{
  "_id": "6a1f2a73b401979e734248a6",
  "Package": "AQEval",
  "Title": "Air Quality Evaluation",
  "Version": "0.6.12",
  "Date": "2026-05-15",
  "Description": "Developed for use by those tasked with the routine\ndetection, characterisation and quantification of discrete\nchanges in air quality time-series, such as identifying the\nimpacts of air quality policy interventions. The main functions\nuse signal isolation then break-point/segment (BP/S) methods\nbased on 'strucchange' and 'segmented' methods to detect and\nquantify change events (Ropkins & Tate, 2021,\n<doi:10.1016/j.scitotenv.2020.142374>; Ropkins et al., 2026,\n<doi:10.21105/joss.08839>).",
  "Authors@R": "c(person(given = \"Karl\", family = \"Ropkins\", role = c(\"aut\", \"cre\"), email =\n\"k.ropkins@its.leeds.ac.uk\", comment = c(ORCID = \"0000-0002-0294-6997\")), person(given =\n\"Anthony\", family = \"Walker\", role = c(\"aut\"), email = \"anthony.walker@defra.gov.uk\", comment =\nc(ORCID = \"0000-0003-3979-0989\")), person(given = \"James\", family = \"Tate\", role = c(\"aut\"),\nemail = \"j.e.tate@its.leeds.ac.uk\", comment = c(ORCID = \"0000-0003-1646-6852\")))",
  "Maintainer": "Karl Ropkins <k.ropkins@its.leeds.ac.uk>",
  "License": "GPL (>= 3)",
  "Encoding": "UTF-8",
  "LazyData": "true",
  "RoxygenNote": "7.3.3",
  "URL": "https://github.com/karlropkins/AQEval,\nhttps://karlropkins.github.io/AQEval/",
  "BugReports": "https://github.com/karlropkins/AQEval/issues",
  "Config/pak/sysreqs": "libgdal-dev gdal-bin libgeos-dev make default-jdk\nlibicu-dev libjpeg-dev libpng-dev libxml2-dev libssl-dev\nlibproj-dev libsqlite3-dev libx11-dev",
  "Repository": "https://karlropkins.r-universe.dev",
  "Date/Publication": "2026-05-15 13:27:42 UTC",
  "RemoteUrl": "https://github.com/karlropkins/aqeval",
  "RemoteRef": "HEAD",
  "RemoteSha": "eccaecebdf90e3e65af77f6e876afe12395a0baa",
  "NeedsCompilation": "no",
  "Packaged": {
    "Date": "2026-05-15 14:16:50 UTC",
    "User": "root"
  },
  "Author": "Karl Ropkins [aut, cre] (ORCID:\n<https://orcid.org/0000-0002-0294-6997>),\nAnthony Walker [aut] (ORCID: <https://orcid.org/0000-0003-3979-0989>),\nJames Tate [aut] (ORCID: <https://orcid.org/0000-0003-1646-6852>)",
  "MD5sum": "0608c1eb3119dfe56a11a68ddd97eea3",
  "_user": "karlropkins",
  "_type": "src",
  "_file": "AQEval_0.6.12.tar.gz",
  "_fileid": "1ffb313d50e9309eed2e8d09d552eaf172e9aff5cac123786875b09f073b1731",
  "_filesize": 729766,
  "_sha256": "1ffb313d50e9309eed2e8d09d552eaf172e9aff5cac123786875b09f073b1731",
  "_created": "2026-05-15T14:16:50.000Z",
  "_published": "2026-06-02T19:09:39.464Z",
  "_distro": "noble",
  "_jobs": [
    {
      "job": 79151011279,
      "time": 182,
      "config": "linux-devel-x86_64",
      "r": "4.7.0",
      "check": "OK",
      "artifact": "7019145956"
    },
    {
      "job": 79151011115,
      "time": 179,
      "config": "linux-release-x86_64",
      "r": "4.6.0",
      "check": "OK",
      "artifact": "7019144687"
    },
    {
      "job": 79151011101,
      "time": 312,
      "config": "macos-oldrel-arm64",
      "r": "4.5.3",
      "check": "OK",
      "artifact": "7019176290"
    },
    {
      "job": 79151011253,
      "time": 178,
      "config": "macos-release-arm64",
      "r": "4.6.0",
      "check": "OK",
      "artifact": "7019136593"
    },
    {
      "job": 79151010327,
      "time": 200,
      "config": "source",
      "r": "4.6.0",
      "check": "OK",
      "artifact": "7019084984"
    },
    {
      "job": 79151010051,
      "time": 139,
      "config": "wasm-release",
      "r": "4.6.0",
