{
  "_id": "6ab78fe199f7aa8c6aa32420",
  "Package": "seqmon",
  "Type": "Package",
  "Title": "Group Sequential Design Class for Clinical Trials",
  "Version": "2.5",
  "Date": "2024-05-06",
  "Author": "David A Schoenfeld and Hui Zheng",
  "Maintainer": "Hui Zheng <hzheng1@mgh.harvard.edu>",
  "Description": "S4 class object for creating and managing group sequential\ndesigns. It calculates the efficacy and futility boundaries at\neach look. It allows modifying the design and tracking the\ndesign update history.",
  "License": "MIT + file LICENSE",
  "NeedsCompilation": "no",
  "Packaged": {
    "Date": "2026-09-26 09:24:20 UTC",
    "User": "root"
  },
  "RoxygenNote": "7.3.1",
  "Repository": "https://cran.r-universe.dev",
  "Date/Publication": "2024-05-18 02:39:00 UTC",
  "RemoteUrl": "https://github.com/cran/seqmon",
  "RemoteRef": "HEAD",
  "RemoteSha": "5023afcc00e25d766983f8d1bc7d07651aa1a1d8",
  "_user": "cran",
  "_type": "src",
  "_file": "seqmon_2.5.tar.gz",
  "_fileid": "https://r2.ropensci.org/da96e60a2cd86445ee843f63185e5dbc0b16028d99d3368ffde3971d7aaaccdc",
  "_filesize": 182336,
  "_sha256": "da96e60a2cd86445ee843f63185e5dbc0b16028d99d3368ffde3971d7aaaccdc",
  "_expires": "2027-01-04T09:26:55.000Z",
  "_created": "2026-09-26T09:24:20.000Z",
  "_published": "2026-09-26T09:26:57.195Z",
  "_jobs": [
    {
      "job": 108378683633,
      "time": 119,
      "config": "linux-devel-x86_64",
      "r": "4.7.0",
      "check": "OK",
      "artifact": "10903290760"
    },
    {
      "job": 108378683502,
      "time": 122,
      "config": "linux-release-x86_64",
      "r": "4.6.1",
      "check": "OK",
      "artifact": "10903136771"
    },
    {
      "job": 108378152838,
      "time": 221,
      "config": "source",
      "r": "4.6.1",
      "check": "OK",
      "artifact": "10902972000"
    },
    {
      "job": 108378683551,
      "time": 89,
      "config": "wasm-release",
      "r": "4.6.0",
      "check": "OK",
      "artifact": "10902962131"
    },
    {
      "job": 108378683504,
      "time": 85,
      "config": "windows-devel-x86_64",
      "r": "4.7.0",
      "check": "OK",
      "artifact": "10903750050"
    },
    {
      "job": 108378683501,
      "time": 89,
      "config": "windows-release-x86_64",
      "r": "4.6.1",
      "check": "OK",
      "artifact": "10903261446"
    }
  ],
  "_host": "GitHub-Actions",
  "_buildurl": "https://github.com/r-universe/cran/actions/runs/36232473526",
  "_status": "success",
  "_upstream": "https://github.com/cran/seqmon",
  "_commit": {
    "id": "5023afcc00e25d766983f8d1bc7d07651aa1a1d8",
    "author": "Hui Zheng <hzheng1@mgh.harvard.edu>",
    "committer": "cran-robot <csardi.gabor+cran@gmail.com>",
    "message": "version 2.5\n",
    "time": 1715999940
  },
  "_maintainer": {
    "name": "Hui Zheng",
    "email": "hzheng1@mgh.harvard.edu"
  },
  "_distro": "resolute",
  "_registered": true,
  "_dependencies": [
    {
      "package": "methods",
      "role": "Depends"
    },
    {
      "package": "roxygen2",
      "role": "Suggests"
    }
  ],
  "_owner": "cran",
  "_selfowned": false,
  "_usedby": 0,
  "_updates": [],
  "_tags": [],
  "_stars": 0,
  "_userbio": {
    "uuid": 6899542,
    "type": "organization",
    "name": "cran",
    "followers": 630,
    "description": "Unofficial read-only mirror of all CRAN R packages"
  },
  "_downloads": {
    "count": 293,
    "source": "https://cranlogs.r-pkg.org/downloads/total/last-month/seqmon"
  },
  "_searchresults": 24,
  "_rbuild": "4.6.1",
  "_assets": [
    "extra/citation.cff",
    "extra/citation.html",
    "extra/citation.json",
    "extra/citation.txt",
    "extra/contents.json",
    "extra/manual.pdf",
    "extra/seqmon.html",
    "LICENSE"
  ],
  "_realowner": "cran",
  "_cranurl": false,
  "_releases": [
    {
      "version": "0.1",
      "date": "2004-05-26"
    },
    {
      "version": "0.2",
      "date": "2012-10-29"
    },
    {
