{
  "_id": "6a1edd7ab401979e734100e7",
  "Package": "nlraa",
  "Version": "1.9.11",
  "Authors@R": "c(person(\"Fernando\", \"Miguez\", email = \"femiguez@iastate.edu\", role = c(\"aut\", \"cre\"), comment = c(ORCID = \"0000-0002-4627-8329\")),\nperson(\"Caio\", \"dos Santos\", role = c(\"ctb\"), comment = \"author of SSscard\"),\nperson(\"José\", \"Pinheiro\", role = c(\"ctb\",\"cph\"), comment = \"author of nlme::nlsList, nlme::predict.gnls, nlme::predict.nlme\"),\nperson(\"Douglas\", \"Bates\", role = c(\"ctb\",\"cph\"), comment = \"author of nlme::nlsList, nlme::predict.gnls, nlme::predict.nlme\"),\nperson(\"R-core\", email = \"R-core@R-project.org\", role = c(\"ctb\", \"cph\")))",
  "Title": "Nonlinear Regression for Agricultural Applications",
  "Description": "Additional nonlinear regression functions using self-start\n(SS) algorithms. One of the functions is the Beta growth\nfunction proposed by Yin et al. (2003)\n<doi:10.1093/aob/mcg029>. There are several other functions\nwith breakpoints (e.g. linear-plateau, plateau-linear,\nexponential-plateau, plateau-exponential, quadratic-plateau,\nplateau-quadratic and bilinear), a non-rectangular hyperbola\nand a bell-shaped curve. Twenty eight (28) new self-start (SS)\nfunctions in total. This package also supports the publication\n'Nonlinear regression Models and applications in agricultural\nresearch' by Archontoulis and Miguez (2015)\n<doi:10.2134/agronj2012.0506>, a book chapter with similar\nmaterial <doi:10.2134/appliedstatistics.2016.0003.c15> and a\npublication by Oddi et. al. (2019) in Ecology and Evolution\n<doi:10.1002/ece3.5543>. The function 'nlsLMList' uses 'nlsLM'\nfor fitting, but it is otherwise almost identical to\n'nlme::nlsList'.In addition, this release of the package\nprovides functions for conducting simulations for 'nlme' and\n'gnls' objects as well as bootstrapping. These functions are\nintended to work with the modeling framework of the 'nlme'\npackage. It also provides four vignettes with extended\nexamples.",
  "License": "GPL-3",
  "Encoding": "UTF-8",
  "VignetteBuilder": "knitr",
  "BugReports": "https://github.com/femiguez/nlraa/issues",
  "LazyData": "true",
  "LazyDataCompression": "xz",
  "RoxygenNote": "7.3.2",
  "Repository": "https://femiguez.r-universe.dev",
  "Date/Publication": "2025-08-22 21:58:46 UTC",
  "RemoteUrl": "https://github.com/femiguez/nlraa",
  "RemoteRef": "HEAD",
  "RemoteSha": "d6afbf815a423077286821acc97ce44184ecb039",
  "NeedsCompilation": "no",
  "Packaged": {
    "Date": "2026-05-20 08:16:07 UTC",
    "User": "root"
  },
  "Author": "Fernando Miguez [aut, cre] (ORCID:\n<https://orcid.org/0000-0002-4627-8329>),\nCaio dos Santos [ctb] (author of SSscard),\nJosé Pinheiro [ctb, cph] (author of nlme::nlsList, nlme::predict.gnls,\nnlme::predict.nlme),\nDouglas Bates [ctb, cph] (author of nlme::nlsList, nlme::predict.gnls,\nnlme::predict.nlme),\nR-core [ctb, cph]",
  "Maintainer": "Fernando Miguez <femiguez@iastate.edu>",
  "MD5sum": "3dda2f30555a3e1601ef272da26e5426",
  "_user": "femiguez",
  "_type": "src",
  "_file": "nlraa_1.9.11.tar.gz",
  "_fileid": "33046dddc5af63f5e758142fc11836c0a8155c9d078623a9af3c1e9817a62f0d",
  "_filesize": 6497275,
  "_sha256": "33046dddc5af63f5e758142fc11836c0a8155c9d078623a9af3c1e9817a62f0d",
  "_created": "2026-05-20T08:16:07.000Z",
  "_published": "2026-06-02T13:41:14.540Z",
  "_distro": "noble",
  "_jobs": [
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    "author": "Fernando Miguez <fer.eze.miguez@gmail.com>",
    "committer": "Fernando Miguez <fer.eze.miguez@gmail.com>",
    "message": "Better handling of errors related to data in simulate and predict functions\n",
    "time": 1755899926
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  "_maintainer": {
    "name": "Fernando Miguez",
    "email": "femiguez@iastate.edu",
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      "package": "MASS",
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      "package": "Matrix",
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    {
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      "package": "stats",
