{
  "_id": "6a1018e3acfb0bcc41c85c07",
  "Package": "dsem",
  "Type": "Package",
  "Title": "Dynamic Structural Equation Models",
  "Version": "2.0.1",
  "Date": "2026-05-12",
  "Authors@R": "c(person(given = \"James\",\nfamily = \"Thorson\",\nrole = c(\"aut\", \"cre\"),\nemail = \"James.Thorson@noaa.gov\",\ncomment = c(ORCID = \"0000-0001-7415-1010\")),\nperson(given = \"Maurice\",\nfamily = \"Goodman\",\nrole = c(\"ctb\"),\nemail = \"goodman.maurice@gmail.com\",\ncomment = c(ORCID = \"0000-0002-6874-2313\")),\nperson(given = \"Wouter\",\nfamily = \"van der Bijl\",\nrole = c(\"ctb\"),\ncomment = c(ORCID = \"0000-0002-7366-1868\", \"template for d-separation test\")),\nperson(given = \"Giovanni M.\",\nfamily = \"Marchetti\",\nemail = \"giovanni.marchetti@unifi.it\",\nrole = c(\"ctr\"),\ncomment = c(\"creator of ggm, from which functions are copied to avoid dependency on package graph not on CRAN\"))\n)",
  "Description": "Applies dynamic structural equation models to time-series\ndata with generic and simplified specification for simultaneous\nand lagged effects. Methods are described in Thorson et al.\n(2024) \"Dynamic structural equation models synthesize ecosystem\ndynamics constrained by ecological mechanisms.\"",
  "License": "GPL-3",
  "Encoding": "UTF-8",
  "Roxygen": "list(markdown = TRUE)",
  "VignetteBuilder": "knitr",
  "LazyData": "true",
  "URL": "https://james-thorson-noaa.github.io/dsem/",
  "BugReports": "https://github.com/James-Thorson-NOAA/dsem/issues/",
  "Config/roxygen2/version": "8.0.0",
  "Config/pak/sysreqs": "libfontconfig1-dev libfreetype6-dev libglpk-dev\nlibicu-dev libxml2-dev",
  "Repository": "https://james-thorson-noaa.r-universe.dev",
  "Date/Publication": "2026-05-14 21:06:20 UTC",
  "RemoteUrl": "https://github.com/james-thorson-noaa/dsem",
  "RemoteRef": "HEAD",
  "RemoteSha": "81d3d817cc53284018ff6c3f620bd6d8bbe6ab6c",
  "NeedsCompilation": "yes",
  "Packaged": {
    "Date": "2026-05-14 21:18:45 UTC",
    "User": "root"
  },
  "Author": "James Thorson [aut, cre] (ORCID:\n<https://orcid.org/0000-0001-7415-1010>),\nMaurice Goodman [ctb] (ORCID: <https://orcid.org/0000-0002-6874-2313>),\nWouter van der Bijl [ctb] (ORCID:\n<https://orcid.org/0000-0002-7366-1868>, template for d-separation\ntest),\nGiovanni M. Marchetti [ctr] (creator of ggm, from which functions are\ncopied to avoid dependency on package graph not on CRAN)",
  "Maintainer": "James Thorson <James.Thorson@noaa.gov>",
  "MD5sum": "59d8d66c66faf07c92f021cfc6597e3b",
  "_user": "james-thorson-noaa",
  "_type": "src",
  "_file": "dsem_2.0.1.tar.gz",
  "_fileid": "3f662da9c08cd7bef8580499ecfe235cb53e6ee63aefcceb2bb700718ab94d3f",
  "_filesize": 3509503,
  "_sha256": "3f662da9c08cd7bef8580499ecfe235cb53e6ee63aefcceb2bb700718ab94d3f",
  "_created": "2026-05-14T21:18:45.000Z",
  "_published": "2026-05-22T08:50:43.118Z",
  "_distro": "noble",
  "_jobs": [
    {
      "job": 77346722173,
      "time": 365,
      "config": "linux-devel-arm64",
      "r": "4.7.0",
      "check": "OK",
      "artifact": "7005167665"
    },
    {
      "job": 77346721917,
      "time": 378,
      "config": "linux-devel-x86_64",
      "r": "4.7.0",
      "check": "OK",
      "artifact": "7005171550"
    },
    {
      "job": 77346722358,
      "time": 401,
      "config": "linux-release-arm64",
      "r": "4.6.0",
      "check": "OK",
      "artifact": "7005178337"
    },
    {
      "job": 77346722415,
      "time": 399,
      "config": "linux-release-x86_64",
      "r": "4.6.0",
      "check": "OK",
      "artifact": "7005177944"
    },
    {
      "job": 77346722306,
      "time": 331,
      "config": "macos-oldrel-arm64",
      "r": "4.5.3",
      "check": "OK",
      "artifact": "7005157376"
    },
    {
      "job": 77346722324,
