{
  "_id": "6a1f08d1b401979e7341c1d7",
  "Package": "lfda",
  "Type": "Package",
  "Title": "Local Fisher Discriminant Analysis",
  "Version": "1.1.3",
  "Date": "2019-07-31",
  "Authors@R": "c(\nperson(\"Yuan\", \"Tang\", role = c(\"aut\", \"cre\"),\nemail = \"terrytangyuan@gmail.com\",\ncomment = c(ORCID = \"0000-0001-5243-233X\")),\nperson(\"Wenxuan\", \"Li\", role = c(\"ctb\")),\nperson(\"Nan\", \"Xiao\", role = c(\"ctb\", \"cph\")),\nperson(\"Zachary\", \"Deane-Mayer\", role = c(\"ctb\")))",
  "URL": "https://github.com/terrytangyuan/lfda",
  "BugReports": "https://github.com/terrytangyuan/lfda/issues",
  "Maintainer": "Yuan Tang <terrytangyuan@gmail.com>",
  "License": "MIT + file LICENSE",
  "Description": "Functions for performing and visualizing Local Fisher\nDiscriminant Analysis(LFDA), Kernel Fisher Discriminant\nAnalysis(KLFDA), and Semi-supervised Local Fisher Discriminant\nAnalysis(SELF).",
  "RoxygenNote": "6.1.0",
  "Repository": "https://terrytangyuan.r-universe.dev",
  "Date/Publication": "2023-07-07 16:53:11 UTC",
  "RemoteUrl": "https://github.com/terrytangyuan/lfda",
  "RemoteRef": "HEAD",
  "RemoteSha": "91ce92e4704e68aec8f93c77c7ec0979e665e298",
  "NeedsCompilation": "no",
  "Packaged": {
    "Date": "2026-05-18 06:18:28 UTC",
    "User": "root"
  },
  "Author": "Yuan Tang [aut, cre] (ORCID: <https://orcid.org/0000-0001-5243-233X>),\nWenxuan Li [ctb],\nNan Xiao [ctb, cph],\nZachary Deane-Mayer [ctb]",
  "MD5sum": "3a43f52974d4f2c4017332a5f840fa79",
  "_user": "terrytangyuan",
  "_type": "src",
  "_file": "lfda_1.1.3.tar.gz",
  "_fileid": "cbd8ae046047db73bd5aa913d6c90ee72d05766299d753e8d82468db52629797",
  "_filesize": 133375,
  "_sha256": "cbd8ae046047db73bd5aa913d6c90ee72d05766299d753e8d82468db52629797",
  "_created": "2026-05-18T06:18:28.000Z",
  "_published": "2026-06-02T16:46:09.920Z",
  "_distro": "noble",
  "_jobs": [
    {
      "job": 79124019820,
      "time": 116,
      "config": "linux-devel-x86_64",
      "r": "4.7.0",
      "check": "OK",
      "artifact": "7050784670"
    },
    {
      "job": 79124019736,
      "time": 132,
      "config": "linux-release-x86_64",
      "r": "4.6.0",
      "check": "OK",
      "artifact": "7050788273"
    },
    {
      "job": 79124019590,
      "time": 167,
      "config": "macos-oldrel-arm64",
      "r": "4.5.3",
      "check": "OK",
      "artifact": "7050789221"
    },
    {
      "job": 79124019533,
      "time": 156,
      "config": "macos-release-arm64",
      "r": "4.6.0",
      "check": "OK",
      "artifact": "7050788650"
    },
    {
      "job": 79124018626,
      "time": 174,
      "config": "source",
      "r": "4.6.0",
      "check": "OK",
      "artifact": "7050757610"
    },
    {
      "job": 79124019373,
      "time": 96,
      "config": "wasm-release",
      "r": "4.6.0",
      "check": "OK",
      "artifact": "7364159605"
    },
    {
      "job": 79124019562,
      "time": 114,
      "config": "windows-devel",
      "r": "4.7.0",
      "check": "OK",
      "artifact": "7050784608"
    },
    {
      "job": 79124019858,
      "time": 83,
      "config": "windows-oldrel",
      "r": "4.5.3",
      "check": "OK",
      "artifact": "7050776997"
    },
    {
      "job": 79124020100,
      "time": 83,
      "config": "windows-release",
      "r": "4.6.0",
      "check": "OK",
      "artifact": "7050776687"
    }
  ],
  "_buildurl": "https://github.com/r-universe/terrytangyuan/actions/runs/26016843849",
  "_status": "success",
  "_host": "GitHub-Actions",
  "_upstream": "https://github.com/terrytangyuan/lfda",
  "_commit": {
    "id": "91ce92e4704e68aec8f93c77c7ec0979e665e298",
    "author": "Yuan Tang <terrytangyuan@gmail.com>",
    "committer": "GitHub <noreply@github.com>",
    "message": "Update README.md",
    "time": 1688748791
  },
  "_maintainer": {
    "name": "Yuan Tang",
    "email": "terrytangyuan@gmail.com",
    "login": "terrytangyuan",
