{
  "_id": "6a23c350530b9bc726bdd53a",
  "Package": "PPtreeExt",
  "Type": "Package",
  "Version": "0.1.0",
  "Title": "Projection Pursuit Classification Tree Extensions",
  "Authors@R": "c(person(given = \"Natalia\",\nfamily = \"da Silva\",\nrole = c(\"aut\", \"cre\"),\nemail = \"natalia.dasilva@fcea.edu.uy\",\ncomment = c(ORCID = \"https://orcid.org/0000-0002-6031-7451\")),\nperson(given = \"Dianne\",\nfamily = \"Cook\",\nrole = \"aut\",\nemail = \"dicook@monash.edu\"\n),\nperson(given = \"Eun-Kyung\",\nfamily = \"Lee\",\nrole = \"aut\",\nemail = \"lee.eunk@gmail.com\"\n)\n)",
  "Maintainer": "Natalia da Silva <natalia.dasilva@fcea.edu.uy>",
  "Description": "Implements extensions to the projection pursuit tree\nalgorithm for supervised classification, see Lee, Y. (2013),\n<doi:10.1214/13-EJS810> and Lee, E-K. (2018)\n<doi:10.18637/jss.v083.i08>. The algorithm is changed in two\nways: improving prediction boundaries by modifying the choice\nof split points-through class subsetting; and increasing\nflexibility by allowing multiple splits per group.",
  "License": "GPL (>= 2)",
  "URL": "https://github.com/natydasilva/PPtreeExt",
  "LazyData": "yes",
  "Encoding": "UTF-8",
  "RoxygenNote": "7.3.3",
  "NeedsCompilation": "yes",
  "Packaged": {
    "Date": "2026-06-06 06:45:35 UTC",
    "User": "root"
  },
  "Author": "Natalia da Silva [aut, cre] (ORCID:\n<https://orcid.org/0000-0002-6031-7451>), Dianne Cook [aut],\nEun-Kyung Lee [aut]",
  "Repository": "https://cran.r-universe.dev",
  "Date/Publication": "2026-02-06 14:20:18 UTC",
  "RemoteUrl": "https://github.com/cran/PPtreeExt",
  "RemoteRef": "HEAD",
  "RemoteSha": "83d78644ac2cea2e9e39c9ee367496ea78ffad4d",
  "MD5sum": "48b1e53303413d2874b9a1b5c11e750a",
  "_user": "cran",
  "_type": "src",
  "_file": "PPtreeExt_0.1.0.tar.gz",
  "_fileid": "162881bf6b74b6e79e356135078c181dea1ba6b93cdc13a1339108e239d9f4de",
  "_filesize": 606030,
  "_sha256": "162881bf6b74b6e79e356135078c181dea1ba6b93cdc13a1339108e239d9f4de",
  "_created": "2026-06-06T06:45:35.000Z",
  "_published": "2026-06-06T06:50:56.183Z",
  "_distro": "noble",
  "_jobs": [
    {
      "job": 79858616937,
      "time": 160,
      "config": "linux-devel-arm64",
      "r": "4.7.0",
      "check": "OK",
      "artifact": "7452124856"
    },
    {
      "job": 79858616939,
      "time": 150,
      "config": "linux-devel-x86_64",
      "r": "4.7.0",
      "check": "OK",
      "artifact": "7452123050"
    },
    {
      "job": 79858616959,
      "time": 265,
      "config": "linux-release-arm64",
      "r": "4.6.0",
      "check": "OK",
      "artifact": "7452136503"
    },
    {
      "job": 79858616938,
      "time": 139,
      "config": "linux-release-x86_64",
      "r": "4.6.0",
      "check": "OK",
      "artifact": "7452121763"
    },
    {
      "job": 79858399591,
      "time": 236,
      "config": "source",
      "r": "4.6.0",
      "check": "OK",
      "artifact": "7452105451"
    },
    {
      "job": 79858616931,
      "time": 142,
      "config": "wasm-release",
      "r": "4.6.0",
      "check": "OK",
      "artifact": "7452122119"
    }
  ],
  "_buildurl": "https://github.com/r-universe/cran/actions/runs/27055275838",
  "_status": "success",
  "_host": "GitHub-Actions",
  "_upstream": "https://github.com/cran/PPtreeExt",
  "_commit": {
    "id": "83d78644ac2cea2e9e39c9ee367496ea78ffad4d",
    "author": "Natalia da Silva <natalia.dasilva@fcea.edu.uy>",
    "committer": "cran-robot <csardi.gabor+cran@gmail.com>",
    "message": "version 0.1.0\n",
    "time": 1770387618
  },
  "_maintainer": {
    "name": "Natalia da Silva",
    "email": "natalia.dasilva@fcea.edu.uy",
    "login": "natydasilva",
    "twitter": "@pacocuak",
    "description": "PhD in Statistics @IowaStateU | faculty @Udelaruy | co-founder @RLadiesAmes and @RLadiesMVD | |Chair @LatinR|#stats, #statistical_learning,  #computing, #viz #R",