      "version": "2.1",
      "date": "2016-10-12"
    },
    {
      "version": "2.2",
      "date": "2018-11-09"
    },
    {
      "version": "2.3",
      "date": "2019-03-08"
    },
    {
      "version": "2.4",
      "date": "2020-09-04"
    },
    {
      "version": "2.5",
      "date": "2024-05-18"
    }
  ],
  "_exports": [
    "alphaspend",
    "alphaspendf",
    "betaspend",
    "betaspendf",
    "calcBoundaries",
    "curtail",
    "curtailDesign",
    "getProbabilities",
    "plotBoundaries",
    "printDesign",
    "seqmon",
    "sequential.design",
    "setAlphaspendfString",
    "setBaseAlphaspendf",
    "setBaseBetaspendf",
    "setBetaspendfString",
    "setCurrentLook",
    "setDatestamp",
    "setNoncentrality",
    "setTimes",
    "summaryDesign",
    "updateDesign"
  ],
  "_help": [
    {
      "page": "seqmon-package",
      "title": "seqmon",
      "topics": [
        "seqmon-package"
      ]
    },
    {
      "page": "alphaspend",
      "title": "Function that calculates the upper boundaries for efficacy",
      "topics": [
        "alphaspend"
      ]
    },
    {
      "page": "alphaspendf",
      "title": "The default alpha spending function",
      "topics": [
        "alphaspendf"
      ]
    },
    {
      "page": "betaspend",
      "title": "Function that calculates the lower boundaries for futility",
      "topics": [
        "betaspend"
      ]
    },
    {
      "page": "betaspendf",
      "title": "The default beta spending function",
      "topics": [
        "betaspendf"
      ]
    },
    {
      "page": "calcBoundaries",
      "title": "Function for calculating the efficacy and futility boundaries",
      "topics": [
        "calcBoundaries"
      ]
    },
    {
      "page": "curtail",
      "title": "Generic function that calculates the probability to declare efficacy at the end of study given the Z value at the current look",
      "topics": [
        "curtail"
      ]
    },
    {
      "page": "curtailDesign",
      "title": "Function for calculating the probability for efficacy given known information",
      "topics": [
        "curtailDesign"
      ]
    },
    {
      "page": "getProbabilities",
      "title": "Function that calculates the cumulative probabilities to declare efficacy and futility",
      "topics": [
        "getProbabilities"
      ]
    },
    {
      "page": "plotBoundaries",
      "title": "Function that plots the efficacy and futility boundaries",
      "topics": [
        "plotBoundaries"
      ]
    },
    {
      "page": "printDesign",
      "title": "Function that displays the features of the design",
      "topics": [
        "printDesign",
        "printDesign,sequential.design-method"
      ]
    },
    {
      "page": "seqmon",
      "title": "Generic function that calculates boundary crossing probabilities used for monitoring clinical trials",
      "topics": [
        "seqmon"
      ]
    },
    {
      "page": "sequential.design",
      "title": "The sequential design class",
      "topics": [
        "sequential.design"
      ]
    },
    {
      "page": "sequential.design-class",
      "title": "Class '\"sequential.design\"'",
      "topics": [
        "calcBoundaries,sequential.design-method",
        "curtailDesign,sequential.design-method",
        "getProbabilities,sequential.design-method",
        "plotBoundaries,sequential.design-method",
        "print,sequential.design-method",
        "sequential.design,sequential.design-class",
        "sequential.design-class",
        "setAlphaspendfString,sequential.design-method",
        "setBaseAlphaspendf,sequential.design-method",
        "setBaseBetaspendf,sequential.design-method",
        "setBetaspendfString,sequential.design-method",
        "setCurrentLook,sequential.design-method",
        "setDatestamp,sequential.design-method",
        "setNoncentrality,sequential.design-method",
        "setTimes,sequential.design-method",
