2",
      "date": "2026-10-03T11:32:35.000Z",
      "arch": "aarch64",
      "commit": "fbd5e5f718dde4cdf57eb1954833b9d09596d1f5",
      "fileid": "https://r2.ropensci.org/1bb742ad5a2097d7556ae4d45f1dde5a0bbab37f209d52d744766fdb4e4ef150",
      "status": "success",
      "check": "NOTE",
      "buildurl": "https://github.com/r-universe/mlindsk/actions/runs/37119637903"
    },
    {
      "r": "4.5.3",
      "os": "mac",
      "version": "1.1.2",
      "date": "2026-10-03T11:32:30.000Z",
      "arch": "x86_64",
      "commit": "fbd5e5f718dde4cdf57eb1954833b9d09596d1f5",
      "fileid": "https://r2.ropensci.org/de15c405525ef7df1cd568a782b4c6d97abe0190c697dd200f6026f3e260ccb0",
      "status": "success",
      "check": "NOTE",
      "buildurl": "https://github.com/r-universe/mlindsk/actions/runs/37119637903"
    },
    {
      "r": "4.6.1",
      "os": "mac",
      "version": "1.1.2",
      "date": "2026-10-03T11:32:10.000Z",
      "arch": "aarch64",
      "commit": "fbd5e5f718dde4cdf57eb1954833b9d09596d1f5",
      "fileid": "https://r2.ropensci.org/b205adeb253afd31b48591cc4658d56554d039c197221779f597d4085bce2b3d",
      "status": "success",
      "check": "NOTE",
      "buildurl": "https://github.com/r-universe/mlindsk/actions/runs/37119637903"
    },
    {
      "r": "4.6.1",
      "os": "mac",
      "version": "1.1.2",
      "date": "2026-10-03T11:31:00.000Z",
      "arch": "x86_64",
      "commit": "fbd5e5f718dde4cdf57eb1954833b9d09596d1f5",
      "fileid": "https://r2.ropensci.org/c5ab6114ea16b4d33cad2eae38b76a6e360004eacc2c5b5132b52ff7c3eba45f",
      "status": "success",
      "check": "NOTE",
      "buildurl": "https://github.com/r-universe/mlindsk/actions/runs/37119637903"
    },
    {
      "r": "4.6.0",
      "os": "wasm",
      "version": "1.1.2",
      "date": "2026-10-03T11:30:14.000Z",
      "arch": "emscripten",
      "commit": "fbd5e5f718dde4cdf57eb1954833b9d09596d1f5",
      "fileid": "https://r2.ropensci.org/8dc11500bb605be3e3c2d78b5752e08ff215d1a0dbc02986947bf2779e12b9c3",
      "status": "success",
      "buildurl": "https://github.com/r-universe/mlindsk/actions/runs/37119637903"
    },
    {
      "r": "4.7.0",
      "os": "win",
      "version": "1.1.2",
      "date": "2026-10-03T11:31:27.000Z",
      "arch": "aarch64",
      "commit": "fbd5e5f718dde4cdf57eb1954833b9d09596d1f5",
      "fileid": "https://r2.ropensci.org/5ef7c4f5f2dcce1bed268095eceddbb41d79d382a5e7e6a5f3752e92dc73d19a",
      "status": "success",
      "check": "NOTE",
      "buildurl": "https://github.com/r-universe/mlindsk/actions/runs/37119637903"
    },
    {
      "r": "4.7.0",
      "os": "win",
      "version": "1.1.2",
      "date": "2026-10-03T11:29:46.000Z",
      "arch": "x86_64",
      "commit": "fbd5e5f718dde4cdf57eb1954833b9d09596d1f5",
      "fileid": "https://r2.ropensci.org/652be29e702ddef9af97b5a783b68b9759fe5541faebd4079e98d3884be6a4d4",
      "status": "success",
      "check": "NOTE",
      "buildurl": "https://github.com/r-universe/mlindsk/actions/runs/37119637903"
    },
    {
      "r": "4.5.3",
      "os": "win",
      "version": "1.1.2",
      "date": "2026-10-03T11:29:27.000Z",
      "arch": "x86_64",
      "commit": "fbd5e5f718dde4cdf57eb1954833b9d09596d1f5",
      "fileid": "https://r2.ropensci.org/14eb823b319e8f3a9d5ef7286fdd0c85bc1d7b4b3fcb59ffde019f55d49bf97e",
      "status": "success",
      "check": "NOTE",
      "buildurl": "https://github.com/r-universe/mlindsk/actions/runs/37119637903"
    },
    {
      "r": "4.6.1",
      "os": "win",
      "version": "1.1.2",
      "date": "2026-10-03T11:31:57.000Z",
      "arch": "aarch64",
      "commit": "fbd5e5f718dde4cdf57eb1954833b9d09596d1f5",
      "fileid": "https://r2.ropensci.org/8b79bcfc6df4f7b0cc569b65da6cdbba4c47624cb279e258301b813c93b39f16",
      "status": "success",
      "check": "NOTE",
      "buildurl": "https://github.com/r-universe/mlindsk/actions/runs/37119637903"
    },
    {
      "r": "4.6.1",
      "os": "win",
      "version": "1.1.2",
      "date": "2026-10-03T11:29:50.000Z",
      "arch": "x86_64",
      "commit": "fbd5e5f718dde4cdf57eb1954833b9d09596d1f5",
      "fileid": "https://r2.ropensci.org/28fb858bd199f04f4a61baa2372f4f209aed36b4a140ba49d26b0513f39938ef",
      "status": "success",
      "check": "NOTE",
      "buildurl": "https://github.com/r-universe/mlindsk/actions/runs/37119637903"
    }
  ]
}