    "uuid": 6579054,
    "orcid": "0000-0002-6031-7451"
  },
  "_registered": true,
  "_dependencies": [
    {
      "package": "R",
      "version": ">= 4.3.0",
      "role": "Depends"
    },
    {
      "package": "Rcpp",
      "role": "LinkingTo"
    },
    {
      "package": "RcppArmadillo",
      "role": "LinkingTo"
    },
    {
      "package": "Rcpp",
      "version": ">= 1.1.0",
      "role": "Imports"
    },
    {
      "package": "ggplot2",
      "role": "Imports"
    },
    {
      "package": "shiny",
      "role": "Imports"
    },
    {
      "package": "MASS",
      "role": "Imports"
    },
    {
      "package": "gridExtra",
      "role": "Imports"
    },
    {
      "package": "MixSim",
      "role": "Imports"
    },
    {
      "package": "PPtreeViz",
      "role": "Imports"
    },
    {
      "package": "knitr",
      "role": "Suggests"
    },
    {
      "package": "randomForest",
      "role": "Suggests"
    },
    {
      "package": "rpart",
      "role": "Suggests"
    },
    {
      "package": "GGally",
      "role": "Suggests"
    },
    {
      "package": "RColorBrewer",
      "role": "Suggests"
    },
    {
      "package": "roxygen2",
      "version": ">= 7.3.0",
      "role": "Suggests"
    },
    {
      "package": "rmarkdown",
      "role": "Suggests"
    },
    {
      "package": "rsample",
      "role": "Suggests"
    }
  ],
  "_owner": "cran",
  "_selfowned": false,
  "_usedby": 0,
  "_updates": [
    {
      "week": "2026-06",
      "n": 1
    }
  ],
  "_tags": [
    {
      "name": "0.1.0",
      "date": "2026-02-06"
    }
  ],
  "_stars": 0,
  "_contributors": [
    {
      "user": "natydasilva",
      "count": 1,
      "uuid": 6579054
    }
  ],
  "_userbio": {
    "uuid": 6899542,
    "type": "organization",
    "name": "cran",
    "description": "Unofficial read-only mirror of all CRAN R packages"
  },
  "_downloads": {
    "count": 116,
    "source": "https://cranlogs.r-pkg.org/downloads/total/last-month/PPtreeExt"
  },
  "_devurl": "https://github.com/natydasilva/pptreeext",
  "_searchresults": 9,
  "_topics": [
    "openblas",
    "cpp"
  ],
  "_rbuild": "4.6.0",
  "_assets": [
    "extra/citation.cff",
    "extra/citation.html",
    "extra/citation.json",
    "extra/citation.txt",
    "extra/contents.json",
    "extra/NEWS.html",
    "extra/NEWS.txt",
    "extra/PPtreeExt.html",
    "extra/readme.html",
    "extra/readme.md",
    "manual.pdf"
  ],
  "_homeurl": "https://github.com/natydasilva/pptreeext",
  "_realowner": "natydasilva",
  "_cranurl": false,
  "_releases": [
    {
      "version": "0.1.0",
      "date": "2026-02-06"
    }
  ],
  "_exports": [
    "explorapp",
    "findproj_Ext",
    "LDAopt_Ext",
    "PDAopt_Ext",
    "PPtreeExt_split",
    "PPtreeExtclass",
    "TreeExt.construct"
  ],
  "_datasets": [
    {
      "name": "crab",
      "title": "Australian crabs",
      "object": "crab",
      "class": [
        "data.frame"
      ],
      "fields": [
        "Type",
        "FL",
        "RW",
        "CL",
        "CW",
        "BD"
      ],
      "rows": 200,
      "table": true,
      "tojson": true
    },
    {
      "name": "fishcatch",
      "title": "Fish catch data set",
      "object": "fishcatch",
      "class": [
        "data.frame"
      ],
      "fields": [
        "Type",
        "weight",
        "length1",
        "length2",
        "length3",
        "height",
        "width"
      ],
      "rows": 159,
      "table": true,
      "tojson": true
    },
    {
      "name": "glass",
      "title": "Glass data set",
      "object": "glass",
      "class": [
        "data.frame"
      ],
      "fields": [
        "Type",
        "X1",
        "X2",
        "X3",
        "X4",
        "X5",
        "X6",
        "X7",
        "X8",
        "X9"
      ],
      "rows": 214,
      "table": true,
      "tojson": true
    },
    {
      "name": "image",