      "time": 551,
      "config": "macos-oldrel-x86_64",
      "r": "4.5.3",
      "check": "OK",
      "artifact": "7005224125"
    },
    {
      "job": 77346722156,
      "time": 289,
      "config": "macos-release-arm64",
      "r": "4.6.0",
      "check": "OK",
      "artifact": "7005145440"
    },
    {
      "job": 77346722239,
      "time": 844,
      "config": "macos-release-x86_64",
      "r": "4.6.0",
      "check": "OK",
      "artifact": "7005312682"
    },
    {
      "job": 77346721897,
      "time": 500,
      "config": "source",
      "r": "4.6.0",
      "check": "OK",
      "artifact": "7005063673"
    },
    {
      "job": 77346721519,
      "time": 217,
      "config": "wasm-release",
      "r": "4.6.0",
      "check": "OK",
      "artifact": "7156549443"
    },
    {
      "job": 77346722380,
      "time": 393,
      "config": "windows-devel",
      "r": "4.7.0",
      "check": "OK",
      "artifact": "7005176351"
    },
    {
      "job": 77346722377,
      "time": 376,
      "config": "windows-oldrel",
      "r": "4.5.3",
      "check": "OK",
      "artifact": "7005171281"
    },
    {
      "job": 77346722272,
      "time": 428,
      "config": "windows-release",
      "r": "4.6.0",
      "check": "OK",
      "artifact": "7005186531"
    }
  ],
  "_buildurl": "https://github.com/r-universe/james-thorson-noaa/actions/runs/25885974308",
  "_status": "success",
  "_host": "GitHub-Actions",
  "_upstream": "https://github.com/james-thorson-noaa/dsem",
  "_commit": {
    "id": "81d3d817cc53284018ff6c3f620bd6d8bbe6ab6c",
    "author": "James T. Thorson <James.T.Thorson@gmail.com>",
    "committer": "GitHub <noreply@github.com>",
    "message": "Dev (#59)\n\n* Attempt fix for SAN error\n\n* add SAN check to github actions\n\n* try to fix SAN check on github actions\n\n* add trailing / for urls\n\n* try fixing SAN on Github Actions\n\n* try again with SAN\n\n* Update R-CMD-check.yaml\n\n* Update R-CMD-check.yaml\n\n* another attempted fix for CI\n\n* undo attempt at SAN\n\n* fresh attempt at SAN on github actions\n\n* try stand-alone SAN check yaml\n\n* try fixing san-check\n\n* revert the R-CMD-check\n\n* Update san-check.yaml\n\n* try again\n\n* partial revert\n\n* try again\n\n* intentionally cause error for SAN to detect\n\n* re-add examples and tests for SAN\n\n* try instead\n\n* try to replicate CRAN error in SAN Action\n\n* switch image to replicate Ripley message\n\n* see if update fixes problem\n\n* Update NEWS.md\n\n* Update san-check.yaml\n\n* try replacing R_IsNA\n\n* try using `error_on = \"warning\" `\n\n* add manual SAN with vignettes\n\n* try changing NA to NA_integer_ ...\n\n... so that SAN doesn't have a warning when NA is passed to DATA_IMATRIX\n\n* try --ignore-vignettes\n\n* Update NEWS.md\n\n* try again\n\n* intentionally cause nan error again ...\n\n... to see if SAN detects it correctly\n\n* try to get Action error for nan detection\n\n* re-fix the nan issue\n\n* another attempted fix\n\n* fix error due to switch NA to -1\n\n* small format changes\n\n* further small format edits\n\n* another attempt\n\n* another fix\n\n* removing as_sem ...\n\n... because sem::sem(.) appears to cause UBSAN warning\n\n* Update NEWS.md\n\n* Update _pkgdown.yml\n\n* remove sem from IMPORTS\n\n* continue last commit\n\n---------\n\nCo-authored-by: Jim Thorson <50178738+James-Thorson-NOAA@users.noreply.github.com>\nCo-authored-by: James Thorson <James.Thorson@noaa.gov>",
    "time": 1778792780
  },
  "_maintainer": {
    "name": "James Thorson",
    "email": "james.thorson@noaa.gov",
    "login": "james-thorson-noaa",
    "orcid": "0000-0001-7415-1010",
    "uuid": 50178738
  },
  "_registered": true,
  "_dependencies": [
    {
      "package": "R",
