{
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  "Package": "ggroups",
  "Title": "Pedigree and Genetic Groups",
  "Version": "2.1.2",
  "Authors@R": "person(\"Mohammad Ali\", \"Nilforooshan\", email=\"m.a.nilforooshan@gmail.com\", role = c(\"aut\", \"cre\"), comment = c(ORCID = \"0000-0003-0339-5442\"))",
  "Description": "Calculates additive and dominance genetic relationship\nmatrices and their inverses, in matrix and tabular-sparse\nformats. It includes functions for checking and processing\npedigree, calculating inbreeding coefficients (Meuwissen & Luo,\n1992 <doi:10.1186/1297-9686-24-4-305>), as well as functions to\ncalculate the matrix of genetic group contributions (Q), and\nadding those contributions to the genetic merit of animals\n(Quaas (1988) <doi:10.3168/jds.S0022-0302(88)79691-5>).\nCalculation of Q is computationally extensive. There are\ncomputationally optimized functions to calculate Q.",
  "License": "GPL-3",
  "URL": "https://github.com/nilforooshan/ggroups",
  "BugReports": "https://github.com/nilforooshan/ggroups/issues",
  "RoxygenNote": "7.1.2",
  "Encoding": "UTF-8",
  "Repository": "https://nilforooshan.r-universe.dev",
  "Date/Publication": "2024-09-17 00:21:27 UTC",
  "RemoteUrl": "https://github.com/nilforooshan/ggroups",
  "RemoteRef": "HEAD",
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  "NeedsCompilation": "no",
  "Packaged": {
    "Date": "2026-05-11 07:26:22 UTC",
    "User": "root"
  },
  "Author": "Mohammad Ali Nilforooshan [aut, cre] (ORCID:\n<https://orcid.org/0000-0003-0339-5442>)",
  "Maintainer": "Mohammad Ali Nilforooshan <m.a.nilforooshan@gmail.com>",
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  "_published": "2026-05-22T11:46:48.574Z",
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    "message": "Added GitHub Actions\n",
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    "email": "m.a.nilforooshan@gmail.com",
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    "type": "user",
    "name": "Mohammad Ali Nilforooshan",
    "description": "Quantitative Geneticist"
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    "source": "https://cranlogs.r-pkg.org/downloads/total/last-month/ggroups"
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    "extra/NEWS.html",
    "extra/NEWS.txt",
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  "_realowner": "nilforooshan",
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      "date": "2019-03-31"
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      "date": "2019-04-13"
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      "date": "2019-05-11"
    },
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      "date": "2020-02-09"
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      "date": "2021-11-03"
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    "buildD",
    "gghead",
    "inb",
    "inbreed",
    "mat2tab",
    "offspring",
    "pedcheck",
    "peddown",
    "pedup",
    "pruneped",
    "Qgpu",
    "qmat",
    "qmatL",
    "qmatXL",
    "renum",
    "rg",
    "smgsped",
    "tab2mat",
    "tabA",
    "tabAinv",
    "tabD",
    "tabDinv"
  ],
  "_help": [
    {
      "page": "ggroups-package",
      "title": "Pedigree and genetic groups",
      "topics": [
        "ggroups-package"
      ]
    },
    {
      "page": "buildA",
      "title": "Relationship matrix *A*",
      "topics": [
        "buildA"
      ]
    },
    {
      "page": "buildD",
      "title": "Relationship matrix *D*",
      "topics": [
        "buildD"
      ]
    },
    {
      "page": "gghead",
      "title": "Append genetic groups to the pedigree",
      "topics": [
        "gghead"
      ]
    },
    {
      "page": "inb",
      "title": "Individual's inbreeding coefficient",
      "topics": [
        "inb"
      ]
    },
    {
      "page": "inbreed",
      "title": "Inbreeding coefficients",
      "topics": [
        "inbreed"
      ]
    },
    {
      "page": "mat2tab",
      "title": "Matrix to tabular",
      "topics": [
        "mat2tab"
      ]
    },
    {
      "page": "offspring",
      "title": "Descendants of an individual per generation",
      "topics": [
        "offspring"
      ]
    },
    {
      "page": "pedcheck",
      "title": "Basic pedigree checks",
      "topics": [
        "pedcheck"
      ]
    },
    {
      "page": "peddown",
      "title": "Downward pedigree extraction",
      "topics": [
        "peddown"
      ]
    },
    {
      "page": "pedup",
      "title": "Upward pedigree extraction",
      "topics": [
        "pedup"
      ]
    },
    {
      "page": "pruneped",
      "title": "Pedigree pruning",
      "topics": [
        "pruneped"
      ]
    },
    {
      "page": "Qgpu",
      "title": "Vector *Qg* + *u*",
      "topics": [
        "Qgpu"
      ]
    },
    {
      "page": "qmat",
      "title": "Matrix *Q*",
      "topics": [
        "qmat"
      ]
    },
    {
      "page": "qmatL",
      "title": "Matrix *Q* for large pedigrees",
      "topics": [
        "qmatL"
      ]
    },
    {
      "page": "qmatXL",
      "title": "Matrix *Q* for large pedigrees (parallel processing)",
      "topics": [
        "qmatXL"
      ]
    },
    {
      "page": "renum",
      "title": "Pedigree renumbering",
      "topics": [
        "renum"
      ]
    },
    {
      "page": "rg",
      "title": "Genetic relationship coefficient",
      "topics": [
        "rg"
      ]
    },
    {
      "page": "smgsped",
      "title": "Sire-maternal grandsire (S-MGS) pedigree",
      "topics": [
        "smgsped"
      ]
    },
    {
      "page": "tab2mat",
      "title": "Tabular to matrix",
      "topics": [
        "tab2mat"
      ]
    },
    {
      "page": "tabA",
      "title": "Relationship matrix *A* in a tabular format",
      "topics": [
        "tabA"
      ]
    },
    {
      "page": "tabAinv",
      "title": "Inverse of the relationship matrix *A* in a tabular format",
      "topics": [
        "tabAinv"
      ]
    },
    {
      "page": "tabD",
      "title": "Dominance relationship matrix *D* in a tabular-sparse format",
      "topics": [
        "tabD"
      ]
    },
    {
      "page": "tabDinv",
      "title": "Inverse of the dominance relationship matrix *D* in a tabular format",
      "topics": [
        "tabDinv"
      ]
    }
  ],
  "_readme": "https://github.com/nilforooshan/ggroups/raw/HEAD/README.md",
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