{
  "_id": "6a93e68b7b325a6d97b713fc",
  "Package": "fastMatMR",
  "Title": "High-Performance Matrix Market File Operations",
  "Version": "1.2.7",
  "Authors@R": "c(\nperson(\"Rohit\", \"Goswami\", email = \"rgoswami@ieee.org\", role = c(\"aut\", \"cre\"),\ncomment = c(ORCID = \"0000-0002-2393-8056\")),\nperson(\"Ildiko\", \"Czeller\", email = \"czeildi@users.noreply.github.com\", role = c(\"rev\"),\ncomment = c(ORCID = \"0000-0002-9418-4589\")),\nperson(\"Adam\", \"Lugowski\", email = \"alugowski@gmail.com\", role = c(\"ctb\"),\ncomment = c(ORCID = \"0009-0004-0922-4067\"))\n)",
  "Description": "An interface to the 'fast_matrix_market' 'C++' library,\nthis package offers efficient read and write operations for\nMatrix Market files in R. It supports both sparse and dense\nmatrix formats. Peer-reviewed at 'rOpenSci'\n(<https://github.com/ropensci/software-review/issues/606>).",
  "Author": "Rohit Goswami [aut, cre]\n(<https://orcid.org/0000-0002-2393-8056>), Ildiko Czeller [rev]\n(<https://orcid.org/0000-0002-9418-4589>), Adam Lugowski [ctb]\n(<https://orcid.org/0009-0004-0922-4067>)",
  "Maintainer": "Rohit Goswami <rgoswami@ieee.org>",
  "License": "MIT + file LICENSE",
  "SystemRequirements": "C++17",
  "Encoding": "UTF-8",
  "Roxygen": "list(markdown = TRUE)",
  "RoxygenNote": "7.2.3",
  "URL": "https://github.com/ropensci/fastMatMR",
  "BugReports": "https://github.com/ropensci/fastMatMR/issues",
  "Config/testthat/edition": "3",
  "VignetteBuilder": "knitr",
  "Repository": "https://ropensci.r-universe.dev",
  "Date/Publication": "2026-03-01 16:40:13 UTC",
  "RemoteUrl": "https://github.com/ropensci/fastMatMR",
  "RemoteRef": "main",
  "RemoteSha": "d89ff0a82e7a66015144756865800f4dc48f1f02",
  "NeedsCompilation": "yes",
  "Packaged": {
    "Date": "2026-08-30 07:46:59 UTC",
    "User": "root"
  },
  "_user": "ropensci",
  "_type": "src",
  "_file": "fastMatMR_1.2.7.tar.gz",
  "_fileid": "https://r2.ropensci.org/680c1111d4c38ebdd3cb9a7fa1856b5684357b0cef8daa7dcafe56fc3768761b",
  "_filesize": 940332,
  "_sha256": "680c1111d4c38ebdd3cb9a7fa1856b5684357b0cef8daa7dcafe56fc3768761b",
  "_expires": "2026-12-08T08:15:05.000Z",
  "_created": "2026-08-30T07:46:59.000Z",
  "_published": "2026-08-30T08:15:07.548Z",
  "_jobs": [
    {
      "job": 99226302417,
      "time": 121,
      "config": "linux-devel-arm64",
      "r": "4.7.0",
      "check": "NOTE",
      "artifact": "9728644083"
    },
    {
      "job": 99226302343,
      "time": 148,
      "config": "linux-devel-x86_64",
      "r": "4.7.0",
      "check": "NOTE",
      "artifact": "9728649153"
    },
    {
      "job": 99226302321,
      "time": 158,
      "config": "linux-release-arm64",
      "r": "4.6.1",
      "check": "NOTE",
      "artifact": "9728651515"
    },
    {
      "job": 99226302334,
      "time": 137,
      "config": "linux-release-x86_64",
      "r": "4.6.1",
      "check": "NOTE",
      "artifact": "9728646964"
    },
    {
      "job": 99226302342,
      "time": 114,
      "config": "macos-oldrel-arm64",
      "r": "4.5.3",
      "check": "NOTE",
      "artifact": "9728955366"
    },
    {
      "job": 99226302362,
      "time": 201,
      "config": "macos-oldrel-x86_64",
      "r": "4.5.3",
      "check": "NOTE",
      "artifact": "9728673137"