      "version": ">= 4.0.0",
      "role": "Depends"
    },
    {
      "package": "TMB",
      "version": ">= 1.9.18",
      "role": "LinkingTo"
    },
    {
      "package": "RcppEigen",
      "role": "LinkingTo"
    },
    {
      "package": "TMB",
      "version": ">= 1.9.18",
      "role": "Imports"
    },
    {
      "package": "Matrix",
      "role": "Imports"
    },
    {
      "package": "igraph",
      "role": "Imports"
    },
    {
      "package": "utils",
      "role": "Imports"
    },
    {
      "package": "RTMB",
      "version": ">= 1.7.0",
      "role": "Imports"
    },
    {
      "package": "ggraph",
      "role": "Imports"
    },
    {
      "package": "ggplot2",
      "role": "Imports"
    },
    {
      "package": "grid",
      "role": "Imports"
    },
    {
      "package": "methods",
      "role": "Imports"
    },
    {
      "package": "stats",
      "role": "Imports"
    },
    {
      "package": "knitr",
      "role": "Suggests"
    },
    {
      "package": "AER",
      "role": "Suggests"
    },
    {
      "package": "phylopath",
      "role": "Suggests"
    },
    {
      "package": "rmarkdown",
      "role": "Suggests"
    },
    {
      "package": "reshape",
      "role": "Suggests"
    },
    {
      "package": "gridExtra",
      "role": "Suggests"
    },
    {
      "package": "dynlm",
      "role": "Suggests"
    },
    {
      "package": "MARSS",
      "role": "Suggests"
    },
    {
      "package": "ggpubr",
      "role": "Suggests"
    },
    {
      "package": "vars",
      "role": "Suggests"
    },
    {
      "package": "testthat",
      "role": "Suggests"
    },
    {
      "package": "DHARMa",
      "role": "Suggests"
    },
    {
      "package": "rstan",
      "role": "Enhances"
    },
    {
      "package": "tmbstan",
      "role": "Enhances"
    }
  ],
  "_owner": "james-thorson-noaa",
  "_selfowned": true,
  "_usedby": 1,
  "_updates": [
    {
      "week": "2025-38",
      "n": 1
    },
    {
      "week": "2025-50",
      "n": 1
    },
    {
      "week": "2026-15",
      "n": 1
    },
    {
      "week": "2026-16",
      "n": 1
    },
    {
      "week": "2026-17",
      "n": 1
    },
    {
      "week": "2026-19",
      "n": 3
    },
    {
      "week": "2026-20",
      "n": 2
    }
  ],
  "_tags": [
    {
      "name": "1.7.0",
      "date": "2025-09-16"
    },
    {
      "name": "2.0.0",
      "date": "2026-05-12"
    },
    {
      "name": "2.0.1",
      "date": "2026-05-14"
    }
  ],
  "_stars": 18,
  "_contributors": [
    {
      "user": "james-thorson-noaa",
      "count": 57,
      "uuid": 50178738
    },
    {
      "user": "james-thorson",
      "count": 10,
      "uuid": 7989837
    },
    {
      "user": "olivroy",
      "count": 1,
      "uuid": 52606734
    }
  ],
  "_userbio": {
    "uuid": 50178738,
    "type": "user",
    "name": "James T. Thorson"
  },
  "_downloads": {
    "count": 839,
    "source": "https://cranlogs.r-pkg.org/downloads/total/last-month/dsem"
  },
  "_devurl": "https://github.com/james-thorson-noaa/dsem",
  "_pkgdown": "https://james-thorson-noaa.github.io/dsem/",
  "_searchresults": 68,
  "_topics": [
    "cpp",
    "openmp"
  ],
  "_rbuild": "4.6.0",
  "_assets": [
    "extra/citation.cff",
    "extra/citation.html",
    "extra/citation.json",
    "extra/citation.txt",
    "extra/contents.json",
    "extra/dsem.html",
    "extra/NEWS.html",
    "extra/NEWS.txt",
    "extra/readme.html",
    "extra/readme.md",
    "manual.pdf"
  ],
  "_homeurl": "https://github.com/james-thorson-noaa/dsem",
  "_realowner": "james-thorson-noaa",
  "_cranurl": true,
  "_releases": [
    {
      "version": "1.0.0",
      "date": "2023-12-08"
    },
    {
      "version": "1.0.1",
      "date": "2024-01-18"
    },
    {