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    },
    {
      "package": "bbmle",
      "role": "Suggests"
    },
    {
      "package": "car",
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    {
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    {
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    {
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  "_owner": "femiguez",
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  "_usedby": 2,
  "_updates": [
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  "_tags": [],
  "_topics": [
    "agricultural",
    "ecology",
    "nonlinear-mixed-models",
    "nonlinear-regression"
  ],
  "_stars": 25,
  "_contributors": [
    {
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    "source": "https://cranlogs.r-pkg.org/downloads/total/last-month/nlraa"
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  "_devurl": "https://github.com/femiguez/nlraa",
  "_searchresults": 140,
  "_rbuild": "4.6.0",
  "_assets": [
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    "extra/citation.html",
    "extra/citation.json",
    "extra/citation.txt",
    "extra/contents.json",
    "extra/nlraa.html",
    "extra/readme.html",
    "extra/readme.md",
    "manual.pdf"
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  "_homeurl": "https://github.com/femiguez/nlraa",
  "_realowner": "femiguez",
  "_cranurl": true,
  "_releases": [
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      "date": "2020-01-13"
    },
    {
      "version": "0.65",
      "date": "2020-04-25"
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    {
      "version": "0.73",
      "date": "2020-06-12"
    },
    {
      "version": "0.76",
      "date": "2020-11-09"
    },
    {
      "version": "0.83",
      "date": "2021-01-05"
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    {
      "version": "0.89",
      "date": "2021-04-22"
    },
    {
      "version": "0.98",
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    {
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    {
      "version": "1.2",
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    {
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      "date": "2023-12-19"
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    "bell",
    "beta5",
    "bg4rp",
    "bgf",
    "bgf2",
    "bgf4",
    "bgrp",
    "blin",
    "boot_gls",
    "boot_gnls",
    "boot_lm",
    "boot_lme",
    "boot_nlme",
    "boot_nls",
    "card3",
    "confidence_intervals",
    "dlf",
    "expf",
    "expfp",
    "explin",
    "gmicmen",
    "harm1",
    "hill1",
    "hill2",
    "hill3",
    "IA_tab",
    "IC_tab",
    "linp",
    "logis5",
    "moh",
    "nlraa.env",
    "nlsLMList",
    "nrh",
    "pexpf",
    "plin",
    "pquad",
    "pquad3",
    "predict_gam",
    "predict_gls",
    "predict_gnls",
    "predict_lme",
    "predict_nlme",
    "predict_nls",
    "predict2_gam",
    "predict2_nls",
    "profd",
    "quadp",
    "quadp3",
    "quadp3xs",
    "quadpq",
    "R2M",
    "ratio",
    "ricker",
    "scard3",
    "sharp",
    "simulate_gam",
    "simulate_gls",
    "simulate_gnls",
    "simulate_lm",
    "simulate_lme",
    "simulate_nlme",
    "simulate_nls",
    "spherical",
    "SSagauss",
    "SSbell",
    "SSbeta5",
    "SSbg4rp",
    "SSbgf",
    "SSbgf4",
    "SSbgrp",
    "SSblin",
    "SScard3",
    "SSdlf",
    "SSexpf",
    "SSexpfp",
    "SSexplin",
    "SSgmicmen",
    "SSharm1",
    "SShill1",
    "SShill2",
    "SShill3",
    "SSlinp",
    "SSlogis5",
    "SSmoh",
    "SSnrh",
    "SSpexpf",
    "SSplin",
    "SSpquad",
    "SSpquad3",
    "SSprofd",
    "SSquadp",
    "SSquadp3",
    "SSquadp3xs",
    "SSquadpq",
    "SSratio",
    "SSricker",
    "SSscard3",
    "SSsharp",
    "SSspherical",
    "SStemp3",
    "SStrlin",
    "summary_simulate",
    "temp3",
    "trlin",
    "var_cov"
  ],
  "_datasets": [
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      "name": "barley",
      "title": "Barley response to nitrogen fertilizer",
      "object": "barley",
      "class": [
        "data.frame"
      ],
      "fields": [
        "year",
