{
  "_id": "6a0f60ddacfb0bcc41c5bbaf",
  "Package": "ProxReg",
  "Type": "Package",
  "Title": "Linear Models for Prediction and Classification using Proximal\nOperators",
  "Version": "1.1.2",
  "Date": "2025-06-16",
  "Maintainer": "YingHong Chen <yinghongchen1402@gmail.com>",
  "Authors@R": "c(person(\"YingHong\",\"Chen\",role = c(\"aut\", \"cre\"),email = \"yinghongchen1402@gmail.com\"),\nperson(\"Ferran\",\"Reverter Comes\",role=c(\"aut\"),email = \"freverter@ub.edu\"),\nperson(\"Esteban\", \"Vegas Lozano\",role=c(\"aut\"),email=\"evegas@ub.edu\"))",
  "Description": "Implements optimization techniques for Lasso regression,\nR.Tibshirani(1996)<doi:10.1111/j.2517-6161.1996.tb02080.x>\nusing Fast Iterative Shrinkage-Thresholding Algorithm (FISTA)\nand Iterative Shrinkage-Thresholding Algorithm (ISTA) based on\nproximal operators, A.Beck(2009)<doi:10.1137/080716542>. The\npackage is useful for high-dimensional regression problems and\nincludes cross-validation procedures to select optimal penalty\nparameters.",
  "License": "MIT + file LICENSE",
  "Encoding": "UTF-8",
  "Language": "en-US",
  "RoxygenNote": "7.3.2",
  "VignetteBuilder": "knitr",
  "NeedsCompilation": "no",
  "Packaged": {
    "Date": "2026-05-21 10:51:54 UTC",
    "User": "root"
  },
  "Author": "YingHong Chen [aut, cre], Ferran Reverter Comes [aut], Esteban\nVegas Lozano [aut]",
  "Config/pak/sysreqs": "cmake libfftw3-dev make libjpeg-dev libpng-dev\nlibtiff-dev libuv1-dev",
  "Repository": "https://doufu1402.r-universe.dev",
  "Date/Publication": "2025-06-17 09:00:12 UTC",
  "RemoteUrl": "https://github.com/cran/ProxReg",
  "RemoteRef": "HEAD",
  "RemoteSha": "72f0b9ca6374be1d24fff11748b20629a8c580ef",
  "MD5sum": "53ec3bf444d8f1f9c2d4b3ad262087d9",
  "_user": "doufu1402",
  "_type": "src",
  "_file": "ProxReg_1.1.2.tar.gz",
  "_fileid": "97739c8fd0fa90134d2e5dbecf15369074f0b186a3a569bf242b3687bcb17059",
  "_filesize": 556145,
  "_sha256": "97739c8fd0fa90134d2e5dbecf15369074f0b186a3a569bf242b3687bcb17059",
  "_created": "2026-05-21T10:51:54.000Z",
  "_published": "2026-05-21T19:45:33.188Z",
  "_distro": "noble",
  "_jobs": [
    {
      "job": 77254968314,
      "time": 157,
      "config": "linux-devel-x86_64",
      "r": "4.7.0",
      "check": "OK",
      "artifact": "7133850824"
    },
    {
      "job": 77254967892,
      "time": 158,
      "config": "linux-release-x86_64",
      "r": "4.6.0",
      "check": "OK",
      "artifact": "7133850929"
    },
    {
      "job": 77254967874,
      "time": 109,
      "config": "macos-oldrel-arm64",
      "r": "4.5.3",
      "check": "OK",
      "artifact": "7134138534"
    },
    {
      "job": 77254967960,
      "time": 103,
      "config": "macos-release-arm64",
      "r": "4.6.0",
      "check": "OK",
      "artifact": "7134142602"
    },
    {
      "job": 77254967575,
      "time": 200,
      "config": "source",
      "r": "4.6.0",
      "check": "OK",
      "artifact": "7133799680"
    },
    {
      "job": 77254967453,
      "time": 115,
      "config": "wasm-release",
      "r": "4.6.0",
      "check": "OK",
      "artifact": "7145594851"
    },
    {
      "job": 77254968272,
      "time": 137,
      "config": "windows-devel",
      "r": "4.7.0",
      "check": "OK",
      "artifact": "7133844417"
    },
    {
      "job": 77254968630,
      "time": 111,
      "config": "windows-oldrel",
      "r": "4.5.3",
      "check": "OK",
      "artifact": "7133836267"
    },
    {
      "job": 77254967909,
      "time": 104,
      "config": "windows-release",
      "r": "4.6.0",
      "check": "OK",
      "artifact": "7133834072"
    }
  ],
  "_buildurl": "https://github.com/r-universe/doufu1402/actions/runs/26221347712",
  "_status": "success",
  "_host": "GitHub-Actions",
  "_upstream": "https://github.com/cran/ProxReg",
  "_commit": {
    "id": "72f0b9ca6374be1d24fff11748b20629a8c580ef",
    "author": "YingHong Chen <yinghongchen1402@gmail.com>",
    "committer": "cran-robot <csardi.gabor+cran@gmail.com>",
    "message": "version 1.1.2\n",
    "time": 1750150812
  },
  "_maintainer": {
    "name": "YingHong Chen",
    "email": "yinghongchen1402@gmail.com",
    "login": "doufu1402",
    "description": "",