    },
    {
      "job": 99226302347,
      "time": 99,
      "config": "macos-release-arm64",
      "r": "4.6.1",
      "check": "NOTE",
      "artifact": "9728953438"
    },
    {
      "job": 99226302335,
      "time": 240,
      "config": "macos-release-x86_64",
      "r": "4.6.1",
      "check": "NOTE",
      "artifact": "9728676671"
    },
    {
      "job": 99225761699,
      "time": 154,
      "config": "pkgdown",
      "r": "4.6.0",
      "check": "OK",
      "artifact": "9728586648"
    },
    {
      "job": 99225761684,
      "time": 298,
      "config": "source",
      "r": "4.6.1",
      "check": "OK",
      "artifact": "9728617102"
    },
    {
      "job": 99226302404,
      "time": 117,
      "config": "wasm-release",
      "r": "4.6.0",
      "check": "OK",
      "artifact": "9728642782"
    },
    {
      "job": 99226302353,
      "time": 226,
      "config": "windows-devel-arm64",
      "r": "4.7.0",
      "check": "NOTE",
      "artifact": "9728665777"
    },
    {
      "job": 99226302442,
      "time": 152,
      "config": "windows-devel-x86_64",
      "r": "4.7.0",
      "check": "NOTE",
      "artifact": "9728650075"
    },
    {
      "job": 99226302369,
      "time": 85,
      "config": "windows-oldrel-x86_64",
      "r": "4.5.3",
      "check": "NOTE",
      "artifact": "9728635924"
    },
    {
      "job": 99226302358,
      "time": 178,
      "config": "windows-release-arm64",
      "r": "4.6.1",
      "check": "NOTE",
      "artifact": "9728655732"
    },
    {
      "job": 99226302475,
      "time": 112,
      "config": "windows-release-x86_64",
      "r": "4.6.1",
      "check": "NOTE",
      "artifact": "9728641507"
    }
  ],
  "_host": "GitHub-Actions",
  "_buildurl": "https://github.com/r-universe/ropensci/actions/runs/33299825095",
  "_status": "success",
  "_upstream": "https://github.com/ropensci/fastMatMR",
  "_commit": {
    "id": "d89ff0a82e7a66015144756865800f4dc48f1f02",
    "author": "Rohit Goswami <rgoswami@ieee.org>",
    "committer": "Rohit Goswami <rgoswami@ieee.org>",
    "message": "MAINT: Fix CRAN incoming notes for 1.2.7\n\nRemove dead hexb.in URL from README, quote rOpenSci in DESCRIPTION\nto suppress spell-check NOTE, bump version to 1.2.7.\n",
    "time": 1772383213
  },
  "_maintainer": {
    "name": "Rohit Goswami",
    "email": "rgoswami@ieee.org",
    "login": "haozeke",
    "mastodon": "@rgoswami@mathstodon.xyz",
    "bluesky": "@rgoswami.me",
    "orcid": "0000-0002-2393-8056",
    "twitter": "@rg0swami",
    "description": "",
    "uuid": 4336207
  },
  "_distro": "resolute",
  "_registered": true,
  "_dependencies": [
    {
      "package": "cpp11",
      "version": ">= 0.5.0",
      "role": "LinkingTo"
    },
    {
      "package": "ggplot2",
      "role": "Suggests"
    },
    {
      "package": "knitr",
      "role": "Suggests"
    },
    {
      "package": "Matrix",
      "role": "Suggests"
    },
    {
      "package": "methods",
      "role": "Suggests"
    },
    {
      "package": "microbenchmark",
      "role": "Suggests"
    },
    {
      "package": "rmarkdown",
      "role": "Suggests"
    },
    {
      "package": "spam",
      "role": "Suggests"
    },
    {
      "package": "SparseM",
      "role": "Suggests"
    },
    {
      "package": "testthat",