      "version": "1.0.2",
      "date": "2024-02-02"
    },
    {
      "version": "1.1.0",
      "date": "2024-02-17"
    },
    {
      "version": "1.2.0",
      "date": "2024-03-31"
    },
    {
      "version": "1.2.1",
      "date": "2024-04-03"
    },
    {
      "version": "1.3.0",
      "date": "2024-07-22"
    },
    {
      "version": "1.4.0",
      "date": "2025-01-17"
    },
    {
      "version": "1.4.1",
      "date": "2025-02-02"
    },
    {
      "version": "1.5.0",
      "date": "2025-02-13"
    },
    {
      "version": "1.6.0",
      "date": "2025-03-22"
    },
    {
      "version": "1.7.0",
      "date": "2025-09-16"
    },
    {
      "version": "2.0.0",
      "date": "2026-05-12"
    },
    {
      "version": "2.0.1",
      "date": "2026-05-14"
    }
  ],
  "_exports": [
    "as_fitted_DAG",
    "cAIC",
    "classify_variables",
    "convert_equations",
    "dsem",
    "dsem_control",
    "list_parameters",
    "loo_residuals",
    "make_dfa",
    "make_dsem_ram",
    "make_matrices",
    "parse_path",
    "partition_variance",
    "rk4sys",
    "stepwise_selection",
    "test_dsep",
    "TMBAIC",
    "total_effect"
  ],
  "_datasets": [
    {
      "name": "bering_sea",
      "title": "Bering Sea marine ecosystem",
      "object": "bering_sea",
      "class": [
        "data.frame"
      ],
      "fields": [
        "log_CP",
        "log_seaice",
        "log_Cfall",
        "log_Esummer",
        "log_RperS",
        "SSB",
        "log_PercentCop",
        "log_PercentEuph"
      ],
      "rows": 61,
      "table": true,
      "tojson": true
    },
    {
      "name": "hare_lynx",
      "title": "Lynx-Hare dynamics",
      "object": "hare_lynx",
      "class": [
        "data.frame"
      ],
      "fields": [
        "year",
        "hares",
        "lynx"
      ],
      "rows": 21,
      "table": true,
      "tojson": true
    },
    {
      "name": "isle_royale",
      "title": "Isle Royale wolf and moose",
      "object": "isle_royale",
      "class": [
        "data.frame"
      ],
      "fields": [
        "year",
        "wolves",
        "moose"
      ],
      "rows": 61,
      "table": true,
      "tojson": true
    },
    {
      "name": "lake_washington",
      "title": "Lake washington plankton",
      "object": "lake_washington",
      "class": [
        "data.frame"
      ],
      "fields": [
        "Year",
        "Month",
        "Temp",
        "Daphnia",
        "Leptodora",
        "Cryptomonas"
      ],
      "rows": 396,
      "table": true,
      "tojson": true
    },
    {
      "name": "paramesium_didinium",
      "title": "Paramesium-Didinium dynamics",
      "object": "paramesium_didinium",
      "class": [
        "data.frame"
      ],
      "fields": [
        "time",
        "paramecium",
        "didinium"
      ],
      "rows": 71,
      "table": true,
      "tojson": true
    },
    {
      "name": "pdo_departure_bay",
      "title": "Pacific Decadal Oscillation and Departure Bay temperatures",
      "object": "pdo_departure_bay",
      "class": [
        "data.frame"
      ],
      "fields": [
        "year",
        "departure_bay",
        "PDO"
      ],
      "rows": 104,
      "table": true,
      "tojson": true
    },
    {
      "name": "sea_otter",
      "title": "Sea otter trophic cascade",
      "object": "sea_otter",
      "class": [
        "matrix",
        "array"
      ],
      "fields": [
        "year",
        "log_Kelp_CANNERY_DC",
        "Pycno_CANNERY_DC",
        "log_Urchins_CANNERY_DC",
        "log_Otter_Count_CANNERY_DC",
        "log_Kelp_CANNERY_UC",
        "Pycno_CANNERY_UC",
        "log_Urchins_CANNERY_UC",
        "log_Otter_Count_CANNERY_UC",
        "log_Kelp_HOPKINS_DC",
        "Pycno_HOPKINS_DC",
