{
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  "Package": "houba",
  "Type": "Package",
  "Title": "Manipulation of (Large) Memory-Mapped Objects (Vectors, Matrices\nand Arrays)",
  "Version": "0.1.1",
  "Date": "2026-02-20",
  "Authors@R": "c(\nperson(\"Hervé\", \"Perdry\",\nemail = \"herve.perdry@universite-paris-saclay.fr\",\nrole = c(\"aut\", \"cre\")),\nperson(\"Juliette\", \"Meyniel\",\nrole = \"aut\"))",
  "Maintainer": "Hervé Perdry <herve.perdry@universite-paris-saclay.fr>",
  "Description": "Manipulate data through memory-mapped files, as vectors,\nmatrices or arrays. Basic arithmetic functions are implemented,\nbut currently no matrix arithmetic. Can write and read\ndescriptor files for compatibility with the 'bigmemory'\npackage.",
  "License": "CeCILL-2",
  "Encoding": "UTF-8",
  "VignetteBuilder": "knitr",
  "RoxygenNote": "7.3.2",
  "NeedsCompilation": "yes",
  "Packaged": {
    "Date": "2026-05-21 08:47:05 UTC",
    "User": "root"
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  "Author": "Hervé Perdry [aut, cre], Juliette Meyniel [aut]",
  "Repository": "https://cran.r-universe.dev",
  "Date/Publication": "2026-02-20 18:30:02 UTC",
  "RemoteUrl": "https://github.com/cran/houba",
  "RemoteRef": "HEAD",
  "RemoteSha": "63ddd601b83b7576a0e380b55b6f78ca2828df66",
  "MD5sum": "217a52d84eb852eb062b58a6df56ce4b",
  "_user": "cran",
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  "_published": "2026-05-21T20:26:19.687Z",
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    "author": "Hervé Perdry <herve.perdry@universite-paris-saclay.fr>",
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    "as.mvector",
    "colMeans",
    "colSums",
    "copy",
    "copy.values",
    "descriptor.file",
    "flush",
    "houba",
    "inplace.div",
    "inplace.inverse",
    "inplace.minus",
    "inplace.opposite",
    "inplace.prod",
    "inplace.sum",
    "marray",
    "mmatrix",
    "mvector",
    "read.descriptor",
    "restore",
    "rowMeans",
    "rowSums",
    "type"
  ],
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      "page": "apply",
      "title": "Apply functions over margins of a mmatrix",
      "topics": [
        "apply",
        "apply,mmatrix-method"
      ]
    },
    {
      "page": "Arithmetic",
      "title": "Arithmetic Operators",
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        "*,mmatrixOrMarray,array-method",
        "*,mmatrixOrMarray,mmatrixOrMarray-method",
        "*,mmatrixOrMarray,mvectorOrNumeric-method",
        "*,mvector,mvectorOrNumeric-method",
        "*,mvectorOrNumeric,mmatrixOrMarray-method",
        "*,numeric,mvector-method",
        "+,array,mmatrixOrMarray-method",
        "+,mmatrixOrMarray,array-method",
        "+,mmatrixOrMarray,mmatrixOrMarray-method",
        "+,mmatrixOrMarray,mvectorOrNumeric-method",
        "+,mvector,mvectorOrNumeric-method",
        "+,mvectorOrNumeric,mmatrixOrMarray-method",
        "+,numeric,mvector-method",
        "-,array,marray-method",
        "-,matrix,mmatrix-method",
        "-,mmatrixOrMarray,array-method",
        "-,mmatrixOrMarray,missing-method",
        "-,mmatrixOrMarray,mmatrixOrMarray-method",
        "-,mmatrixOrMarray,mvectorOrNumeric-method",
        "-,mvector,missing-method",
        "-,mvector,mvectorOrNumeric-method",
        "-,mvectorOrNumeric,marray-method",
        "-,mvectorOrNumeric,mmatrix-method",
        "-,numeric,mvector-method",
        "/,array,marray-method",
        "/,matrix,mmatrix-method",
        "/,mmatrixOrMarray,array-method",
        "/,mmatrixOrMarray,mmatrixOrMarray-method",
        "/,mmatrixOrMarray,mvectorOrNumeric-method",
        "/,mvector,mvectorOrNumeric-method",
        "/,mvectorOrNumeric,marray-method",
        "/,mvectorOrNumeric,mmatrix-method",
        "/,numeric,mvector-method",
        "Arithmetic"
      ]
    },
    {
      "page": "as-array",
      "title": "Converting memory-mapped objects to R objects",
      "topics": [
        "as.array.marray",
        "as.matrix.mmatrix",
        "as.vector.marray",
        "as.vector.mmatrix",
        "as.vector.mvector"
      ]
    },
    {
      "page": "as-marray",
      "title": "Conversion of R objects to memory mapped objects",
      "topics": [