      "version": ">= 3.0.0",
      "role": "Suggests"
    }
  ],
  "_owner": "ropensci",
  "_selfowned": true,
  "_usedby": 0,
  "_updates": [
    {
      "week": "2026-09",
      "n": 11
    }
  ],
  "_tags": [],
  "_topics": [
    "cpp17",
    "matrix-market",
    "matrix-market-format",
    "r-cpp11",
    "cpp"
  ],
  "_stars": 5,
  "_contributors": [
    {
      "user": "haozeke",
      "count": 217,
      "uuid": 4336207
    },
    {
      "user": "czeildi",
      "count": 1,
      "uuid": 9638790
    }
  ],
  "_userbio": {
    "uuid": 1200269,
    "type": "organization",
    "name": "rOpenSci",
    "followers": 1145,
    "description": "Tools and R Packages for Open Science"
  },
  "_downloads": {
    "count": 172,
    "source": "https://cranlogs.r-pkg.org/downloads/total/last-month/fastMatMR"
  },
  "_devurl": "https://github.com/ropensci/fastmatmr",
  "_pkgdown": "https://docs.ropensci.org/fastMatMR",
  "_searchresults": 0,
  "_metadata": {
    "review": {
      "id": 606,
      "status": "reviewed",
      "version": "1.0.0.0",
      "organization": "rOpenSci Software Review",
      "url": "https://github.com/ropensci/software-review/issues/606"
    },
    "ropensci_category": "data-extraction"
  },
  "_rbuild": "4.6.1",
  "_assets": [
    "extra/citation.cff",
    "extra/citation.html",
    "extra/citation.json",
    "extra/citation.txt",
    "extra/contents.json",
    "extra/fastMatMR.html",
    "extra/manual.pdf",
    "extra/NEWS.html",
    "extra/NEWS.txt",
    "extra/readme.html",
    "extra/readme.md",
    "LICENSE",
    "manual.pdf"
  ],
  "_homeurl": "https://github.com/ropensci/fastmatmr",
  "_realowner": "ropensci",
  "_cranurl": true,
  "_releases": [
    {
      "version": "1.2.4",
      "date": "2023-11-02"
    },
    {
      "version": "1.2.5",
      "date": "2023-11-04"
    },
    {
      "version": "1.2.7",
      "date": "2026-03-02"
    },
    {
      "version": "1.2.8",
      "date": "2026-03-02"
    }
  ],
  "_exports": [
    "fmm_to_mat",
    "fmm_to_spam",
    "fmm_to_sparse_Matrix",
    "fmm_to_SparseM",
    "fmm_to_vec",
    "intmat_to_fmm",
    "intvec_to_fmm",
    "mat_to_fmm",
    "spam_to_fmm",
    "sparse_Matrix_to_fmm",
    "SparseM_to_fmm",
    "vec_to_fmm",
    "write_fmm"
  ],
  "_help": [
    {
      "page": "fmm_to_mat",
      "title": "Convert Matrix Market File to Matrix",
      "topics": [
        "fmm_to_mat"
      ]
    },
    {
      "page": "fmm_to_spam",
      "title": "Convert Matrix Market File to spam Sparse Matrix",
      "topics": [
        "fmm_to_spam"
      ]
    },
    {
      "page": "fmm_to_sparse_Matrix",
      "title": "Convert Matrix Market File to Sparse Matrix",
      "topics": [
        "fmm_to_sparse_Matrix"
      ]
    },
    {
      "page": "fmm_to_SparseM",
      "title": "Convert Matrix Market File to SparseM matrix.csr",
      "topics": [
        "fmm_to_SparseM"
      ]
    },
    {
      "page": "fmm_to_vec",
      "title": "Convert Matrix Market File to Numeric Vector",
      "topics": [
        "fmm_to_vec"
      ]
    },
    {
      "page": "intmat_to_fmm",
      "title": "Convert a Numeric Matrix to Matrix Market Format",
      "topics": [
        "intmat_to_fmm"
      ]
    },
    {
      "page": "intvec_to_fmm",