      "title": "The image data set",
      "object": "image",
      "class": [
        "data.frame"
      ],
      "fields": [
        "Type",
        "X1",
        "X2",
        "X4",
        "X5",
        "X6",
        "X7",
        "X8",
        "X9",
        "X10",
        "X11",
        "X12",
        "X13",
        "X14",
        "X15",
        "X16",
        "X17",
        "X18",
        "X19"
      ],
      "rows": 2310,
      "table": true,
      "tojson": true
    },
    {
      "name": "leukemia",
      "title": "Leukemia data set",
      "object": "leukemia",
      "class": [
        "data.frame"
      ],
      "fields": [
        "Type",
        "Gene1",
        "Gene2",
        "Gene3",
        "Gene4",
        "Gene5",
        "Gene6",
        "Gene7",
        "Gene8",
        "Gene9",
        "Gene10",
        "Gene11",
        "Gene12",
        "Gene13",
        "Gene14",
        "Gene15",
        "Gene16",
        "Gene17",
        "Gene18",
        "Gene19",
        "Gene20",
        "Gene21",
        "Gene22",
        "Gene23",
        "Gene24",
        "Gene25",
        "Gene26",
        "Gene27",
        "Gene28",
        "Gene29",
        "Gene30",
        "Gene31",
        "Gene32",
        "Gene33",
        "Gene34",
        "Gene35",
        "Gene36",
        "Gene37",
        "Gene38",
        "Gene39",
        "Gene40"
      ],
      "rows": 72,
      "table": true,
      "tojson": true
    },
    {
      "name": "lymphoma",
      "title": "Lymphoma data set",
      "object": "lymphoma",
      "class": [
        "data.frame"
      ],
      "fields": [
        "Type",
        "Gene1",
        "Gene2",
        "Gene3",
        "Gene4",
        "Gene5",
        "Gene6",
        "Gene7",
        "Gene8",
        "Gene9",
        "Gene10",
        "Gene11",
        "Gene12",
        "Gene13",
        "Gene14",
        "Gene15",
        "Gene16",
        "Gene17",
        "Gene18",
        "Gene19",
        "Gene20",
        "Gene21",
        "Gene22",
        "Gene23",
        "Gene24",
        "Gene25",
        "Gene26",
        "Gene27",
        "Gene28",
        "Gene29",
        "Gene30",
        "Gene31",
        "Gene32",
        "Gene33",
        "Gene34",
        "Gene35",
        "Gene36",
        "Gene37",
        "Gene38",
        "Gene39",
        "Gene40",
        "Gene41",
        "Gene42",
        "Gene43",
        "Gene44",
        "Gene45",
        "Gene46",
        "Gene47",
        "Gene48",
        "Gene49",
        "Gene50"
      ],
      "rows": 80,
      "table": true,
      "tojson": true
    },
    {
      "name": "NCI60",
      "title": "NCI60 data set",
      "object": "NCI60",
      "class": [
        "data.frame"
      ],
      "fields": [
        "Type",
        "Gene1",
        "Gene2",
        "Gene3",
        "Gene4",
        "Gene5",
        "Gene6",
        "Gene7",
        "Gene8",
        "Gene9",
        "Gene10",
        "Gene11",
        "Gene12",
        "Gene13",
        "Gene14",
        "Gene15",
        "Gene16",
        "Gene17",
        "Gene18",
        "Gene19",
        "Gene20",
        "Gene21",
        "Gene22",
        "Gene23",
        "Gene24",
        "Gene25",
        "Gene26",
        "Gene27",
        "Gene28",
        "Gene29",
        "Gene30"
      ],
      "rows": 61,
      "table": true,
      "tojson": true
    },
    {
      "name": "olive",
      "title": "The olive data set",
      "object": "olive",
      "class": [
        "data.frame"
      ],
      "fields": [
        "Type",
        "palmitic",
        "palmitoleic",
        "stearic",
        "oleic",
        "linoleic",
        "linolenic",
        "arachidic",
        "eicosenoic"
      ],
      "rows": 572,
      "table": true,
      "tojson": true
    },
    {
      "name": "parkinson",
      "title": "Parkinson data set",
      "object": "parkinson",
      "class": [
        "data.frame"