        "log_Urchins_HOPKINS_DC",
        "log_Otter_Count_HOPKINS_DC",
        "log_Kelp_HOPKINS_UC",
        "Pycno_HOPKINS_UC",
        "log_Urchins_HOPKINS_UC",
        "log_Otter_Count_HOPKINS_UC",
        "log_Kelp_LOVERS_DC",
        "Pycno_LOVERS_DC",
        "log_Urchins_LOVERS_DC",
        "log_Otter_Count_LOVERS_DC",
        "log_Kelp_LOVERS_UC",
        "Pycno_LOVERS_UC",
        "log_Urchins_LOVERS_UC",
        "log_Otter_Count_LOVERS_UC",
        "log_Kelp_MACABEE_DC",
        "Pycno_MACABEE_DC",
        "log_Urchins_MACABEE_DC",
        "log_Otter_Count_MACABEE_DC",
        "log_Kelp_MACABEE_UC",
        "Pycno_MACABEE_UC",
        "log_Urchins_MACABEE_UC",
        "log_Otter_Count_MACABEE_UC",
        "log_Kelp_OTTER_PT_DC",
        "Pycno_OTTER_PT_DC",
        "log_Urchins_OTTER_PT_DC",
        "log_Otter_Count_OTTER_PT_DC",
        "log_Kelp_OTTER_PT_UC",
        "Pycno_OTTER_PT_UC",
        "log_Urchins_OTTER_PT_UC",
        "log_Otter_Count_OTTER_PT_UC",
        "log_Kelp_PINOS_CEN",
        "Pycno_PINOS_CEN",
        "log_Urchins_PINOS_CEN",
        "log_Otter_Count_PINOS_CEN",
        "log_Kelp_SIREN_CEN",
        "Pycno_SIREN_CEN",
        "log_Urchins_SIREN_CEN",
        "log_Otter_Count_SIREN_CEN"
      ],
      "rows": 21,
      "table": true,
      "tojson": true
    }
  ],
  "_help": [
    {
      "page": "as_fitted_DAG",
      "title": "Convert output from package dsem to phylopath",
      "topics": [
        "as_fitted_DAG"
      ]
    },
    {
      "page": "bering_sea",
      "title": "Bering Sea marine ecosystem",
      "topics": [
        "bering_sea"
      ]
    },
    {
      "page": "cAIC",
      "title": "Calculate conditional AIC",
      "topics": [
        "cAIC"
      ]
    },
    {
      "page": "classify_variables",
      "title": "Classify variables path",
      "topics": [
        "classify_variables"
      ]
    },
    {
      "page": "convert_equations",
      "title": "Convert equations notation",
      "topics": [
        "convert_equations"
      ]
    },
    {
      "page": "dsem",
      "title": "Fit dynamic structural equation model",
      "topics": [
        "dsem"
      ]
    },
    {
      "page": "dsem_control",
      "title": "Detailed control for dsem structure",
      "topics": [
        "dsem_control"
      ]
    },
    {
      "page": "dsemRTMB",
      "title": "Fit dynamic structural equation model",
      "topics": [
        "dsemRTMB"
      ]
    },
    {
      "page": "hare_lynx",
      "title": "Lynx-Hare dynamics",
      "topics": [
        "hare_lynx"
      ]
    },
    {
      "page": "isle_royale",
      "title": "Isle Royale wolf and moose",
      "topics": [
        "isle_royale"
      ]
    },
    {
      "page": "lake_washington",
      "title": "Lake washington plankton",
      "topics": [
        "lake_washington"
      ]
    },
    {
      "page": "list_parameters",
      "title": "List fixed and random effects",
      "topics": [
        "list_parameters"
      ]
    },
    {
      "page": "logLik.dsem",
      "title": "Marginal log-likelihood",
      "topics": [
        "logLik.dsem"
      ]
    },
    {
      "page": "loo_residuals",
      "title": "Calculate leave-one-out residuals",
      "topics": [
        "loo_residuals"
      ]
    },
    {
      "page": "make_dfa",
      "title": "Make text for dynamic factor analysis",
      "topics": [
        "make_dfa"
      ]
    },
    {
      "page": "make_dsem_ram",
      "title": "Make a RAM (Reticular Action Model)",
      "topics": [
        "make_dsem_ram"
      ]
    },
    {
      "page": "make_matrices",
      "title": "Make path matrices",
      "topics": [
        "make_matrices"
      ]
    },
    {
      "page": "paramesium_didinium",
