{
  "_id": "6acb4312fe5cc25786e8d023",
  "Package": "litterfitter",
  "Type": "Package",
  "Title": "Fits a Collection of Curves to Single-Cohort Decomposition Data",
  "Version": "0.1.5",
  "Date": "2026-01-21",
  "Authors@R": "c(person(given = \"Will\",\nfamily = \"Cornwell\",\nrole = c(\"aut\", \"cre\"),\nemail = \"wcornwell@gmail.com\",\ncomment = c(ORCID = \"0000-0003-4080-4073\")),\nperson(given = \"James\",\nfamily = \"Weedon\",\nrole = \"aut\"),\nperson(given = \"Guofang\",\nfamily = \"Liu\",\nrole = \"ctb\"))",
  "Description": "Fit different model forms to single-cohort litter\ndecomposition data (mass remaining through time) using\nlikelihood-based estimation. Models span simple empirical to\nprocess-motivated forms with differing numbers of free\nparameters. Provides parameter estimates, uncertainty, and\ntools for model comparison/selection. Based on Cornwell &\nWeedon (2013) <doi:10.1111/2041-210X.12138>.",
  "LazyData": "true",
  "LazyDataCompression": "xz",
  "Encoding": "UTF-8",
  "License": "MIT + file LICENSE",
  "URL": "http://traitecoevo.github.io/litterfitter/,\nhttps://github.com/traitecoevo/litterfitter",
  "RoxygenNote": "7.3.2",
  "VignetteBuilder": "knitr",
  "BugReports": "https://github.com/traitecoevo/litterfitter/issues",
  "Roxygen": "list(markdown = TRUE)",
  "Config/testthat/edition": "3",
  "Repository": "https://traitecoevo.r-universe.dev",
  "Date/Publication": "2026-01-29 00:18:24 UTC",
  "RemoteUrl": "https://github.com/traitecoevo/litterfitter",
  "RemoteRef": "HEAD",
  "RemoteSha": "aa902b06cd286fe08c5e05b68b68a9bdb862e6a4",
  "NeedsCompilation": "no",
  "Packaged": {
    "Date": "2026-10-11 07:46:07 UTC",
    "User": "root"
  },
  "Author": "Will Cornwell [aut, cre] (ORCID:\n<https://orcid.org/0000-0003-4080-4073>),\nJames Weedon [aut],\nGuofang Liu [ctb]",
  "Maintainer": "Will Cornwell <wcornwell@gmail.com>",
  "_user": "traitecoevo",
  "_type": "src",
  "_file": "litterfitter_0.1.5.tar.gz",
  "_fileid": "https://r2.ropensci.org/3eca90984f9fdcc42256afdffa9ce769d317c5c9e659732d4458127771ea2058",
  "_filesize": 883346,
  "_sha256": "3eca90984f9fdcc42256afdffa9ce769d317c5c9e659732d4458127771ea2058",
  "_expires": "2027-01-19T08:04:32.000Z",
  "_created": "2026-10-11T07:46:07.000Z",
  "_published": "2026-10-11T08:04:33.924Z",
  "_buildurl": "https://github.com/r-universe/traitecoevo/actions/runs/38122315932",
  "_status": "success",
  "_host": "GitHub-Actions",
  "_jobs": [
    {
      "job": 114419990049,
      "time": 197,
      "config": "linux-devel-x86_64",
      "r": "4.7.0",
      "check": "OK",
      "artifact": "11695724528"
    },
    {
      "job": 114419990083,
      "time": 157,
      "config": "linux-release-x86_64",
      "r": "4.6.1",
      "check": "OK",
      "artifact": "11695912641"
    },
    {
      "job": 114419990081,
      "time": 129,
      "config": "macos-oldrel-arm64",
      "r": "4.5.3",
      "check": "OK",
      "artifact": "11696311741"
    },
    {
      "job": 114419990036,
      "time": 115,
      "config": "macos-release-arm64",
      "r": "4.6.1",
      "check": "OK",
      "artifact": "11696700385"
    },
    {
      "job": 114419469567,
      "time": 183,
      "config": "source",
      "r": "4.6.1",
      "check": "OK",
      "artifact": "11695937405"
    },
    {
      "job": 114419990089,
      "time": 93,
      "config": "wasm-release",
      "r": "4.6.0",
      "check": "OK",
      "artifact": "11695419925"
    },
    {
      "job": 114419990100,
      "time": 119,
      "config": "windows-devel-x86_64",
      "r": "4.7.0",
      "check": "OK",
      "artifact": "11695203466"
    },
    {
      "job": 114419990104,
      "time": 154,
      "config": "windows-oldrel-x86_64",
      "r": "4.5.3",
      "check": "OK",
      "artifact": "11696115632"
    },
    {
      "job": 114419990057,
      "time": 111,
      "config": "windows-release-x86_64",
      "r": "4.6.1",
      "check": "OK",
      "artifact": "11696145420"
    }
  ],
  "_upstream": "https://github.com/traitecoevo/litterfitter",
  "_commit": {
    "id": "aa902b06cd286fe08c5e05b68b68a9bdb862e6a4",
    "author": "Will Cornwell <w.cornwell@unsw.edu.au>",
    "committer": "Will Cornwell <w.cornwell@unsw.edu.au>",
    "message": "Updating github actions\n",
    "time": 1769645904
  },
  "_maintainer": {
    "name": "Will Cornwell",
