{
  "_id": "6a4c96a607c3fd5c3260e1cd",
  "Package": "npmr",
  "Type": "Package",
  "Title": "Nuclear Penalized Multinomial Regression",
  "Version": "1.3.1",
  "Date": "2023-11-11",
  "Author": "Scott Powers, Trevor Hastie, Robert Tibshirani",
  "Maintainer": "Scott Powers <saberpowers@gmail.com>",
  "Description": "Fit multinomial logistic regression with a penalty on the\nnuclear norm of the estimated regression coefficient matrix,\nusing proximal gradient descent.",
  "License": "GPL-2",
  "NeedsCompilation": "no",
  "Packaged": {
    "Date": "2026-07-07 06:00:36 UTC",
    "User": "root"
  },
  "Repository": "https://saberpowers.r-universe.dev",
  "Date/Publication": "2023-11-11 18:30:18 UTC",
  "RemoteUrl": "https://github.com/cran/npmr",
  "RemoteRef": "HEAD",
  "RemoteSha": "d4f7f5741f2724ad0723bfbf79a1f1cafd80b6e2",
  "_user": "saberpowers",
  "_type": "src",
  "_file": "npmr_1.3.1.tar.gz",
  "_fileid": "https://r2.ropensci.org/2ae440455b4382c03374cc654abf59e27e99fdac376b1cea5cef559c7a3b0c4a",
  "_filesize": 181352,
  "_sha256": "2ae440455b4382c03374cc654abf59e27e99fdac376b1cea5cef559c7a3b0c4a",
  "_expires": "2026-10-15T06:03:17.000Z",
  "_created": "2026-07-07T06:00:36.000Z",
  "_published": "2026-07-07T06:03:18.714Z",
  "_jobs": [
    {
      "job": 85547162539,
      "time": 116,
      "config": "linux-devel-x86_64",
      "r": "4.7.0",
      "check": "OK",
      "artifact": "8129277103"
    },
    {
      "job": 85547162522,
      "time": 128,
      "config": "linux-release-x86_64",
      "r": "4.6.1",
      "check": "OK",
      "artifact": "8129280004"
    },
    {
      "job": 85547162503,
      "time": 116,
      "config": "macos-oldrel-arm64",
      "r": "4.5.3",
      "check": "OK",
      "artifact": "8129277140"
    },
    {
      "job": 85547162507,
      "time": 98,
      "config": "macos-release-arm64",
      "r": "4.6.1",
      "check": "OK",
      "artifact": "8129272547"
    },
    {
      "job": 85546795069,
      "time": 162,
      "config": "source",
      "r": "4.6.1",
      "check": "OK",
      "artifact": "8129245625"
    },
    {
      "job": 85547162535,
      "time": 98,
      "config": "wasm-release",
      "r": "4.6.0",
      "check": "OK",
      "artifact": "8129272487"
    },
    {
      "job": 85547162518,
      "time": 92,
      "config": "windows-devel",
      "r": "4.7.0",
      "check": "OK",
      "artifact": "8129271180"
    },
    {
      "job": 85547162545,
      "time": 84,
      "config": "windows-oldrel",
      "r": "4.5.3",
      "check": "OK",
      "artifact": "8129268701"
    },
    {
      "job": 85547162519,
      "time": 88,
      "config": "windows-release",
      "r": "4.6.1",
      "check": "OK",
      "artifact": "8129270099"
    }
  ],
  "_host": "GitHub-Actions",
  "_buildurl": "https://github.com/r-universe/saberpowers/actions/runs/28844997680",
  "_status": "success",
  "_upstream": "https://github.com/cran/npmr",
  "_commit": {
    "id": "d4f7f5741f2724ad0723bfbf79a1f1cafd80b6e2",
    "author": "Scott Powers <saberpowers@gmail.com>",
    "committer": "cran-robot <csardi.gabor+cran@gmail.com>",
    "message": "version 1.3.1\n",
    "time": 1699727418
  },
  "_maintainer": {
    "name": "Scott Powers",
    "email": "saberpowers@gmail.com",
    "login": "saberpowers",
    "description": "",
    "uuid": 20248701
  },
  "_distro": "resolute",
  "_registered": true,
  "_dependencies": [
    {
      "package": "Matrix",
      "role": "Imports"
    }
  ],
  "_owner": "cran",
  "_selfowned": true,
  "_usedby": 0,
  "_updates": [],
  "_tags": [],
  "_stars": 0,
  "_contributors": [
    {
      "user": "saberpowers",
      "count": 3,
      "uuid": 20248701