        "NF",
        "yield"
      ],
      "rows": 76,
      "table": true,
      "tojson": true
    },
    {
      "name": "fm1.P.at.x.0.4",
      "title": "object for confidence bands vignette fm1.P.at.x.0.4",
      "object": "fm1.P.at.x.0.4",
      "class": [
        "boot"
      ],
      "fields": [],
      "table": false,
      "tojson": false
    },
    {
      "name": "fm1.P.bt",
      "title": "object for confidence bands vignette fm1.P.bt",
      "object": "fm1.P.bt",
      "class": [
        "boot"
      ],
      "fields": [],
      "table": false,
      "tojson": false
    },
    {
      "name": "fm1.P.bt.ft",
      "title": "object for confidence bands vignette fm1.P.bt.ft",
      "object": "fm1.P.bt.ft",
      "class": [
        "boot"
      ],
      "fields": [],
      "table": false,
      "tojson": false
    },
    {
      "name": "fm2.Lob.bt",
      "title": "object for confidence bands vignette fm2.Lob.bt",
      "object": "fm2.Lob.bt",
      "class": [
        "boot"
      ],
      "fields": [],
      "table": false,
      "tojson": false
    },
    {
      "name": "fmm1.bt",
      "title": "object for confidence bands vignette fmm1.bt",
      "object": "fmm1.bt",
      "class": [
        "boot"
      ],
      "fields": [],
      "table": false,
      "tojson": false
    },
    {
      "name": "lfmc",
      "title": "Live fuel moisture content",
      "object": "lfmc",
      "class": [
        "data.frame"
      ],
      "fields": [
        "leaf.type",
        "time",
        "plot",
        "site",
        "lfmc",
        "group"
      ],
      "rows": 247,
      "table": true,
      "tojson": true
    },
    {
      "name": "Lob.bt.pe",
      "title": "object for confidence bands vignette Lob.bt.pe",
      "object": "Lob.bt.pe",
      "class": [
        "boot"
      ],
      "fields": [],
      "table": false,
      "tojson": false
    },
    {
      "name": "maizeleafext",
      "title": "Maize leaf extension rate as a response to temperature",
      "object": "maizeleafext",
      "class": [
        "data.frame"
      ],
      "fields": [
        "temp",
        "rate"
      ],
      "rows": 10,
      "table": true,
      "tojson": true
    },
    {
      "name": "sm",
      "title": "Sorghum and Maize growth in Greece",
      "object": "sm",
      "class": [
        "data.frame"
      ],
      "fields": [
        "DOY",
        "Block",
        "Input",
        "Crop",
        "Yield"
      ],
      "rows": 236,
      "table": true,
      "tojson": true
    },
    {
      "name": "swpg",
      "title": "Water limitations for Soybean growth",
      "object": "swpg",
      "class": [
        "data.frame"
      ],
      "fields": [
        "ftsw",
        "lfgr"
      ],
      "rows": 20,
      "table": true,
      "tojson": true
    }
  ],
  "_help": [
    {
      "page": "barley",
      "title": "Barley response to nitrogen fertilizer",
      "topics": [
        "barley"
      ]
    },
    {
      "page": "boot_lm",
      "title": "Bootstrapping for linear models",
      "topics": [
        "boot_lm"
      ]
    },
    {
      "page": "boot_lme",
      "title": "Bootstraping for linear mixed models",
      "topics": [
        "boot_gls",
        "boot_lme"
      ]
    },
    {
      "page": "boot_nlme",
      "title": "Bootstraping for generalized nonlinear models and nonlinear mixed models",
      "topics": [
        "boot_gnls",
        "boot_nlme"
      ]
    },
    {
      "page": "boot_nls",
      "title": "Bootstrapping for nonlinear models",
      "topics": [
        "boot_nls"
      ]
    },
    {
      "page": "confidence_intervals",
      "title": "Confidence interval methods for (non)-linear models",
      "topics": [
        "confidence_intervals"
      ]
    },
    {
      "page": "fm1.P.at.x.0.4",
      "title": "object for confidence bands vignette fm1.P.at.x.0.4",
      "topics": [
        "fm1.P.at.x.0.4"
      ]
    },
    {
      "page": "fm1.P.bt",
      "title": "object for confidence bands vignette fm1.P.bt",
      "topics": [
        "fm1.P.bt"
      ]
    },
    {
      "page": "fm1.P.bt.ft",
      "title": "object for confidence bands vignette fm1.P.bt.ft",