      "title": "Paramesium-Didinium dynamics",
      "topics": [
        "paramesium_didinium"
      ]
    },
    {
      "page": "parse_path",
      "title": "Parse path",
      "topics": [
        "parse_path"
      ]
    },
    {
      "page": "partition_variance",
      "title": "Partition variance in one variable due to another (EXPERIMENTAL)",
      "topics": [
        "partition_variance"
      ]
    },
    {
      "page": "pdo_departure_bay",
      "title": "Pacific Decadal Oscillation and Departure Bay temperatures",
      "topics": [
        "pdo_departure_bay"
      ]
    },
    {
      "page": "plot.dsem",
      "title": "Simulate dsem",
      "topics": [
        "plot.dsem"
      ]
    },
    {
      "page": "predict.dsem",
      "title": "predictions using dsem",
      "topics": [
        "predict.dsem"
      ]
    },
    {
      "page": "print.dsem",
      "title": "Print fitted dsem object",
      "topics": [
        "print.dsem"
      ]
    },
    {
      "page": "read_model",
      "title": "Make a RAM (Reticular Action Model)",
      "topics": [
        "read_model"
      ]
    },
    {
      "page": "residuals.dsem",
      "title": "Calculate residuals",
      "topics": [
        "residuals.dsem"
      ]
    },
    {
      "page": "rk4sys",
      "title": "Classical Runge-Kutta for system of equations",
      "topics": [
        "rk4sys"
      ]
    },
    {
      "page": "sea_otter",
      "title": "Sea otter trophic cascade",
      "topics": [
        "sea_otter"
      ]
    },
    {
      "page": "simulate.dsem",
      "title": "Simulate dsem",
      "topics": [
        "simulate.dsem"
      ]
    },
    {
      "page": "stepwise_selection",
      "title": "Simulate dsem",
      "topics": [
        "stepwise_selection"
      ]
    },
    {
      "page": "summary.dsem",
      "title": "summarize dsem",
      "topics": [
        "summary.dsem"
      ]
    },
    {
      "page": "test_dsep",
      "title": "Test d-separation",
      "topics": [
        "test_dsep"
      ]
    },
    {
      "page": "TMBAIC",
      "title": "Calculate marginal AIC for a fitted model",
      "topics": [
        "TMBAIC"
      ]
    },
    {
      "page": "total_effect",
      "title": "Calculate total effects",
      "topics": [
        "total_effect"
      ]
    },
    {
      "page": "vcov.dsem",
      "title": "Extract Variance-Covariance Matrix",
      "topics": [
        "vcov.dsem"
      ]
    }
  ],
  "_pkglogo": "https://github.com/james-thorson-noaa/dsem/raw/HEAD/man/figures/logo.png",
  "_readme": "https://github.com/james-thorson-noaa/dsem/raw/HEAD/README.md",
  "_rundeps": [
    "base64enc",
    "cachem",
    "cli",
    "cpp11",
    "dplyr",
    "farver",
    "fastmap",
    "generics",
    "ggforce",
    "ggplot2",
    "ggraph",
    "ggrepel",
    "glue",
    "graphlayouts",
    "gridExtra",
    "gtable",
    "igraph",
    "isoband",
    "jsonlite",
    "labeling",
    "lattice",
    "lifecycle",
    "magrittr",
    "MASS",
    "Matrix",
    "memoise",
    "pillar",
    "pkgconfig",
    "polyclip",
    "purrr",
    "R6",
    "RColorBrewer",
    "Rcpp",
    "RcppArmadillo",
    "RcppEigen",
    "rlang",
    "RTMB",
    "S7",
    "scales",
    "stringi",
    "stringr",
    "systemfonts",
    "tibble",
    "tidygraph",
    "tidyr",
    "tidyselect",
    "TMB",
    "tweenr",
    "utf8",
    "vctrs",
    "viridis",
    "viridisLite",
    "withr"
  ],
  "_sysdeps": [
    {
      "shlib": "libstdc++",
      "package": "libstdc++6",
      "source": "gcc",
      "version": "14.2.0-4ubuntu2~24.04.1",
      "name": "c++",
      "homepage": "http://gcc.gnu.org/",
      "description": "GNU Standard C++ Library v3"
    },
    {
      "shlib": "libgomp",
      "package": "libgomp1",
      "source": "gcc",