    "email": "wcornwell@gmail.com",
    "login": "wcornwell",
    "description": "San Francisco -> Amsterdam -> Vancouver -> Sydney",
    "uuid": 5534161,
    "orcid": "0000-0003-4080-4073"
  },
  "_distro": "resolute",
  "_registered": true,
  "_dependencies": [
    {
      "package": "R",
      "version": ">= 4.1.0",
      "role": "Depends"
    },
    {
      "package": "stats",
      "role": "Imports"
    },
    {
      "package": "graphics",
      "role": "Imports"
    },
    {
      "package": "grDevices",
      "role": "Imports"
    },
    {
      "package": "methods",
      "role": "Imports"
    },
    {
      "package": "testthat",
      "role": "Suggests"
    },
    {
      "package": "knitr",
      "role": "Suggests"
    },
    {
      "package": "roxygen2",
      "role": "Suggests"
    },
    {
      "package": "devtools",
      "role": "Suggests"
    },
    {
      "package": "rmarkdown",
      "role": "Suggests"
    }
  ],
  "_owner": "traitecoevo",
  "_selfowned": true,
  "_usedby": 0,
  "_updates": [
    {
      "week": "2026-04",
      "n": 2
    },
    {
      "week": "2026-05",
      "n": 1
    }
  ],
  "_tags": [],
  "_topics": [
    "carbon",
    "carboncycle",
    "decomposition",
    "ecology-modelling",
    "soil"
  ],
  "_stars": 5,
  "_contributors": [
    {
      "user": "wcornwell",
      "count": 111,
      "uuid": 5534161
    },
    {
      "user": "j-tweed",
      "count": 45,
      "uuid": 1643942
    },
    {
      "user": "fontikar",
      "count": 15,
      "uuid": 12161802
    },
    {
      "user": "liuguofang",
      "count": 2,
      "uuid": 5955647
    }
  ],
  "_userbio": {
    "uuid": 11747619,
    "type": "organization",
    "name": "Trait Ecology and Evolution",
    "followers": 40
  },
  "_downloads": {
    "count": 266,
    "source": "https://cranlogs.r-pkg.org/downloads/total/last-month/litterfitter"
  },
  "_devurl": "https://github.com/traitecoevo/litterfitter",
  "_pkgdown": "http://traitecoevo.github.io/litterfitter/",
  "_searchresults": 21,
  "_rbuild": "4.6.1",
  "_assets": [
    "extra/citation.cff",
    "extra/citation.html",
    "extra/citation.json",
    "extra/citation.txt",
    "extra/contents.json",
    "extra/litterfitter.html",
    "extra/manual.pdf",
    "extra/NEWS.html",
    "extra/NEWS.txt",
    "extra/readme.html",
    "extra/readme.md",
    "LICENSE"
  ],
  "_homeurl": "https://github.com/traitecoevo/litterfitter",
  "_realowner": "traitecoevo",
  "_cranurl": true,
  "_releases": [
    {
      "version": "0.1.2",
      "date": "2022-09-15"
    },
    {
      "version": "0.1.3",
      "date": "2023-08-29"
    },
    {
      "version": "0.1.4",
      "date": "2025-08-21"
    }
  ],
  "_exports": [
    "bootstrap_parameters",
    "fit_litter",
    "plot_multiple_fits",
    "steady_state",
    "time_to_prop_mass_remaining"
  ],
  "_datasets": [
    {
      "name": "pineneedles",
      "title": "decomposition trajectory for pine needles",
      "object": "pineneedles",
      "class": [
        "data.frame"
      ],
      "fields": [
        "Year",
        "Mass.remaining"
      ],
      "rows": 6,
      "table": true,
      "tojson": true
    }
  ],
  "_help": [
    {
      "page": "bootstrap_parameters",
      "title": "Create a bootstrap distribution of a particular coefficient from a model fit",
      "topics": [
        "bootstrap_parameters"
      ]
    },
    {
      "page": "fit_litter",
      "title": "Fit different models to single cohort decomposition data",
      "topics": [
        "fit_litter"
      ]
    },
    {
      "page": "litterfitter",
      "title": "litterfitter: methods for fitting curves to litter decomposition trajectories",
      "topics": [
        "litterfitter-package",
        "litterfitter"
      ]
    },
    {
      "page": "pineneedles",
      "title": "decomposition trajectory for pine needles",
      "topics": [
        "pineneedles"
      ]
    },
    {
      "page": "plot_multiple_fits",
      "title": "Plot multiple fits on one graph with model selection results displayed",
      "topics": [
        "plot_multiple_fits"
      ]
    },
    {
      "page": "plot.litfit",
      "title": "Plot Decomposition Trajectory and Curve Fit",
      "topics": [
        "plot.litfit"
      ]
    },
    {
      "page": "plot.litfit_bootstrap",
