{
  "_id": "6a2277a5cd65a98ecbd4bf68",
  "Package": "coga",
  "Title": "Convolution of Gamma Distributions",
  "Version": "1.2.3",
  "Date": "2026-03-06",
  "Authors@R": "c(\nperson(\"Chaoran\", \"Hu\", email = \"huchaoran.stat@gmail.com\", role = c(\"aut\", \"cre\")),\nperson(\"Vladimir\", \"Pozdnyakov\", email = \"vladimir.pozdnyakov@uconn.edu\", role = \"ths\"),\nperson(\"Jun\", \"Yan\", email = \"jun.yan@uconn.edu\", role = \"ths\"))",
  "Description": "Evaluation for density and distribution function of\nconvolution of gamma distributions in R. Two related exact\nmethods and one approximate method are implemented with\nefficient algorithm and C++ code. A quick guide for choosing\ncorrect method and usage of this package is given in package\nvignette. For the detail of methods used in this package, we\nrefer the user to Mathai(1982)<doi:10.1007/BF02481056>,\nMoschopoulos(1984)<doi:10.1007/BF02481123>,\nBarnabani(2017)<doi:10.1080/03610918.2014.963612>, Hu et\nal.(2020)<doi:10.1007/s00180-019-00924-9>.",
  "License": "GPL (>= 3.0)",
  "Encoding": "UTF-8",
  "RoxygenNote": "7.2.3",
  "VignetteBuilder": "R.rsp",
  "BugReports": "https://github.com/ChaoranHu/coga/issues",
  "URL": "https://github.com/ChaoranHu/coga",
  "NeedsCompilation": "yes",
  "SystemRequirements": "GNU GSL",
  "Packaged": {
    "Date": "2026-06-05 07:12:41 UTC",
    "User": "root"
  },
  "Author": "Chaoran Hu [aut, cre], Vladimir Pozdnyakov [ths], Jun Yan [ths]",
  "Maintainer": "Chaoran Hu <huchaoran.stat@gmail.com>",
  "Config/pak/sysreqs": "libgsl0-dev",
  "Repository": "https://cran.r-universe.dev",
  "Date/Publication": "2026-03-07 07:00:02 UTC",
  "RemoteUrl": "https://github.com/cran/coga",
  "RemoteRef": "HEAD",
  "RemoteSha": "64a9e2f5dbbd24980fbad23df5571149730bfb50",
  "MD5sum": "1dcb27d66c1f1fc1ba4d91e4593d9838",
  "_user": "cran",
  "_type": "src",
  "_file": "coga_1.2.3.tar.gz",
  "_fileid": "f7d0aaeba763ac5dafc4de7abf41337f80f2affc78abbf7786ba05101034cb7d",
  "_filesize": 546464,
  "_sha256": "f7d0aaeba763ac5dafc4de7abf41337f80f2affc78abbf7786ba05101034cb7d",
  "_created": "2026-06-05T07:12:41.000Z",
  "_published": "2026-06-05T07:15:49.324Z",
  "_distro": "noble",
  "_jobs": [
    {
      "job": 79681462898,
      "time": 126,
      "config": "linux-devel-arm64",
      "r": "4.7.0",
      "check": "NOTE",
      "artifact": "7430909836"
    },
    {
      "job": 79681462954,
      "time": 131,
      "config": "linux-devel-x86_64",
      "r": "4.7.0",
      "check": "NOTE",
      "artifact": "7430910261"
    },
    {
      "job": 79681463084,
      "time": 123,
      "config": "linux-release-arm64",
      "r": "4.6.0",
      "check": "NOTE",
      "artifact": "7430908852"
    },
    {
      "job": 79681462997,
      "time": 129,
      "config": "linux-release-x86_64",
      "r": "4.6.0",
      "check": "NOTE",
      "artifact": "7430909564"
    },
    {
      "job": 79681001429,
      "time": 209,
      "config": "source",
      "r": "4.6.0",
      "check": "OK",
      "artifact": "7430874712"
    },
    {
      "job": 79681462876,
      "time": 119,
      "config": "wasm-release",
      "r": "4.6.0",
      "check": "OK",
      "artifact": "7430907279"
    }
  ],
  "_buildurl": "https://github.com/r-universe/cran/actions/runs/27000812641",
  "_status": "success",
  "_host": "GitHub-Actions",
  "_upstream": "https://github.com/cran/coga",
  "_commit": {
    "id": "64a9e2f5dbbd24980fbad23df5571149730bfb50",
    "author": "Chaoran Hu <huchaoran.stat@gmail.com>",