      "version": "14.2.0-4ubuntu2~24.04.1",
      "name": "openmp",
      "homepage": "http://gcc.gnu.org/",
      "description": "GCC OpenMP (GOMP) support library"
    }
  ],
  "_vignettes": [
    {
      "source": "features.Rmd",
      "filename": "features.html",
      "title": "Demonstration of selected features",
      "author": "James Thorson",
      "engine": "knitr::rmarkdown",
      "headings": [
        "Comparison with linear models",
        "Comparison with generalized linear models",
        "Comparison with dynamic linear models",
        "Comparison with vector autoregressive models",
        "Multi-causal ecosystem synthesis",
        "Site-replicated trophic cascade",
        "Works cited"
      ],
      "created": "2025-04-08 23:53:50",
      "modified": "2026-05-12 14:27:38",
      "commits": 2
    },
    {
      "source": "model-description.Rmd",
      "filename": "model-description.html",
      "title": "dsem model description",
      "author": "James T. Thorson",
      "engine": "knitr::rmarkdown",
      "headings": [
        "Dynamic structural equation models",
        "Viewpoint 1:  Software interface",
        "Viewpoint 2:  Mathematical details",
        "Measurement errors",
        "Initial conditions and total effects",
        "Constant conditional vs. marginal variance",
        "Reduced rank models",
        "Works cited"
      ],
      "created": "2025-04-08 23:53:50",
      "modified": "2026-05-09 15:45:18",
      "commits": 4
    },
    {
      "source": "nonlinear.Rmd",
      "filename": "nonlinear.html",
      "title": "Nonlinear dynamics",
      "author": "James Thorson",
      "engine": "knitr::rmarkdown",
      "headings": [
        "Nonlinearity"
      ],
      "created": "2026-05-12 14:27:38",
      "modified": "2026-05-12 14:27:38",
      "commits": 1
    },
    {
      "source": "random_slopes.Rmd",
      "filename": "random_slopes.html",
      "title": "Random slopes",
      "author": "James Thorson",
      "engine": "knitr::rmarkdown",
      "headings": [
        "Random slopes models"
      ],
      "created": "2026-05-12 14:27:38",
      "modified": "2026-05-12 14:27:38",
      "commits": 1
    },
    {
      "source": "spatial_diffusion.Rmd",
      "filename": "spatial_diffusion.html",
      "title": "Spatial diffusion",
      "author": "James Thorson",
      "engine": "knitr::rmarkdown",
      "headings": [
        "Approximating diffusive movement among adjacent spatial strata"
      ],
      "created": "2025-02-13 15:38:21",
      "modified": "2026-05-12 14:27:38",
      "commits": 2
    }
  ],
  "_score": 8.108970716879481,
  "_indexed": true,
  "_nocasepkg": "dsem",
  "_universes": [
    "james-thorson-noaa"
  ],
  "_binaries": [
    {
      "r": "4.7.0",
      "os": "linux",
      "version": "2.0.1",
      "date": "2026-05-14T21:23:42.000Z",
      "distro": "noble",
      "arch": "aarch64",
      "commit": "81d3d817cc53284018ff6c3f620bd6d8bbe6ab6c",
      "fileid": "bd790d7df2ab9677c49b66f7a65b937e6860336ec5cd95ae66580f050f30d8af",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/james-thorson-noaa/actions/runs/25885974308"
    },
    {
      "r": "4.7.0",
      "os": "linux",
      "version": "2.0.1",
      "date": "2026-05-14T21:24:03.000Z",
      "distro": "noble",
      "arch": "x86_64",
      "commit": "81d3d817cc53284018ff6c3f620bd6d8bbe6ab6c",
      "fileid": "7a85c074e949e809b62ed45f0c060d446fb53ceee9ddf7e716f5548746a0b45b",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/james-thorson-noaa/actions/runs/25885974308"
    },
    {
      "r": "4.6.0",
      "os": "linux",
      "version": "2.0.1",
      "date": "2026-05-14T21:24:27.000Z",
      "distro": "noble",
      "arch": "aarch64",