    },
    {
      "user": "sspowers",
      "count": 2,
      "uuid": 10972656
    }
  ],
  "_userbio": {
    "uuid": 20248701,
    "type": "user",
    "name": "Scott Powers",
    "followers": 54
  },
  "_downloads": {
    "count": 245,
    "source": "https://cranlogs.r-pkg.org/downloads/total/last-month/npmr"
  },
  "_searchresults": 13,
  "_rbuild": "4.6.1",
  "_assets": [
    "extra/citation.cff",
    "extra/citation.html",
    "extra/citation.json",
    "extra/citation.txt",
    "extra/contents.json",
    "extra/npmr.html",
    "manual.pdf"
  ],
  "_realowner": "saberpowers",
  "_cranurl": false,
  "_releases": [
    {
      "version": "1.0",
      "date": "2016-02-10"
    },
    {
      "version": "1.1",
      "date": "2016-08-03"
    },
    {
      "version": "1.2",
      "date": "2019-02-02"
    },
    {
      "version": "1.3",
      "date": "2023-10-08"
    },
    {
      "version": "1.3.1",
      "date": "2023-11-11"
    }
  ],
  "_exports": [
    "cv.npmr",
    "logL",
    "npmr",
    "nuclear",
    "objective",
    "objectiveFast",
    "PGDnpmr",
    "plot.cv.npmr",
    "plot.npmr",
    "predict.cv.npmr",
    "predict.npmr",
    "print.cv.npmr",
    "print.npmr",
    "prox"
  ],
  "_datasets": [
    {
      "name": "Vowel",
      "title": "Vowel Recognition",
      "object": "Vowel",
      "file": "Vowel.rda",
      "class": [
        "data.frame"
      ],
      "fields": [
        "y",
        "subset",
        "x.1",
        "x.2",
        "x.3",
        "x.4",
        "x.5",
        "x.6",
        "x.7",
        "x.8",
        "x.9",
        "x.10"
      ],
      "rows": 990,
      "table": true,
      "tojson": true
    }
  ],
  "_help": [
    {
      "page": "npmr-package",
      "title": "Nuclear penalized multinomial regression",
      "topics": [
        "npmr-package"
      ]
    },
    {
      "page": "cv.npmr",
      "title": "Cross-validated nuclear penalized multinomial regression",
      "topics": [
        "cv.npmr"
      ]
    },
    {
      "page": "logL",
      "title": "Log-likelihood for multinomial regression model",
      "topics": [
        "logL"
      ]
    },
    {
      "page": "npmr",
      "title": "Nuclear penalized multinomial regression",
      "topics": [
        "npmr"
      ]
    },
    {
      "page": "nuclear",
      "title": "Nuclear norm of a matrix",
      "topics": [
        "nuclear"
      ]
    },
    {
      "page": "objective",
      "title": "NPMR objective function",
      "topics": [
        "objective"
      ]
    },
    {
      "page": "objectiveFast",
      "title": "Shortcut computation for NPMR objective function",
      "topics": [
        "objectiveFast"
      ]
    },
    {
      "page": "PGDnpmr",
      "title": "Proximal gradient descent for nuclear penalized multinomial regression",
      "topics": [
        "PGDnpmr"
      ]
    },
    {
      "page": "plot.cv.npmr",
      "title": "Visualize the regression coefficient matrix fit by cross-validated NPMR",
      "topics": [
        "plot.cv.npmr"
      ]
    },
    {
      "page": "plot.npmr",
      "title": "Visualize the regression coefficient matrix fit by cross-validated NPMR",
      "topics": [
        "plot.npmr"
      ]
    },
    {
      "page": "predict.cv.npmr",
      "title": "Make predictions from a ``cv.npmr'' object",
      "topics": [
        "predict.cv.npmr"
      ]
    },
    {
      "page": "predict.npmr",
      "title": "Make predictions from a ``npmr'' object",
      "topics": [
        "predict.npmr"
      ]
    },
    {
      "page": "print.cv.npmr",
      "title": "summarize a \"cv.npmr\" object",
      "topics": [
        "print.cv.npmr"
      ]
    },
    {