      "title": "Convert a numeric integer vector to Matrix Market Format",
      "topics": [
        "intvec_to_fmm"
      ]
    },
    {
      "page": "mat_to_fmm",
      "title": "Convert a Numeric Matrix to Matrix Market Format",
      "topics": [
        "mat_to_fmm"
      ]
    },
    {
      "page": "spam_to_fmm",
      "title": "Convert a spam Sparse Matrix to Matrix Market Format",
      "topics": [
        "spam_to_fmm"
      ]
    },
    {
      "page": "sparse_Matrix_to_fmm",
      "title": "Convert a Sparse Numeric Matrix to Matrix Market Format",
      "topics": [
        "sparse_Matrix_to_fmm"
      ]
    },
    {
      "page": "SparseM_to_fmm",
      "title": "Convert a SparseM matrix.csr to Matrix Market Format",
      "topics": [
        "SparseM_to_fmm"
      ]
    },
    {
      "page": "vec_to_fmm",
      "title": "Convert a Numeric Vector to Matrix Market Format",
      "topics": [
        "vec_to_fmm"
      ]
    },
    {
      "page": "write_fmm",
      "title": "Convert Various Numeric Types to Matrix Market Format",
      "topics": [
        "write_fmm"
      ]
    }
  ],
  "_pkglogo": "https://github.com/ropensci/fastMatMR/raw/main/man/figures/logo.png",
  "_readme": "https://github.com/ropensci/fastMatMR/raw/main/README.md",
  "_rundeps": [
    "cpp11"
  ],
  "_sysdeps": [
    {
      "shlib": "libstdc++",
      "package": "libstdc++6",
      "source": "gcc",
      "version": "16-20260322-1ubuntu1",
      "name": "c++",
      "homepage": "http://gcc.gnu.org/",
      "description": "GNU Standard C++ Library v3"
    }
  ],
  "_vignettes": [
    {
      "source": "fmm_read_bench.Rmd",
      "filename": "fmm_read_bench.html",
      "title": "Benchmarking Sparse Matrix Market Read Operations",
      "author": "Rohit Goswami",
      "engine": "knitr::rmarkdown",
      "headings": [
        "Introduction",
        "Loading Packages",
        "Benchmarking with Fixed Sparsity",
        "Benchmarking with Varying Sparsity",
        "Conclusions",
        "Session Info"
      ],
      "created": "2023-09-02 02:12:14",
      "modified": "2023-11-03 15:18:07",
      "commits": 5
    },
    {
      "source": "fmm_write_bench.Rmd",
      "filename": "fmm_write_bench.html",
      "title": "Benchmarking Sparse Matrix Market Write Operations",
      "author": "Rohit Goswami",
      "engine": "knitr::rmarkdown",
      "headings": [
        "Introduction",
        "Loading Packages",
        "Benchmarking with Fixed Sparsity",
        "Benchmarking with Varying Sparsity",
        "Conclusions",
        "Session Info"
      ],
      "created": "2023-08-31 07:23:45",
      "modified": "2023-11-03 15:18:07",
      "commits": 7
    },
    {
      "source": "fastMatMR.Rmd",
      "filename": "fastMatMR.html",
      "title": "Getting Started",
      "author": "Rohit Goswami",
      "engine": "knitr::rmarkdown",
      "headings": [
        "Introduction",
        "Unique Features",
        "Installation",
        "Basic Usage",
        "Writing Matrix Market files",
        "With Dense Vectors",
        "With Dense Matrices",
        "With Sparse Matrices",
        "Reading Matrix Market files",
        "Addenum",
        "Alternatives",
        "Reading Back In Python"
      ],
      "created": "2023-10-24 00:13:10",