      "topics": [
        "fm1.P.bt.ft"
      ]
    },
    {
      "page": "fm2.Lob.bt",
      "title": "object for confidence bands vignette fm2.Lob.bt",
      "topics": [
        "fm2.Lob.bt"
      ]
    },
    {
      "page": "fmm1.bt",
      "title": "object for confidence bands vignette fmm1.bt",
      "topics": [
        "fmm1.bt"
      ]
    },
    {
      "page": "IA_tab",
      "title": "Indexes of Agreement Table",
      "topics": [
        "IA_tab",
        "plot.IA_tab",
        "print.IA_tab"
      ]
    },
    {
      "page": "IC_tab",
      "title": "Information Criteria Table",
      "topics": [
        "IC_tab"
      ]
    },
    {
      "page": "lfmc",
      "title": "Live fuel moisture content",
      "topics": [
        "lfmc"
      ]
    },
    {
      "page": "Lob.bt.pe",
      "title": "object for confidence bands vignette Lob.bt.pe",
      "topics": [
        "Lob.bt.pe"
      ]
    },
    {
      "page": "maizeleafext",
      "title": "Maize leaf extension rate as a response to temperature",
      "topics": [
        "maizeleafext"
      ]
    },
    {
      "page": "nlraa.env",
      "title": "Environment to store options and data for nlraa",
      "topics": [
        "nlraa.env"
      ]
    },
    {
      "page": "nlsLMList",
      "title": "Create a list of nls objects with the option of using nlsLM in addition to nls",
      "topics": [
        "nlsLMList",
        "nlsLMList.selfStart"
      ]
    },
    {
      "page": "nlsLMList.formula",
      "title": "Formula method for nls 'LM' list method",
      "topics": [
        "nlsLMList.formula"
      ]
    },
    {
      "page": "predict_gam",
      "title": "Modified prediciton function based on predict.gam",
      "topics": [
        "predict_gam"
      ]
    },
    {
      "page": "predict_nlme",
      "title": "Average predictions from several (non)linear models based on IC weights",
      "topics": [
        "predict_gls",
        "predict_gnls",
        "predict_lme",
        "predict_nlme"
      ]
    },
    {
      "page": "predict_nls",
      "title": "Average predictions from several (non)linear models based on IC weights",
      "topics": [
        "predict2_gam",
        "predict_nls"
      ]
    },
    {
      "page": "predict2_nls",
      "title": "Prediction Bands for Nonlinear Regression",
      "topics": [
        "predict2_nls"
      ]
    },
    {
      "page": "R2M",
      "title": "R-squared for nonlinear mixed models",
      "topics": [
        "R2M",
        "R2M.gls",
        "R2M.gnls",
        "R2M.lm",
        "R2M.lme",
        "R2M.nlme",
        "R2M.nls"
      ]
    },
    {
      "page": "simulate_gam",
      "title": "Simulate responses from a generalized additive linear model 'gam'",
      "topics": [
        "simulate_gam"
      ]
    },
    {
      "page": "simulate_gls",
      "title": "Simulate fitted values from an object of class 'gls'",
      "topics": [
        "simulate_gls"
      ]
    },
    {
      "page": "simulate_gnls",
      "title": "Simulate fitted values from an object of class 'gnls'",
      "topics": [
        "simulate_gnls"
      ]
    },
    {
      "page": "simulate_lm",
      "title": "Simulate responses from a linear model 'lm'",
      "topics": [
        "simulate_lm"
      ]
    },
    {
      "page": "simulate_lme",
      "title": "Simulate values from an object of class 'lme'",
      "topics": [
        "simulate_lme"
      ]
    },
    {
      "page": "simulate_nlme",
      "title": "Simulate samples from a nonlinear mixed model from fixed effects",
      "topics": [
        "simulate_nlme"
      ]
    },
    {
      "page": "simulate_nlme_one",
      "title": "Simulate fitted values from an object of class 'nlme'",
      "topics": [
        "simulate_nlme_one"
      ]
    },
    {
      "page": "simulate_nls",
      "title": "Simulate fitted values from an object of class 'nls'",
      "topics": [
        "simulate_nls"
      ]
    },
    {
      "page": "sm",
      "title": "Sorghum and Maize growth in Greece",
      "topics": [
        "sm"
      ]
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