        "as.marray",
        "as.marray,array-method",
        "as.mmatrix",
        "as.mmatrix,matrix-method",
        "as.mvector",
        "as.mvector,numeric-method"
      ]
    },
    {
      "page": "colSums",
      "title": "Row and Columns sums and means",
      "topics": [
        "colMeans,mmatrix-method",
        "colSums,mmatrix-method",
        "rowMeans,mmatrix-method",
        "rowSums,mmatrix-method"
      ]
    },
    {
      "page": "copy",
      "title": "Copy memory mapped object",
      "topics": [
        "copy",
        "copy,marray-method",
        "copy,mmatrix-method",
        "copy,mvector-method"
      ]
    },
    {
      "page": "copy.values",
      "title": "Copy values to memory mapped object",
      "topics": [
        "copy.values",
        "copy.values,memoryMapped,memoryMapped-method",
        "copy.values,memoryMapped,numericOrArray-method"
      ]
    },
    {
      "page": "descriptor",
      "title": "Descriptor file",
      "topics": [
        "descriptor.file",
        "descriptor.file,marray-method",
        "descriptor.file,mmatrix-method",
        "descriptor.file,mvector-method"
      ]
    },
    {
      "page": "dim",
      "title": "Change object dimensions",
      "topics": [
        "dim",
        "dim<-,memoryMapped,NULL-method",
        "dim<-,memoryMapped,numeric-method"
      ]
    },
    {
      "page": "extract",
      "title": "Read/write access to memory-mapped objects",
      "topics": [
        "extract",
        "[,marray,missing,missing-method",
        "[,marray,missing,numeric-method",
        "[,marray,numeric,missing-method",
        "[,marray,numeric,numeric-method",
        "[,mmatrix,missing,missing-method",
        "[,mmatrix,missing,numeric-method",
        "[,mmatrix,numeric,missing-method",
        "[,mmatrix,numeric,numeric-method",
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        "[<-,marray,missing,missing,memoryMapped-method",
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        "[<-,mmatrix,numeric,numeric,numeric-method",
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        "[<-,mvector,numeric,missing,memoryMapped-method",
        "[<-,mvector,numeric,missing,numeric-method"
      ]
    },
    {
      "page": "flush",
      "title": "Flushes changes from a memory-mapped matrix",
      "topics": [
        "flush",
        "flush,memoryMapped-method"
      ]
    },
    {
      "page": "houba",
      "title": "Options for package houba",
      "topics": [
        "houba"
      ]
    },
    {
      "page": "inplace",
      "title": "In-place arithmetic operations",
      "topics": [
        "inplace",
        "inplace.div",
        "inplace.div,memoryMapped,memoryMapped-method",
        "inplace.div,memoryMapped,numeric-method",
        "inplace.inverse",
        "inplace.minus",
        "inplace.minus,memoryMapped,memoryMapped-method",
        "inplace.minus,memoryMapped,numeric-method",
        "inplace.opposite",
        "inplace.prod",
        "inplace.prod,memoryMapped,memoryMapped-method",
        "inplace.prod,memoryMapped,numeric-method",
        "inplace.sum",
        "inplace.sum,memoryMapped,memoryMapped-method",
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      ]
    },
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      "page": "length-mvector-method",
      "title": "Length of mvector",
      "topics": [
        "length,mvector-method"
      ]
    },
    {
      "page": "marray",
      "title": "Creation of memory mapped objects",
      "topics": [
        "marray",
        "mmatrix",
        "mvector"
      ]
    },
    {
      "page": "marray-class",
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      "topics": [
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    },
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      "page": "restore",
      "title": "Restore memory-mapped matrix",
      "topics": [
        "restore",
        "restore,marray-method",
        "restore,mmatrix-method",
        "restore,mvector-method"
      ]
    },
    {
      "page": "type",
      "title": "Type of a memory-mapped object",
      "topics": [
        "type",
        "type,memoryMapped-method"
      ]
    }
  ],
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