      "modified": "2023-11-03 14:59:38",
      "commits": 6
    }
  ],
  "_score": 4.8750612633917,
  "_indexed": true,
  "_nocasepkg": "fastmatmr",
  "_universes": [
    "ropensci",
    "haozeke"
  ],
  "_binaries": [
    {
      "r": "4.7.0",
      "os": "linux",
      "version": "1.2.7",
      "date": "2026-08-30T07:49:10.000Z",
      "distro": "resolute",
      "arch": "aarch64",
      "commit": "d89ff0a82e7a66015144756865800f4dc48f1f02",
      "fileid": "https://r2.ropensci.org/9a702472b918a67f60dd1c73bcd04b1bb03fd03bc3a2962de599315fb933ff07",
      "status": "success",
      "check": "NOTE",
      "buildurl": "https://github.com/r-universe/ropensci/actions/runs/33299825095"
    },
    {
      "r": "4.7.0",
      "os": "linux",
      "version": "1.2.7",
      "date": "2026-08-30T07:49:29.000Z",
      "distro": "resolute",
      "arch": "x86_64",
      "commit": "d89ff0a82e7a66015144756865800f4dc48f1f02",
      "fileid": "https://r2.ropensci.org/f2ef1e71392e31c5c16c102b40ded82f18246d648db39b18b9d4607e5897547f",
      "status": "success",
      "check": "NOTE",
      "buildurl": "https://github.com/r-universe/ropensci/actions/runs/33299825095"
    },
    {
      "r": "4.6.1",
      "os": "linux",
      "version": "1.2.7",
      "date": "2026-08-30T07:49:45.000Z",
      "distro": "resolute",
      "arch": "aarch64",
      "commit": "d89ff0a82e7a66015144756865800f4dc48f1f02",
      "fileid": "https://r2.ropensci.org/56fd2064ca8e2dfadce94e7d3b7412903d4df369ad8ea642288a4145d14d6a42",
      "status": "success",
      "check": "NOTE",
      "buildurl": "https://github.com/r-universe/ropensci/actions/runs/33299825095"
    },
    {
      "r": "4.6.1",
      "os": "linux",
      "version": "1.2.7",
      "date": "2026-08-30T07:49:21.000Z",
      "distro": "resolute",
      "arch": "x86_64",
      "commit": "d89ff0a82e7a66015144756865800f4dc48f1f02",
      "fileid": "https://r2.ropensci.org/dbf2454bf4ccc158da0f8221003801fed90a419506061ab3764c8711eccdb0d2",
      "status": "success",
      "check": "NOTE",
      "buildurl": "https://github.com/r-universe/ropensci/actions/runs/33299825095"
    },
    {
      "r": "4.5.3",
      "os": "mac",
      "version": "1.2.7",
      "date": "2026-08-30T08:14:07.000Z",
      "arch": "aarch64",
      "commit": "d89ff0a82e7a66015144756865800f4dc48f1f02",
      "fileid": "https://r2.ropensci.org/5266ef093fbd09ed22044248fdb81fcc9a59e572c90be38c81f6cb622a6ea5d3",
      "status": "success",
      "check": "NOTE",
      "buildurl": "https://github.com/r-universe/ropensci/actions/runs/33299825095"
    },
    {
      "r": "4.5.3",
      "os": "mac",
      "version": "1.2.7",
      "date": "2026-08-30T07:51:05.000Z",
      "arch": "x86_64",
      "commit": "d89ff0a82e7a66015144756865800f4dc48f1f02",
      "fileid": "https://r2.ropensci.org/51788925a90486c412a97ee6c51545ab7c81fb8887a216c893a56aeae120cc8d",
      "status": "success",
      "check": "NOTE",
      "buildurl": "https://github.com/r-universe/ropensci/actions/runs/33299825095"
    },
    {
      "r": "4.6.1",
      "os": "mac",
      "version": "1.2.7",
      "date": "2026-08-30T08:14:00.000Z",
      "arch": "aarch64",
      "commit": "d89ff0a82e7a66015144756865800f4dc48f1f02",
      "fileid": "https://r2.ropensci.org/b009bd0d37db43350883e9ff4a5c782ff020cf559251720f8ced63ce71923bfe",