      ],
      "fields": [
        "Type",
        "X1",
        "X2",
        "X3",
        "X4",
        "X5",
        "X6",
        "X7",
        "X8",
        "X9",
        "X10",
        "X11",
        "X12",
        "X13",
        "X14",
        "X15",
        "X16",
        "X17",
        "X18",
        "X19",
        "X20",
        "X21",
        "X22"
      ],
      "rows": 195,
      "table": true,
      "tojson": true
    },
    {
      "name": "wine",
      "title": "Wine data set",
      "object": "wine",
      "class": [
        "data.frame"
      ],
      "fields": [
        "Type",
        "X1",
        "X2",
        "X3",
        "X4",
        "X5",
        "X6",
        "X7",
        "X8",
        "X9",
        "X10",
        "X11",
        "X12",
        "X13"
      ],
      "rows": 178,
      "table": true,
      "tojson": true
    }
  ],
  "_help": [
    {
      "page": "crab",
      "title": "Australian crabs",
      "topics": [
        "crab"
      ]
    },
    {
      "page": "explorapp",
      "title": "Shiny app to compare PPtree, PPtreeExt and rpart boundaries in 2D with different simulation scenarios",
      "topics": [
        "explorapp"
      ]
    },
    {
      "page": "findproj_Ext",
      "title": "Find Optimal Projection for Class Separation",
      "topics": [
        "findproj_Ext"
      ]
    },
    {
      "page": "fishcatch",
      "title": "Fish catch data set",
      "topics": [
        "fishcatch"
      ]
    },
    {
      "page": "glass",
      "title": "Glass data set",
      "topics": [
        "glass"
      ]
    },
    {
      "page": "image",
      "title": "The image data set",
      "topics": [
        "image"
      ]
    },
    {
      "page": "LDAopt_Ext",
      "title": "PP optimization using LDA index",
      "topics": [
        "LDAopt_Ext"
      ]
    },
    {
      "page": "leukemia",
      "title": "Leukemia data set",
      "topics": [
        "leukemia"
      ]
    },
    {
      "page": "lymphoma",
      "title": "Lymphoma data set",
      "topics": [
        "lymphoma"
      ]
    },
    {
      "page": "NCI60",
      "title": "NCI60 data set",
      "topics": [
        "NCI60"
      ]
    },
    {
      "page": "olive",
      "title": "The olive data set",
      "topics": [
        "olive"
      ]
    },
    {
      "page": "parkinson",
      "title": "Parkinson data set",
      "topics": [
        "parkinson"
      ]
    },
    {
      "page": "PDAopt_Ext",
      "title": "PP optimization using PDA index",
      "topics": [
        "PDAopt_Ext"
      ]
    },
    {
      "page": "plot.PPtreeExtclass",
      "title": "Plot Projection Pursuit Classification Tree",
      "topics": [
        "plot.PPtreeExtclass"
      ]
    },
    {
      "page": "PPtreeExt_split",
      "title": "Projection Pursuit Classification Tree with Random Variable Selection",
      "topics": [
        "PPtreeExt_split"
      ]
    },
    {
      "page": "PPtreeExtclass",
      "title": "Projection pursuit classification tree",
      "topics": [
        "PPtreeExtclass"
      ]
    },
    {
      "page": "predict.PPtreeExtclass",
      "title": "Predict Method for Projection Pursuit Classification Tree Extensions",
      "topics": [
        "predict.PPtreeExtclass"
      ]
    },
    {
      "page": "print.PPtreeExtclass",
      "title": "Print Method for PPtreeExtclass Objects",
      "topics": [
        "print.PPtreeExtclass"
      ]
    },
    {
      "page": "TreeExt.construct",
      "title": "Projection pursuit classification tree extensions",
      "topics": [
        "TreeExt.construct"
      ]
    },
    {
      "page": "wine",
      "title": "Wine data set",
      "topics": [
        "wine"
      ]
    }
  ],
  "_pkglogo": "https://github.com/cran/PPtreeExt/raw/HEAD/man/figures/logo.png",
  "_readme": "https://github.com/cran/PPtreeExt/raw/HEAD/README.md",
  "_rundeps": [