      "commit": "81d3d817cc53284018ff6c3f620bd6d8bbe6ab6c",
      "fileid": "86d4f432cd54dd726976f56b036537662cc75a5947de00351753562e97eb5acf",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/james-thorson-noaa/actions/runs/25885974308"
    },
    {
      "r": "4.6.0",
      "os": "linux",
      "version": "2.0.1",
      "date": "2026-05-14T21:23:59.000Z",
      "distro": "noble",
      "arch": "x86_64",
      "commit": "81d3d817cc53284018ff6c3f620bd6d8bbe6ab6c",
      "fileid": "d1ba760c691d05934db79fa4304a8ad6f5323ad7f11c63bf39d98b93cbe47e6f",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/james-thorson-noaa/actions/runs/25885974308"
    },
    {
      "r": "4.5.3",
      "os": "mac",
      "version": "2.0.1",
      "date": "2026-05-14T21:22:21.000Z",
      "arch": "aarch64",
      "commit": "81d3d817cc53284018ff6c3f620bd6d8bbe6ab6c",
      "fileid": "56d072534896902b9dd8f043e42a642264e5da05baedf8c588056aca8be03e20",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/james-thorson-noaa/actions/runs/25885974308"
    },
    {
      "r": "4.5.3",
      "os": "mac",
      "version": "2.0.1",
      "date": "2026-05-14T21:24:10.000Z",
      "arch": "x86_64",
      "commit": "81d3d817cc53284018ff6c3f620bd6d8bbe6ab6c",
      "fileid": "06f961c23f1f395022dcdaa751515004978d23da63f503937b40b1d115a44aae",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/james-thorson-noaa/actions/runs/25885974308"
    },
    {
      "r": "4.6.0",
      "os": "mac",
      "version": "2.0.1",
      "date": "2026-05-14T21:22:34.000Z",
      "arch": "aarch64",
      "commit": "81d3d817cc53284018ff6c3f620bd6d8bbe6ab6c",
      "fileid": "d1afd06fca23002b5fbebba04cc11d8e35e867da539762c181abca277d944dc5",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/james-thorson-noaa/actions/runs/25885974308"
    },
    {
      "r": "4.6.0",
      "os": "mac",
      "version": "2.0.1",
      "date": "2026-05-14T21:30:52.000Z",
      "arch": "x86_64",
      "commit": "81d3d817cc53284018ff6c3f620bd6d8bbe6ab6c",
      "fileid": "fe2baac1bcd3d2ab8d86746cd8a5e5ccc689196df537369d4816a49726e639b2",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/james-thorson-noaa/actions/runs/25885974308"
    },
    {
      "r": "4.7.0",
      "os": "win",
      "version": "2.0.1",
      "date": "2026-05-14T21:22:21.000Z",
      "arch": "x86_64",
      "commit": "81d3d817cc53284018ff6c3f620bd6d8bbe6ab6c",
      "fileid": "21471bca7b0d1eb54815f886a177264bd91afe27ffe8e034ffa00c8c2093d6e1",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/james-thorson-noaa/actions/runs/25885974308"
    },
    {
      "r": "4.5.3",
      "os": "win",
      "version": "2.0.1",
      "date": "2026-05-14T21:22:11.000Z",
      "arch": "x86_64",
      "commit": "81d3d817cc53284018ff6c3f620bd6d8bbe6ab6c",
      "fileid": "e83c6708b8a4e24175066f7e09721a7359a8dccf87c5441a4b8eddc4cd06d6d7",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/james-thorson-noaa/actions/runs/25885974308"
    },
    {
      "r": "4.6.0",
      "os": "win",
      "version": "2.0.1",
      "date": "2026-05-14T21:22:21.000Z",
      "arch": "x86_64",
      "commit": "81d3d817cc53284018ff6c3f620bd6d8bbe6ab6c",
      "fileid": "3f27341e21888f1c49ffddce10b98908c4ceeae43c895b9ee2dd856fbd7148f7",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/james-thorson-noaa/actions/runs/25885974308"
    },
    {
      "r": "4.6.0",
      "os": "wasm",
      "version": "2.0.1",
      "date": "2026-05-22T08:49:38.000Z",
      "arch": "emscripten",
      "commit": "81d3d817cc53284018ff6c3f620bd6d8bbe6ab6c",
      "fileid": "c643c0b74c359ff2e18ee68c2b7c6035ac293411d5367f60321b17068bdf7f6c",
      "status": "success",
      "buildurl": "https://github.com/r-universe/james-thorson-noaa/actions/runs/25885974308"
    }
  ]
}