    "uuid": 84340558
  },
  "_registered": true,
  "_dependencies": [
    {
      "package": "dplyr",
      "role": "Imports"
    },
    {
      "package": "EBImage",
      "role": "Imports"
    },
    {
      "package": "glmnet",
      "role": "Imports"
    },
    {
      "package": "knitr",
      "role": "Suggests"
    },
    {
      "package": "rmarkdown",
      "role": "Suggests"
    }
  ],
  "_owner": "cran",
  "_selfowned": true,
  "_usedby": 0,
  "_updates": [
    {
      "week": "2025-24",
      "n": 1
    },
    {
      "week": "2025-25",
      "n": 1
    }
  ],
  "_tags": [
    {
      "name": "1.1.1",
      "date": "2025-06-13"
    },
    {
      "name": "1.1.2",
      "date": "2025-06-17"
    }
  ],
  "_stars": 0,
  "_contributors": [
    {
      "user": "doufu1402",
      "count": 3,
      "uuid": 84340558
    }
  ],
  "_userbio": {
    "uuid": 84340558,
    "type": "user",
    "name": "Yinghong Chen"
  },
  "_downloads": {
    "count": 183,
    "source": "https://cranlogs.r-pkg.org/downloads/total/last-month/ProxReg"
  },
  "_searchresults": 2,
  "_rbuild": "4.6.0",
  "_assets": [
    "extra/citation.cff",
    "extra/citation.html",
    "extra/citation.json",
    "extra/citation.txt",
    "extra/contents.json",
    "extra/ProxReg.html",
    "manual.pdf"
  ],
  "_realowner": "doufu1402",
  "_cranurl": false,
  "_releases": [
    {
      "version": "0.1.1",
      "date": "2025-03-15"
    },
    {
      "version": "1.1.1",
      "date": "2025-06-13"
    },
    {
      "version": "1.1.2",
      "date": "2025-06-17"
    }
  ],
  "_exports": [
    "delete_rect",
    "inpainting",
    "k_fold_cross",
    "l_CV",
    "lasso_fista",
    "lasso_fista_back",
    "lasso_ista",
    "lasso_ista_back",
    "lasso_multi",
    "lasso_multi_back",
    "ols",
    "ols_KCV",
    "ridge",
    "softmax"
  ],
  "_help": [
    {
      "page": "delete_rect",
      "title": "rectangular hole in image",
      "topics": [
        "delete_rect"
      ]
    },
    {
      "page": "inpainting",
      "title": "image recovery using Lasso regression",
      "topics": [
        "inpainting"
      ]
    },
    {
      "page": "k_fold_cross",
      "title": "k_fold_cross",
      "topics": [
        "k_fold_cross"
      ]
    },
    {
      "page": "l_CV",
      "title": "K-Fold Cross validation for L1/L2 regression",
      "topics": [
        "l_CV"
      ]
    },
    {
      "page": "lasso_fista",
      "title": "Lasso regression with fixed step with FISTA algorithm",
      "topics": [
        "lasso_fista"
      ]
    },
    {
      "page": "lasso_fista_back",
      "title": "Lasso regression with backtraking line research with FISTA algorithm",
      "topics": [
        "lasso_fista_back"
      ]
    },
    {
      "page": "lasso_ista",
      "title": "Lasso regression with fixed step with ISTA algorithm",
      "topics": [
        "lasso_ista"
      ]
    },
    {
      "page": "lasso_ista_back",
      "title": "Lasso regression with backtraking line research",
      "topics": [
        "lasso_ista_back"
      ]
    },
    {
      "page": "lasso_multi",
      "title": "Lasso logistic regression for multinomial response variable with fixed step",
      "topics": [
        "lasso_multi"
      ]
    },
    {
      "page": "lasso_multi_back",
      "title": "Lasso regression with backtraking line research for multinomial response variable",
      "topics": [
        "lasso_multi_back"
      ]
    },
    {
      "page": "ols",
      "title": "Ordinary Least Square regression",
      "topics": [
        "ols"
      ]
    },
    {
      "page": "ols_KCV",
      "title": "K-Fold Cross Validation for OLS",
      "topics": [
        "ols_KCV"
      ]
    },
    {
      "page": "ridge",
      "title": "Ridge regression",
      "topics": [
        "ridge"
      ]
    },
    {
      "page": "softmax",
      "title": "Softmax function for multinomial response variable",
      "topics": [
        "softmax"
      ]
    }
  ],
  "_rundeps": [
    "abind",
    "base64enc",
    "BiocGenerics",
    "bitops",
    "bslib",
    "cachem",
    "cli",
    "codetools",
    "digest",
    "dplyr",
    "EBImage",
    "evaluate",
    "fastmap",