    "committer": "cran-robot <csardi.gabor+cran@gmail.com>",
    "message": "version 1.2.3\n",
    "time": 1772866802
  },
  "_maintainer": {
    "name": "Chaoran Hu",
    "email": "huchaoran.stat@gmail.com",
    "login": "chaoranhu",
    "description": "Statistician in Eli Lilly and Company",
    "uuid": 25856430
  },
  "_registered": true,
  "_dependencies": [
    {
      "package": "R",
      "version": ">= 3.3.0",
      "role": "Depends"
    },
    {
      "package": "Rcpp",
      "role": "LinkingTo"
    },
    {
      "package": "RcppGSL",
      "role": "LinkingTo"
    },
    {
      "package": "stats",
      "role": "Imports"
    },
    {
      "package": "Rcpp",
      "role": "Imports"
    },
    {
      "package": "cubature",
      "role": "Imports"
    },
    {
      "package": "testthat",
      "role": "Suggests"
    },
    {
      "package": "R.rsp",
      "role": "Suggests"
    }
  ],
  "_owner": "cran",
  "_selfowned": false,
  "_usedby": 0,
  "_updates": [
    {
      "week": "2026-10",
      "n": 1
    }
  ],
  "_tags": [
    {
      "name": "1.2.3",
      "date": "2026-03-07"
    }
  ],
  "_stars": 0,
  "_contributors": [
    {
      "user": "chaoranhu",
      "count": 2,
      "uuid": 25856430
    }
  ],
  "_userbio": {
    "uuid": 6899542,
    "type": "organization",
    "name": "cran",
    "description": "Unofficial read-only mirror of all CRAN R packages"
  },
  "_downloads": {
    "count": 292,
    "source": "https://cranlogs.r-pkg.org/downloads/total/last-month/coga"
  },
  "_mentions": 1,
  "_devurl": "https://github.com/chaoranhu/coga",
  "_searchresults": 16,
  "_topics": [
    "gsl",
    "cpp"
  ],
  "_rbuild": "4.6.0",
  "_assets": [
    "extra/citation.cff",
    "extra/citation.html",
    "extra/citation.json",
    "extra/citation.txt",
    "extra/coga.html",
    "extra/contents.json",
    "extra/NEWS.html",
    "extra/NEWS.txt",
    "manual.pdf"
  ],
  "_homeurl": "https://github.com/chaoranhu/coga",
  "_realowner": "chaoranhu",
  "_cranurl": false,
  "_releases": [
    {
      "version": "0.1.0",
      "date": "2017-05-25"
    },
    {
      "version": "0.2.0",
      "date": "2017-06-28"
    },
    {
      "version": "0.2.1",
      "date": "2017-07-27"
    },
    {
      "version": "0.2.2",
      "date": "2018-01-12"
    },
    {
      "version": "1.0.0",
      "date": "2018-05-08"
    },
    {
      "version": "1.1.0",
      "date": "2019-10-08"
    },
    {
      "version": "1.1.1",
      "date": "2021-10-07"
    },
    {
      "version": "1.2.0",
      "date": "2023-08-20"
    },
    {
      "version": "1.2.1",
      "date": "2023-11-29"
    },
    {
      "version": "1.2.2",
      "date": "2024-01-10"
    },
    {
      "version": "1.2.3",
      "date": "2026-03-07"
    }
  ],
  "_exports": [
    "dcoga",
    "dcoga_approx",
    "dcoga2dim",
    "pcoga",
    "pcoga_approx",
    "pcoga2dim",
    "pcoga2dim_diff_shape",
    "rcoga"
  ],
  "_help": [
    {
      "page": "coga",
      "title": "coga: Convolution of independent Gamma Distributions",
      "topics": [
        "coga-package",
        "coga"
      ]
    },
    {
      "page": "dcoga",
      "title": "Convolution of Gamma Distributions (Exact Method).",
      "topics": [
        "dcoga",
        "pcoga",
        "rcoga"
      ]
    },
    {
      "page": "dcoga_approx",
      "title": "Convolution of Gamma distribuitons (Approximation Method)",
      "topics": [
        "dcoga_approx",
        "pcoga_approx"
      ]
    },
    {