      "status": "success",
      "check": "NOTE",
      "buildurl": "https://github.com/r-universe/ropensci/actions/runs/33299825095"
    },
    {
      "r": "4.6.1",
      "os": "mac",
      "version": "1.2.7",
      "date": "2026-08-30T07:51:28.000Z",
      "arch": "x86_64",
      "commit": "d89ff0a82e7a66015144756865800f4dc48f1f02",
      "fileid": "https://r2.ropensci.org/792147b5fc5f3a1600fe8998fe5c2e6d7248cdd0adda9aef561626a49fb443bc",
      "status": "success",
      "check": "NOTE",
      "buildurl": "https://github.com/r-universe/ropensci/actions/runs/33299825095"
    },
    {
      "r": "4.6.0",
      "os": "wasm",
      "version": "1.2.7",
      "date": "2026-08-30T07:49:18.000Z",
      "arch": "emscripten",
      "commit": "d89ff0a82e7a66015144756865800f4dc48f1f02",
      "fileid": "https://r2.ropensci.org/64c46a8f0c467e45195db4ff3862d31b667cec9e963bffc4cf27ca3640eb4327",
      "status": "success",
      "buildurl": "https://github.com/r-universe/ropensci/actions/runs/33299825095"
    },
    {
      "r": "4.7.0",
      "os": "win",
      "version": "1.2.7",
      "date": "2026-08-30T07:50:37.000Z",
      "arch": "aarch64",
      "commit": "d89ff0a82e7a66015144756865800f4dc48f1f02",
      "fileid": "https://r2.ropensci.org/bdec71f33f331310093ed2904a7b649b3f9ce16fd6322a4768f17b262e6c13fa",
      "status": "success",
      "check": "NOTE",
      "buildurl": "https://github.com/r-universe/ropensci/actions/runs/33299825095"
    },
    {
      "r": "4.7.0",
      "os": "win",
      "version": "1.2.7",
      "date": "2026-08-30T07:48:27.000Z",
      "arch": "x86_64",
      "commit": "d89ff0a82e7a66015144756865800f4dc48f1f02",
      "fileid": "https://r2.ropensci.org/5892b91f0508d0d7b65e9a3d25f80e1398fc3c120c7d2bbc63b822f2adc65a18",
      "status": "success",
      "check": "NOTE",
      "buildurl": "https://github.com/r-universe/ropensci/actions/runs/33299825095"
    },
    {
      "r": "4.5.3",
      "os": "win",
      "version": "1.2.7",
      "date": "2026-08-30T07:48:08.000Z",
      "arch": "x86_64",
      "commit": "d89ff0a82e7a66015144756865800f4dc48f1f02",
      "fileid": "https://r2.ropensci.org/91eaeea4e27789a480a0fa59f30b80afbe352a7e26ef8f086008e6728ed6d9f4",
      "status": "success",
      "check": "NOTE",
      "buildurl": "https://github.com/r-universe/ropensci/actions/runs/33299825095"
    },
    {
      "r": "4.6.1",
      "os": "win",
      "version": "1.2.7",
      "date": "2026-08-30T07:49:53.000Z",
      "arch": "aarch64",
      "commit": "d89ff0a82e7a66015144756865800f4dc48f1f02",
      "fileid": "https://r2.ropensci.org/31ed2f50cd16892f70eeec75599a1ce348de2b21f4ab6a40766e77d3d7d5450c",
      "status": "success",
      "check": "NOTE",
      "buildurl": "https://github.com/r-universe/ropensci/actions/runs/33299825095"
    },
    {
      "r": "4.6.1",
      "os": "win",
      "version": "1.2.7",
      "date": "2026-08-30T07:48:20.000Z",
      "arch": "x86_64",
      "commit": "d89ff0a82e7a66015144756865800f4dc48f1f02",
      "fileid": "https://r2.ropensci.org/5c39eb4370bf90d997ea8c2a5752e27ff189cd5ff405ea201a7314743895f34c",
      "status": "success",
      "check": "NOTE",
      "buildurl": "https://github.com/r-universe/ropensci/actions/runs/33299825095"
    }
  ]
}