{
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  "Package": "Andromeda",
  "Type": "Package",
  "Title": "Asynchronous Disk-Based Representation of Massive Data",
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  "Date": "2026-06-11",
  "Authors@R": "c(\nperson(\"Adam\", \"Black\", , \"black@ohdsi.org\", role = c(\"aut\")),\nperson(\"Egill\", \"Fridgeirsson\", , \"e.fridgeirsson@erasmusmc.nl\", role = c(\"aut\")),\nperson(\"Martijn\", \"Schuemie\", , \"schuemie@ohdsi.org\", role = c(\"aut\", \"cre\")),\nperson(\"Marc A.\", \"Suchard\", , \"msuchard@ucla.edu\", role = c(\"aut\")),\nperson(\"Observational Health Data Science and Informatics\", role = c(\"cph\"))\n)",
  "Maintainer": "Martijn Schuemie <schuemie@ohdsi.org>",
  "Description": "Storing very large data objects on a local drive, while\nstill making it possible to manipulate the data in an efficient\nmanner.",
  "License": "Apache License 2.0",
  "VignetteBuilder": "knitr",
  "URL": "https://github.com/OHDSI/Andromeda",
  "BugReports": "https://github.com/OHDSI/Andromeda/issues",
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    "User": "root"
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  "Author": "Adam Black [aut], Egill Fridgeirsson [aut], Martijn Schuemie\n[aut, cre], Marc A. Suchard [aut], Observational Health Data\nScience and Informatics [cph]",
  "Repository": "https://cran.r-universe.dev",
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    "extra/citation.txt",
    "extra/contents.json",
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    "extra/readme.html",
    "extra/readme.md",
    "manual.pdf"
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  "_releases": [
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    },
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      "date": "2020-05-20"
    },
    {
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    },
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    },
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    },
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      "date": "2023-11-24"
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      "version": "0.6.5",
      "date": "2024-01-22"
    },
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      "version": "0.6.6",
      "date": "2024-03-21"
    },
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      "date": "2024-08-26"
    },
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      "date": "2025-05-07"
    },
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      "version": "1.1.0",
      "date": "2025-07-24"
    },
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      "date": "2025-08-22"
    },
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      "date": "2025-10-29"
    },
    {
      "version": "1.2.1",
      "date": "2026-06-11"
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  "_exports": [
    "andromeda",
    "appendToTable",
    "batchApply",
    "batchTest",
    "close",
    "copyAndromeda",
    "createIndex",
    "flushAndromeda",
    "getAndromedaTempDiskSpace",
    "groupApply",
    "isAndromeda",
    "isAndromedaTable",
    "isValidAndromeda",
    "listIndices",
    "loadAndromeda",
    "removeIndex",
    "restoreDate",
    "restorePosixct",
    "saveAndromeda",
    "show"
  ],
  "_help": [
    {
      "page": "andromeda_constructor",
      "title": "Create an Andromeda object",
      "topics": [
        "andromeda"
      ]
    },
    {
      "page": "Andromeda-class",
      "title": "The Andromeda class",
      "topics": [
        "$,Andromeda-method",
        "$<-,Andromeda-method",
        "Andromeda",
        "Andromeda-class",
        "close,Andromeda-method",
        "length,Andromeda-method",
        "names,Andromeda-method",
        "show,Andromeda-method",
        "[[,Andromeda-method",
        "[[<-,Andromeda-method"
      ]
    },
    {
      "page": "appendToTable",
      "title": "Append to an Andromeda table",
      "topics": [
        "appendToTable"
      ]
    },
    {
      "page": "batchApply",
      "title": "Apply a function to batches of data in an Andromeda table",
      "topics": [
        "batchApply"
      ]
    },
    {
      "page": "batchTest",
      "title": "Apply a boolean test to batches of data in an Andromeda table and terminate early",
      "topics": [
        "batchTest"
      ]
    },
    {
      "page": "copyAndromeda",
      "title": "Copy Andromeda",
      "topics": [
        "copyAndromeda"
      ]
    },
    {
      "page": "createIndex",
      "title": "Create an index on one or more columns in an Andromeda table",
      "topics": [
        "createIndex"
      ]
    },
    {
      "page": "flushAndromeda",
      "title": "Flush changes to disk",
      "topics": [
        "flushAndromeda"
      ]
    },
    {
      "page": "getAndromedaTempDiskSpace",
      "title": "Get the available disk space in Andromeda temp",
      "topics": [
        "getAndromedaTempDiskSpace"
      ]
    },
    {
      "page": "groupApply",
      "title": "Apply a function to groups of data in an Andromeda table",
      "topics": [
        "groupApply"
      ]
    },
    {
      "page": "isAndromeda",
      "title": "Check whether an object is an Andromeda object",
      "topics": [
        "isAndromeda"
      ]
    },
    {
      "page": "isAndromedaTable",
      "title": "Is the object an Andromeda table?",
      "topics": [
        "isAndromedaTable"
      ]
    },
    {
      "page": "isValidAndromeda",
      "title": "Check whether an Andromeda object is still valid",
      "topics": [
        "isValidAndromeda"
      ]
    },
    {
      "page": "listIndices",
      "title": "List all indices on an Andromeda table",
      "topics": [
        "listIndices"
      ]
    },
    {
      "page": "loadAndromeda",
      "title": "Load Andromeda from file",
      "topics": [
        "loadAndromeda"
      ]
    },
    {
      "page": "names.tbl_Andromeda",
      "title": "Get the column names of an Andromeda table",
      "topics": [
        "names.tbl_Andromeda"
      ]
    },
    {
      "page": "names-set-Andromeda-method",
      "title": "Set table names in an Andromeda object",
      "topics": [
        "names<-,Andromeda-method"
      ]
    },
    {
      "page": "names-set-.tbl_Andromeda",
      "title": "Set column names of an Andromeda table",
      "topics": [
        "names<-.tbl_Andromeda"
      ]
    },
    {
      "page": "removeIndex",
      "title": "Removes an index from an Andromeda table",
      "topics": [
        "removeIndex"
      ]
    },
    {
      "page": "restoreDate",
      "title": "Restore dates",
      "topics": [
        "restoreDate"
      ]
    },
    {
      "page": "restorePosixct",
      "title": "Restore timestamps",
      "topics": [
        "restorePosixct"
      ]
    },
    {
      "page": "saveAndromeda",
      "title": "Save Andromeda to file",
      "topics": [
        "saveAndromeda"
      ]
    }
  ],
  "_readme": "https://github.com/cran/Andromeda/raw/HEAD/README.md",
  "_rundeps": [
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    "cli",
    "cpp11",
    "DBI",
    "dbplyr",
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  "_vignettes": [
    {
      "source": "UsingAndromeda.Rmd",
      "filename": "UsingAndromeda.html",
      "title": "Using Andromeda",
      "author": "Martijn J. Schuemie",
      "engine": "knitr::rmarkdown",
      "headings": [
        "Introduction",
        "Permanence",
        "Technology",
        "Creating an Andromeda object",
        "Closing Andromeda objects",
        "Temporary file location",
        "Querying data from an Andromeda object",
        "Simple meta-data",
        "Using SQL",
        "Dates and times",
        "Batch operations",
        "Safe mode",
        "Saving and loading Andromeda objects",
        "Using Andromeda in your packages",
        "Import dplyr",
        "Import .data from rlang",
        "Beware of variable name confusion"
      ],
      "created": "2020-05-11 10:10:27",
      "modified": "2025-05-07 13:45:43",
      "commits": 4
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