      "page": "dcoga2dim",
      "title": "Convolution of Two Gamma Distributions (Exact Method).",
      "topics": [
        "dcoga2dim",
        "pcoga2dim"
      ]
    },
    {
      "page": "pcoga2dim_diff_shape",
      "title": "Recurrence Identity of Shape Parameter for 'pcoga2dim'",
      "topics": [
        "pcoga2dim_diff_shape"
      ]
    }
  ],
  "_rundeps": [
    "cubature",
    "Rcpp",
    "RcppGSL"
  ],
  "_sysdeps": [
    {
      "shlib": "libgsl",
      "package": "libgsl27",
      "headers": "libgsl-dev",
      "source": "gsl",
      "version": "2.7.1+dfsg-6ubuntu2",
      "name": "gsl",
      "homepage": "https://www.gnu.org/software/gsl",
      "description": "GNU Scientific Library (GSL) -- library package"
    },
    {
      "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"
    }
  ],
  "_vignettes": [
    {
      "source": "quick_guide.pdf.asis",
      "filename": "quick_guide.pdf",
      "title": "Quick guide for 'coga'",
      "engine": "R.rsp::asis",
      "headings": [],
      "created": "2018-05-08 18:51:46",
      "modified": "2018-05-08 18:51:46",
      "commits": 1
    }
  ],
  "_score": 2.204119982655925,
  "_indexed": false,
  "_nocasepkg": "coga",
  "_universes": [
    "cran"
  ],
  "_indexurl": "https://chaoranhu.r-universe.dev/coga",
  "_binaries": [
    {
      "r": "4.7.0",
      "os": "linux",
      "version": "1.2.3",
      "date": "2026-06-05T07:15:07.000Z",
      "distro": "noble",
      "arch": "aarch64",
      "commit": "64a9e2f5dbbd24980fbad23df5571149730bfb50",
      "fileid": "55cebecef6253e2081298716fdf539c9db2eaed1edc957ca641998dbc54e5b72",
      "status": "success",
      "check": "NOTE",
      "buildurl": "https://github.com/r-universe/cran/actions/runs/27000812641"
    },
    {
      "r": "4.7.0",
      "os": "linux",
      "version": "1.2.3",
      "date": "2026-06-05T07:15:04.000Z",
      "distro": "noble",
      "arch": "x86_64",
      "commit": "64a9e2f5dbbd24980fbad23df5571149730bfb50",
      "fileid": "b608114397de791d964821d5723a63e9f45303fee76c7d4c5c0ce6b12f440077",
      "status": "success",
      "check": "NOTE",
      "buildurl": "https://github.com/r-universe/cran/actions/runs/27000812641"
    },
    {
      "r": "4.6.0",
      "os": "linux",
      "version": "1.2.3",
      "date": "2026-06-05T07:15:03.000Z",
      "distro": "noble",
      "arch": "aarch64",
      "commit": "64a9e2f5dbbd24980fbad23df5571149730bfb50",
      "fileid": "77bc0d5fd25050179c7b746a4f7ad50b9ab7bd67c17d3a2b98080b9037a8d183",
      "status": "success",
      "check": "NOTE",
      "buildurl": "https://github.com/r-universe/cran/actions/runs/27000812641"
    },
    {
      "r": "4.6.0",
      "os": "linux",
      "version": "1.2.3",
      "date": "2026-06-05T07:15:02.000Z",
      "distro": "noble",
      "arch": "x86_64",
      "commit": "64a9e2f5dbbd24980fbad23df5571149730bfb50",
      "fileid": "90173dd0e2e23d0588ce931e7175ac41fd6a479887f0ee8b35ab6002e5994240",
      "status": "success",
      "check": "NOTE",
      "buildurl": "https://github.com/r-universe/cran/actions/runs/27000812641"
    },
    {
      "r": "4.6.0",
      "os": "wasm",
      "version": "1.2.3",
      "date": "2026-06-05T07:15:06.000Z",
      "arch": "emscripten",
      "commit": "64a9e2f5dbbd24980fbad23df5571149730bfb50",
      "fileid": "58051ce9ef00a85e6a6f29603aebca8306c4b02e7646fec43a07c9a69c3cc95b",
      "status": "success",
      "buildurl": "https://github.com/r-universe/cran/actions/runs/27000812641"
    }
  ]
}