    "base64enc",
    "bslib",
    "cachem",
    "cli",
    "commonmark",
    "cpp11",
    "digest",
    "farver",
    "fastmap",
    "fontawesome",
    "Formula",
    "fs",
    "ggplot2",
    "glue",
    "gridExtra",
    "gtable",
    "htmltools",
    "httpuv",
    "inum",
    "isoband",
    "jquerylib",
    "jsonlite",
    "labeling",
    "later",
    "lattice",
    "libcoin",
    "lifecycle",
    "magrittr",
    "MASS",
    "Matrix",
    "memoise",
    "mime",
    "MixSim",
    "mvtnorm",
    "otel",
    "partykit",
    "PPtreeViz",
    "promises",
    "R6",
    "rappdirs",
    "RColorBrewer",
    "Rcpp",
    "RcppArmadillo",
    "rlang",
    "rpart",
    "S7",
    "sass",
    "scales",
    "shiny",
    "sourcetools",
    "survival",
    "vctrs",
    "viridisLite",
    "withr",
    "xtable"
  ],
  "_sysdeps": [
    {
      "shlib": "liblapack",
      "package": "libopenblas0-pthread",
      "source": "openblas",
      "version": "0.3.26+ds-1ubuntu0.1",
      "name": "openblas",
      "homepage": "https://www.openblas.net/",
      "description": "Optimized BLAS (linear algebra) library (shared lib, pthread)"
    },
    {
      "shlib": "libblas",
      "package": "libopenblas0-pthread",
      "source": "openblas",
      "version": "0.3.26+ds-1ubuntu0.1",
      "name": "openblas",
      "homepage": "https://www.openblas.net/",
      "description": "Optimized BLAS (linear algebra) library (shared lib, pthread)"
    },
    {
      "shlib": "libstdc++",
      "package": "libstdc++6",
      "source": "gcc",
      "version": "14.2.0-4ubuntu2~24.04.1",
      "name": "c++",
      "homepage": "http://gcc.gnu.org/",
      "description": "GNU Standard C++ Library v3"
    }
  ],
  "_score": 1.6989700043360187,
  "_indexed": false,
  "_nocasepkg": "pptreeext",
  "_universes": [
    "cran"
  ],
  "_indexurl": "https://natydasilva.r-universe.dev/PPtreeExt",
  "_binaries": [
    {
      "r": "4.7.0",
      "os": "linux",
      "version": "0.1.0",
      "date": "2026-06-06T06:48:28.000Z",
      "distro": "noble",
      "arch": "aarch64",
      "commit": "83d78644ac2cea2e9e39c9ee367496ea78ffad4d",
      "fileid": "2737462fc0dbf3b52de34c4cf66cb2858e500a48f4fde28d6372b07e8aa8a550",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/cran/actions/runs/27055275838"
    },
    {
      "r": "4.7.0",
      "os": "linux",
      "version": "0.1.0",
      "date": "2026-06-06T06:48:12.000Z",
      "distro": "noble",
      "arch": "x86_64",
      "commit": "83d78644ac2cea2e9e39c9ee367496ea78ffad4d",
      "fileid": "b86b42ba31533328cf867b254fc545ffda05e1efcf3535e5fea77030244c0217",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/cran/actions/runs/27055275838"
    },
    {
      "r": "4.6.0",
      "os": "linux",
      "version": "0.1.0",
      "date": "2026-06-06T06:50:11.000Z",
      "distro": "noble",
      "arch": "aarch64",
      "commit": "83d78644ac2cea2e9e39c9ee367496ea78ffad4d",
      "fileid": "d05a22a55185223083f9361f9f59f2fa37d603426e88afc7cbff31190e22c750",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/cran/actions/runs/27055275838"
    },
    {
      "r": "4.6.0",
      "os": "linux",
      "version": "0.1.0",
      "date": "2026-06-06T06:48:05.000Z",
      "distro": "noble",
      "arch": "x86_64",
      "commit": "83d78644ac2cea2e9e39c9ee367496ea78ffad4d",
      "fileid": "1e33e00c37874adf9f962c80dd9dd2d4c20825bf2821c1f07ed16952c4ffb34e",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/cran/actions/runs/27055275838"
    },
    {
      "r": "4.6.0",
      "os": "wasm",
      "version": "0.1.0",
      "date": "2026-06-06T06:48:23.000Z",
      "arch": "emscripten",
      "commit": "83d78644ac2cea2e9e39c9ee367496ea78ffad4d",
      "fileid": "bb6430528979e13aa1332957595ecc45c626460c2b491176cd48d4afb4632982",
      "status": "success",
      "buildurl": "https://github.com/r-universe/cran/actions/runs/27055275838"
    }
  ]
}