        "summary,sequential.design-method",
        "updateDesign,sequential.design-method"
      ]
    },
    {
      "page": "setAlphaspendfString",
      "title": "Function that Sets the expression of the base alpha spending function as a string",
      "topics": [
        "setAlphaspendfString"
      ]
    },
    {
      "page": "setBaseAlphaspendf",
      "title": "Function that sets the base alpha spending function",
      "topics": [
        "setBaseAlphaspendf"
      ]
    },
    {
      "page": "setBaseBetaspendf",
      "title": "Function that sets the base beta spending function",
      "topics": [
        "setBaseBetaspendf"
      ]
    },
    {
      "page": "setBetaspendfString",
      "title": "Function that sets the expression of the base beta spending function as a string",
      "topics": [
        "setBetaspendfString"
      ]
    },
    {
      "page": "setCurrentLook",
      "title": "Function that sets the current look number",
      "topics": [
        "setCurrentLook"
      ]
    },
    {
      "page": "setDatestamp",
      "title": "Function that sets the date stamp of the design object",
      "topics": [
        "setDatestamp"
      ]
    },
    {
      "page": "setNoncentrality",
      "title": "Function that sets the noncentrality parameter",
      "topics": [
        "setNoncentrality"
      ]
    },
    {
      "page": "setTimes",
      "title": "Function that sets the look times",
      "topics": [
        "setTimes"
      ]
    },
    {
      "page": "summaryDesign",
      "title": "Function that shows the cumulative probabilities for efficacy and futility",
      "topics": [
        "summaryDesign",
        "summaryDesign,sequential.design-method"
      ]
    },
    {
      "page": "updateDesign",
      "title": "Function that updates the design",
      "topics": [
        "updateDesign"
      ]
    }
  ],
  "_rundeps": [],
  "_score": 1.380211241711606,
  "_indexed": true,
  "_nocasepkg": "seqmon",
  "_universes": [
    "cran"
  ],
  "_binaries": [
    {
      "r": "4.7.0",
      "os": "linux",
      "version": "2.5",
      "date": "2026-09-26T09:26:18.000Z",
      "distro": "resolute",
      "commit": "5023afcc00e25d766983f8d1bc7d07651aa1a1d8",
      "fileid": "https://r2.ropensci.org/ebfabcfaea16133fe3606d156e32fd2de363abd7bed492d6d4936e19a70e8a0e",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/cran/actions/runs/36232473526"
    },
    {
      "r": "4.6.1",
      "os": "linux",
      "version": "2.5",
      "date": "2026-09-26T09:26:15.000Z",
      "distro": "resolute",
      "commit": "5023afcc00e25d766983f8d1bc7d07651aa1a1d8",
      "fileid": "https://r2.ropensci.org/d7c53fe418ba3cf1cc3afa4a3893c185b127cf312009e4c0456002b7202549e5",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/cran/actions/runs/36232473526"
    },
    {
      "r": "4.6.0",
      "os": "wasm",
      "version": "2.5",
      "date": "2026-09-26T09:26:03.000Z",
      "commit": "5023afcc00e25d766983f8d1bc7d07651aa1a1d8",
      "fileid": "https://r2.ropensci.org/1e7db1ecfc84b06f0516a4602a9e47e4e317ba7a2fd2dfafbd4937b2ffef72d1",
      "status": "success",
      "buildurl": "https://github.com/r-universe/cran/actions/runs/36232473526"
    },
    {
      "r": "4.7.0",
      "os": "win",
      "version": "2.5",
      "date": "2026-09-26T09:25:16.000Z",
      "commit": "5023afcc00e25d766983f8d1bc7d07651aa1a1d8",
      "fileid": "https://r2.ropensci.org/0d3a858c3e11e460857df4852315cee41c0311be95b849cd59f0b16b9063eb63",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/cran/actions/runs/36232473526"
    },
    {
      "r": "4.6.1",
      "os": "win",
      "version": "2.5",
      "date": "2026-09-26T09:25:22.000Z",
      "commit": "5023afcc00e25d766983f8d1bc7d07651aa1a1d8",
      "fileid": "https://r2.ropensci.org/dc5edd65b693855dafd1f3e0b9cc8847f6e53c4f4e49350a3bf0f3d7abc3c9a1",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/cran/actions/runs/36232473526"
    }
  ]
}