      "page": "print.npmr",
      "title": "Summarize a \"npmr\" object",
      "topics": [
        "print.npmr"
      ]
    },
    {
      "page": "prox",
      "title": "Proximal operator for nuclear norm",
      "topics": [
        "prox"
      ]
    },
    {
      "page": "Vowel",
      "title": "Vowel Recognition",
      "topics": [
        "Vowel"
      ]
    }
  ],
  "_rundeps": [
    "lattice",
    "Matrix"
  ],
  "_score": 1.1139433523068367,
  "_indexed": true,
  "_nocasepkg": "npmr",
  "_universes": [
    "saberpowers"
  ],
  "_binaries": [
    {
      "r": "4.7.0",
      "os": "linux",
      "version": "1.3.1",
      "date": "2026-07-07T06:02:24.000Z",
      "distro": "resolute",
      "commit": "d4f7f5741f2724ad0723bfbf79a1f1cafd80b6e2",
      "fileid": "https://r2.ropensci.org/51f44d4a275a33835e862023980514b38c86be9f10a868ad43837a3645d32413",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/saberpowers/actions/runs/28844997680"
    },
    {
      "r": "4.6.1",
      "os": "linux",
      "version": "1.3.1",
      "date": "2026-07-07T06:02:34.000Z",
      "distro": "resolute",
      "commit": "d4f7f5741f2724ad0723bfbf79a1f1cafd80b6e2",
      "fileid": "https://r2.ropensci.org/16a45983fde4f4c8dc1cf4d0faec2141c83d65ecdb2d70927ab46cd1b110f261",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/saberpowers/actions/runs/28844997680"
    },
    {
      "r": "4.5.3",
      "os": "mac",
      "version": "1.3.1",
      "date": "2026-07-07T06:02:28.000Z",
      "commit": "d4f7f5741f2724ad0723bfbf79a1f1cafd80b6e2",
      "fileid": "https://r2.ropensci.org/3505a63d574bd1b2b7e4b69307d079c63942b765f192f8c651560352ce9da238",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/saberpowers/actions/runs/28844997680"
    },
    {
      "r": "4.6.1",
      "os": "mac",
      "version": "1.3.1",
      "date": "2026-07-07T06:02:11.000Z",
      "commit": "d4f7f5741f2724ad0723bfbf79a1f1cafd80b6e2",
      "fileid": "https://r2.ropensci.org/ffd56b2971c6fd3779e91bde037257a1fb256baa7d6e41e5709a25411c10779d",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/saberpowers/actions/runs/28844997680"
    },
    {
      "r": "4.6.0",
      "os": "wasm",
      "version": "1.3.1",
      "date": "2026-07-07T06:02:30.000Z",
      "commit": "d4f7f5741f2724ad0723bfbf79a1f1cafd80b6e2",
      "fileid": "https://r2.ropensci.org/73983f4af8fda20a29b929f6046791f5117b5c0146886e10833ffd6195073921",
      "status": "success",
      "buildurl": "https://github.com/r-universe/saberpowers/actions/runs/28844997680"
    },
    {
      "r": "4.7.0",
      "os": "win",
      "version": "1.3.1",
      "date": "2026-07-07T06:01:48.000Z",
      "commit": "d4f7f5741f2724ad0723bfbf79a1f1cafd80b6e2",
      "fileid": "https://r2.ropensci.org/fdf479048a9bd19bec268aec55b3d70b9e0554e97c1da1e863cf8275d005946c",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/saberpowers/actions/runs/28844997680"
    },
    {
      "r": "4.5.3",
      "os": "win",
      "version": "1.3.1",
      "date": "2026-07-07T06:01:43.000Z",
      "commit": "d4f7f5741f2724ad0723bfbf79a1f1cafd80b6e2",
      "fileid": "https://r2.ropensci.org/89f92725f3b6cc0296c0c281c60d763a925afa7ff2fc630d2ad4ed8e93fb2015",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/saberpowers/actions/runs/28844997680"
    },
    {
      "r": "4.6.1",
      "os": "win",
      "version": "1.3.1",
      "date": "2026-07-07T06:01:48.000Z",
      "commit": "d4f7f5741f2724ad0723bfbf79a1f1cafd80b6e2",
      "fileid": "https://r2.ropensci.org/f3606bec18ccc9345392a44aee7291d639603b8a2e93cef5ce60da3013eafdd0",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/saberpowers/actions/runs/28844997680"
    }
  ]
}