    "fftwtools",
    "fontawesome",
    "foreach",
    "fs",
    "generics",
    "glmnet",
    "glue",
    "highr",
    "htmltools",
    "htmlwidgets",
    "iterators",
    "jpeg",
    "jquerylib",
    "jsonlite",
    "knitr",
    "lattice",
    "lifecycle",
    "locfit",
    "magrittr",
    "Matrix",
    "memoise",
    "mime",
    "pillar",
    "pkgconfig",
    "png",
    "R6",
    "rappdirs",
    "Rcpp",
    "RcppEigen",
    "RCurl",
    "rlang",
    "rmarkdown",
    "sass",
    "shape",
    "survival",
    "tibble",
    "tidyselect",
    "tiff",
    "tinytex",
    "utf8",
    "vctrs",
    "withr",
    "xfun",
    "yaml"
  ],
  "_vignettes": [
    {
      "source": "ProxReg_vignette.Rmd",
      "filename": "ProxReg_vignette.html",
      "title": "Manual for the package: ProxReg",
      "engine": "knitr::rmarkdown",
      "headings": [
        "What you'll find",
        "Introduction",
        "Functions",
        "ols",
        "k_fold_cross",
        "ols_KCV",
        "L1 and L2 regularization",
        "ridge"
      ],
      "created": "2025-06-17 09:00:12",
      "modified": "2025-06-17 09:00:12",
      "commits": 1
    }
  ],
  "_score": 2.3010299956639813,
  "_indexed": true,
  "_nocasepkg": "proxreg",
  "_universes": [
    "doufu1402"
  ],
  "_binaries": [
    {
      "r": "4.7.0",
      "os": "linux",
      "version": "1.1.2",
      "date": "2026-05-21T10:54:06.000Z",
      "distro": "noble",
      "commit": "72f0b9ca6374be1d24fff11748b20629a8c580ef",
      "fileid": "8616c64eda5e10fbf99706efe81ac968f17168cc4486739201a811f45eef6a2a",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/doufu1402/actions/runs/26221347712"
    },
    {
      "r": "4.6.0",
      "os": "linux",
      "version": "1.1.2",
      "date": "2026-05-21T10:54:07.000Z",
      "distro": "noble",
      "commit": "72f0b9ca6374be1d24fff11748b20629a8c580ef",
      "fileid": "32adea48cd20565b158a908bc4b9de56b04821826edff4ef69f1dda4b28f4821",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/doufu1402/actions/runs/26221347712"
    },
    {
      "r": "4.5.3",
      "os": "mac",
      "version": "1.1.2",
      "date": "2026-05-21T11:09:15.000Z",
      "commit": "72f0b9ca6374be1d24fff11748b20629a8c580ef",
      "fileid": "829016e54e29ebafb51bbfba1016ea89986181d16d888c8bc81fe08e1d1d3337",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/doufu1402/actions/runs/26221347712"
    },
    {
      "r": "4.6.0",
      "os": "mac",
      "version": "1.1.2",
      "date": "2026-05-21T11:09:29.000Z",
      "commit": "72f0b9ca6374be1d24fff11748b20629a8c580ef",
      "fileid": "11a87e3969f1b4b206ecf1125d8b76ad47a265bda150191e8f9e0efaec019353",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/doufu1402/actions/runs/26221347712"
    },
    {
      "r": "4.6.0",
      "os": "wasm",
      "version": "1.1.2",
      "date": "2026-05-21T19:45:15.000Z",
      "commit": "72f0b9ca6374be1d24fff11748b20629a8c580ef",
      "fileid": "40ad8a8c726972282a436d2050ffe03fcfc3c88a59d932de990e575c07156a8d",
      "status": "success",
      "buildurl": "https://github.com/r-universe/doufu1402/actions/runs/26221347712"
    },
    {
      "r": "4.7.0",
      "os": "win",
      "version": "1.1.2",
      "date": "2026-05-21T10:53:41.000Z",
      "commit": "72f0b9ca6374be1d24fff11748b20629a8c580ef",
      "fileid": "540cbaa926108c2e08b1cc754d2bd9557998df4828c96e0d53f4537dacf0e4de",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/doufu1402/actions/runs/26221347712"
    },
    {
      "r": "4.5.3",
      "os": "win",
      "version": "1.1.2",
      "date": "2026-05-21T10:53:12.000Z",
      "commit": "72f0b9ca6374be1d24fff11748b20629a8c580ef",
      "fileid": "39418a9f23ed9d02bbee0f2c84e8dc49948fa32963b6be461acaee3402f688cb",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/doufu1402/actions/runs/26221347712"
    },
    {
      "r": "4.6.0",
      "os": "win",
      "version": "1.1.2",
      "date": "2026-05-21T10:53:09.000Z",
      "commit": "72f0b9ca6374be1d24fff11748b20629a8c580ef",
      "fileid": "fcc0f48871cd5f26645e418a9539bd45e2716ac42bd69094ea9e6f4e65abedfa",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/doufu1402/actions/runs/26221347712"
    }
  ]
}