    "mastodon": "@terrytangyuan@fosstodon.org",
    "bluesky": "@terrytangyuan.xyz",
    "linkedin": "in/terrytangyuan",
    "orcid": "0000-0001-5243-233X",
    "twitter": "@TerryTangYuan",
    "description": "Senior Principal Engineer at Red Hat | Lead @argoproj @kubeflow @kserve @cncf | Maintainer @tensorflow XGBoost | Author | Speaker | Advisor",
    "uuid": 4269898
  },
  "_registered": true,
  "_dependencies": [
    {
      "package": "R",
      "version": ">= 3.1.0",
      "role": "Depends"
    },
    {
      "package": "plyr",
      "role": "Imports"
    },
    {
      "package": "grDevices",
      "role": "Imports"
    },
    {
      "package": "rARPACK",
      "role": "Imports"
    },
    {
      "package": "testthat",
      "role": "Suggests"
    },
    {
      "package": "rgl",
      "role": "Suggests"
    }
  ],
  "_owner": "terrytangyuan",
  "_selfowned": true,
  "_usedby": 3,
  "_updates": [],
  "_tags": [],
  "_topics": [
    "dimensionality-reduction",
    "distance-metric-learning",
    "machine-learning",
    "metric-learning",
    "statistics"
  ],
  "_stars": 78,
  "_contributors": [
    {
      "user": "terrytangyuan",
      "count": 114,
      "uuid": 4269898
    },
    {
      "user": "zachmayer",
      "count": 7,
      "uuid": 581590
    }
  ],
  "_userbio": {
    "uuid": 4269898,
    "type": "user",
    "name": "Yuan Tang",
    "description": "Senior Principal Engineer at Red Hat | Lead @argoproj @kubeflow @kserve @cncf | Maintainer @tensorflow XGBoost | Author | Speaker | Advisor"
  },
  "_downloads": {
    "count": 4228,
    "source": "https://cranlogs.r-pkg.org/downloads/total/last-month/lfda"
  },
  "_mentions": 1,
  "_devurl": "https://github.com/terrytangyuan/lfda",
  "_searchresults": 77,
  "_rbuild": "4.6.0",
  "_assets": [
    "extra/citation.cff",
    "extra/citation.html",
    "extra/citation.json",
    "extra/citation.txt",
    "extra/contents.json",
    "extra/lfda.html",
    "extra/NEWS.html",
    "extra/NEWS.txt",
    "extra/readme.html",
    "extra/readme.md",
    "manual.pdf"
  ],
  "_homeurl": "https://github.com/terrytangyuan/lfda",
  "_realowner": "terrytangyuan",
  "_cranurl": true,
  "_releases": [
    {
      "version": "1.0.0",
      "date": "2015-08-13"
    },
    {
      "version": "1.1.0",
      "date": "2015-08-18"
    },
    {
      "version": "1.1.1",
      "date": "2016-02-04"
    },
    {
      "version": "1.1.2",
      "date": "2017-01-05"
    },
    {
      "version": "1.1.3",
      "date": "2019-07-31"
    }
  ],
  "_exports": [
    "%^%",
    "Cols",
    "getAffinityMatrix",
    "getMetricOfType",
    "klfda",
    "kmatrixGauss",
    "lfda",
    "repmat",
    "self"
  ],
  "_help": [
    {
      "page": "grapes-pow-grapes",
      "title": "Negative One Half Matrix Power Operator",
      "topics": [
        "%^%"
      ]
    },
    {
      "page": "Cols",
      "title": "Assigning Colors to A Vector",
      "topics": [
        "Cols"
      ]
    },
    {
      "page": "getAffinityMatrix",
      "title": "Get Affinity Matrix",
      "topics": [
        "getAffinityMatrix"
      ]
    },
    {
      "page": "getMetricOfType",
      "title": "Get Requested Type of Transforming Metric",
      "topics": [
        "getMetricOfType"
      ]
    },
    {
      "page": "klfda",
      "title": "Kernel Local Fisher Discriminant Analysis for Supervised Dimensionality Reduction",
      "topics": [
        "klfda"
      ]
    },
    {
      "page": "kmatrixGauss",
      "title": "Gaussian Kernel Computation (Particularly used in Kernel Local Fisher Discriminant Analysis)",
      "topics": [
        "kmatrixGauss"
      ]
    },
    {
      "page": "lfda",
      "title": "Local Fisher Discriminant Analysis for Supervised Dimensionality Reduction",
      "topics": [
        "lfda"
      ]
    },
    {
      "page": "plot.lfda",
      "title": "3D Visualization for LFDA/KLFDA Result",
      "topics": [