      "title": "Plot the bootstrap distribution for a parameter from a litfit object",
      "topics": [
        "plot.litfit_bootstrap"
      ]
    },
    {
      "page": "predict.litfit",
      "title": "Predict method for litfit objects",
      "topics": [
        "predict.litfit"
      ]
    },
    {
      "page": "steady_state",
      "title": "Estimate Steady State Biomass",
      "topics": [
        "steady_state"
      ]
    },
    {
      "page": "time_to_prop_mass_remaining",
      "title": "Get the predicted time until half mass loss for a litter decomposition trajectory",
      "topics": [
        "time_to_prop_mass_remaining"
      ]
    }
  ],
  "_readme": "https://github.com/traitecoevo/litterfitter/raw/HEAD/README.md",
  "_rundeps": [],
  "_vignettes": [
    {
      "source": "litterfitter.Rmd",
      "filename": "litterfitter.html",
      "title": "litterfitter",
      "engine": "knitr::rmarkdown",
      "headings": [
        "Getting started"
      ],
      "created": "2022-09-12 06:47:19",
      "modified": "2026-01-21 03:55:41",
      "commits": 3
    }
  ],
  "_score": 5.498310553789601,
  "_indexed": true,
  "_nocasepkg": "litterfitter",
  "_universes": [
    "traitecoevo",
    "wcornwell"
  ],
  "_binaries": [
    {
      "r": "4.7.0",
      "os": "linux",
      "version": "0.1.5",
      "date": "2026-10-11T07:49:09.000Z",
      "distro": "resolute",
      "commit": "aa902b06cd286fe08c5e05b68b68a9bdb862e6a4",
      "fileid": "https://r2.ropensci.org/906d0640af202e1ed659de3bfc245d896f6b6e4a66013bc3185d5183f2fe99ee",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/traitecoevo/actions/runs/38122315932"
    },
    {
      "r": "4.6.1",
      "os": "linux",
      "version": "0.1.5",
      "date": "2026-10-11T07:48:23.000Z",
      "distro": "resolute",
      "commit": "aa902b06cd286fe08c5e05b68b68a9bdb862e6a4",
      "fileid": "https://r2.ropensci.org/2ecabd02d13fdfdc964cf70716764f1116bd1bff563cd7e4caabf895a61c0e3d",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/traitecoevo/actions/runs/38122315932"
    },
    {
      "r": "4.5.3",
      "os": "mac",
      "version": "0.1.5",
      "date": "2026-10-11T08:03:42.000Z",
      "commit": "aa902b06cd286fe08c5e05b68b68a9bdb862e6a4",
      "fileid": "https://r2.ropensci.org/c486db1c4b944adcd0938056b1b50781a899d0c48dbcd3f7a21285a56343754f",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/traitecoevo/actions/runs/38122315932"
    },
    {
      "r": "4.6.1",
      "os": "mac",
      "version": "0.1.5",
      "date": "2026-10-11T08:00:08.000Z",
      "commit": "aa902b06cd286fe08c5e05b68b68a9bdb862e6a4",
      "fileid": "https://r2.ropensci.org/b4dd472e131e906a9cf42294d64671ddcddc1f048c21eb0c2c0e29e98866fcc4",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/traitecoevo/actions/runs/38122315932"
    },
    {
      "r": "4.6.0",
      "os": "wasm",
      "version": "0.1.5",
      "date": "2026-10-11T07:48:10.000Z",
      "commit": "aa902b06cd286fe08c5e05b68b68a9bdb862e6a4",
      "fileid": "https://r2.ropensci.org/2c985e9039df7009661c3819bccf7ce385632634f2afa2c9ebeeef213a23385c",
      "status": "success",
      "buildurl": "https://github.com/r-universe/traitecoevo/actions/runs/38122315932"
    },
    {
      "r": "4.7.0",
      "os": "win",
      "version": "0.1.5",
      "date": "2026-10-11T07:47:47.000Z",
      "commit": "aa902b06cd286fe08c5e05b68b68a9bdb862e6a4",
      "fileid": "https://r2.ropensci.org/12ed97f8efc845f928837cfa401522485ff5c950a34ee5ef01835ef9d14984be",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/traitecoevo/actions/runs/38122315932"
    },
    {
      "r": "4.5.3",
      "os": "win",
      "version": "0.1.5",
      "date": "2026-10-11T07:47:59.000Z",
      "commit": "aa902b06cd286fe08c5e05b68b68a9bdb862e6a4",
      "fileid": "https://r2.ropensci.org/9160eeda448b2cf86efb26aa9f3a953691c141a0cd1dd6a5ad9f109fe02a31af",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/traitecoevo/actions/runs/38122315932"
    },
    {
      "r": "4.6.1",
      "os": "win",
      "version": "0.1.5",
      "date": "2026-10-11T07:47:21.000Z",
      "commit": "aa902b06cd286fe08c5e05b68b68a9bdb862e6a4",
      "fileid": "https://r2.ropensci.org/4247da6585f0e10a97170683caef11080c7473be60bd69d9ca365a401541ea8f",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/traitecoevo/actions/runs/38122315932"
    }
  ]
}