        "plot.lfda"
      ]
    },
    {
      "page": "predict.lfda",
      "title": "LFDA Transformation/Prediction on New Data",
      "topics": [
        "predict.lfda"
      ]
    },
    {
      "page": "print.lfda",
      "title": "Print an lfda object",
      "topics": [
        "print.lfda"
      ]
    },
    {
      "page": "repmat",
      "title": "Matlab-Syntaxed Repmat",
      "topics": [
        "repmat"
      ]
    },
    {
      "page": "self",
      "title": "Semi-Supervised Local Fisher Discriminant Analysis(SELF) for Semi-Supervised Dimensionality Reduction",
      "topics": [
        "self"
      ]
    }
  ],
  "_readme": "https://github.com/terrytangyuan/lfda/raw/HEAD/README.md",
  "_rundeps": [
    "lattice",
    "Matrix",
    "plyr",
    "rARPACK",
    "Rcpp",
    "RcppEigen",
    "RSpectra"
  ],
  "_score": 7.0579328202736935,
  "_indexed": true,
  "_nocasepkg": "lfda",
  "_universes": [
    "terrytangyuan"
  ],
  "_binaries": [
    {
      "r": "4.7.0",
      "os": "linux",
      "version": "1.1.3",
      "date": "2026-05-18T06:20:16.000Z",
      "distro": "noble",
      "commit": "91ce92e4704e68aec8f93c77c7ec0979e665e298",
      "fileid": "346f5272ad8ed6859b8dcf65c1ad0e8312056f990f1bda538bad607c36b9977c",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/terrytangyuan/actions/runs/26016843849"
    },
    {
      "r": "4.6.0",
      "os": "linux",
      "version": "1.1.3",
      "date": "2026-05-18T06:20:31.000Z",
      "distro": "noble",
      "commit": "91ce92e4704e68aec8f93c77c7ec0979e665e298",
      "fileid": "8fef889babe6ddf8338e256746c5194cb04bd7c3890122f08efff15ffe59dbfc",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/terrytangyuan/actions/runs/26016843849"
    },
    {
      "r": "4.5.3",
      "os": "mac",
      "version": "1.1.3",
      "date": "2026-05-18T06:20:42.000Z",
      "commit": "91ce92e4704e68aec8f93c77c7ec0979e665e298",
      "fileid": "c7339451fb089f442cf20681bc3b727dfe3742c7aa929a3d88e976504cf63a6b",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/terrytangyuan/actions/runs/26016843849"
    },
    {
      "r": "4.6.0",
      "os": "mac",
      "version": "1.1.3",
      "date": "2026-05-18T06:20:34.000Z",
      "commit": "91ce92e4704e68aec8f93c77c7ec0979e665e298",
      "fileid": "42633df51fbabceae8d5906f910b0fac121f10e9490962399f055a16fe4fc002",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/terrytangyuan/actions/runs/26016843849"
    },
    {
      "r": "4.7.0",
      "os": "win",
      "version": "1.1.3",
      "date": "2026-05-18T06:20:10.000Z",
      "commit": "91ce92e4704e68aec8f93c77c7ec0979e665e298",
      "fileid": "82b60bb9506dc1010196f3199bf6b25946b848d54b11c4f381a8de915acb3cab",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/terrytangyuan/actions/runs/26016843849"
    },
    {
      "r": "4.5.3",
      "os": "win",
      "version": "1.1.3",
      "date": "2026-05-18T06:19:41.000Z",
      "commit": "91ce92e4704e68aec8f93c77c7ec0979e665e298",
      "fileid": "fb23c171c8708c537ef7d39091bac0ea5aca74546c8fefec9f3ad753cb7da3ba",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/terrytangyuan/actions/runs/26016843849"
    },
    {
      "r": "4.6.0",
      "os": "win",
      "version": "1.1.3",
      "date": "2026-05-18T06:19:38.000Z",
      "commit": "91ce92e4704e68aec8f93c77c7ec0979e665e298",
      "fileid": "89dfe01d23abed4e11f907fb11fd1bee7eece3071c6956f44501970aa8003759",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/terrytangyuan/actions/runs/26016843849"
    },
    {
      "r": "4.6.0",
      "os": "wasm",
      "version": "1.1.3",
      "date": "2026-06-02T16:45:48.000Z",
      "commit": "91ce92e4704e68aec8f93c77c7ec0979e665e298",
      "fileid": "25edbf4e9b131be04a65cae57b7b4243742ffd836db2b71bcd23f460b1c6974c",
      "status": "success",
      "buildurl": "https://github.com/r-universe/terrytangyuan/actions/runs/26016843849"
    }
  ]
}