      "check": "OK",
      "artifact": "7367352973"
    },
    {
      "job": 79151010912,
      "time": 109,
      "config": "windows-devel",
      "r": "4.7.0",
      "check": "OK",
      "artifact": "7019121963"
    },
    {
      "job": 79151010877,
      "time": 110,
      "config": "windows-oldrel",
      "r": "4.5.3",
      "check": "OK",
      "artifact": "7019121746"
    },
    {
      "job": 79151011282,
      "time": 117,
      "config": "windows-release",
      "r": "4.6.0",
      "check": "OK",
      "artifact": "7019124052"
    }
  ],
  "_buildurl": "https://github.com/r-universe/karlropkins/actions/runs/25922575674",
  "_status": "success",
  "_host": "GitHub-Actions",
  "_upstream": "https://github.com/karlropkins/aqeval",
  "_commit": {
    "id": "eccaecebdf90e3e65af77f6e876afe12395a0baa",
    "author": "karlropkins <k.ropkins@its.leeds.ac.uk>",
    "committer": "karlropkins <k.ropkins@its.leeds.ac.uk>",
    "message": "web update\n",
    "time": 1778851662
  },
  "_maintainer": {
    "name": "Karl Ropkins",
    "email": "k.ropkins@its.leeds.ac.uk",
    "login": "karlropkins",
    "uuid": 22469070,
    "orcid": "0000-0002-0294-6997"
  },
  "_registered": true,
  "_dependencies": [
    {
      "package": "R",
      "version": ">= 3.5.0",
      "role": "Depends"
    },
    {
      "package": "openair",
      "role": "Imports"
    },
    {
      "package": "dplyr",
      "version": ">= 1.1.0",
      "role": "Imports"
    },
    {
      "package": "loa",
      "role": "Imports"
    },
    {
      "package": "ggplot2",
      "role": "Imports"
    },
    {
      "package": "strucchange",
      "role": "Imports"
    },
    {
      "package": "segmented",
      "role": "Imports"
    },
    {
      "package": "mgcv",
      "role": "Imports"
    },
    {
      "package": "tidyr",
      "role": "Imports"
    },
    {
      "package": "lubridate",
      "role": "Imports"
    },
    {
      "package": "purrr",
      "role": "Imports"
    },
    {
      "package": "ggtext",
      "role": "Imports"
    },
    {
      "package": "stats",
      "role": "Imports"
    },
    {
      "package": "data.table",
      "role": "Imports"
    },
    {
      "package": "tinytest",
      "role": "Suggests"
    }
  ],
  "_owner": "karlropkins",
  "_selfowned": true,
  "_usedby": 0,
  "_updates": [
    {
      "week": "2025-23",
      "n": 62
    },
    {
      "week": "2025-28",
      "n": 3
    },
    {
      "week": "2025-46",
      "n": 1
    },
    {
      "week": "2025-48",
      "n": 5
    },
    {
      "week": "2025-49",
      "n": 1
    },
    {
      "week": "2026-03",
      "n": 5
    },
    {
      "week": "2026-05",
      "n": 12
    },
    {
      "week": "2026-06",
      "n": 3
    },
    {
      "week": "2026-07",
      "n": 3
    },
    {
      "week": "2026-09",
      "n": 2
    },
    {
      "week": "2026-13",
      "n": 5
    },
    {
      "week": "2026-14",
      "n": 1
    },
    {
      "week": "2026-20",
      "n": 2
    }
  ],
  "_tags": [
    {
      "name": "AQEval_v067",
      "date": "2026-01-31"
    }
  ],
  "_stars": 10,
  "_contributors": [
    {
      "user": "karlropkins",
      "count": 210,
      "uuid": 22469070
    },
    {
      "user": "airqualityanthony",
      "count": 3,
      "uuid": 45573448
    }
  ],
  "_userbio": {
    "uuid": 22469070,
    "type": "user",
    "name": "Karl Ropkins",
    "description": "Senior Research Fellow; University of Leeds, Faculty of Environment, Transport Studies; Instrument and software developer.  "
  },
  "_downloads": {
    "count": 341,
    "source": "https://cranlogs.r-pkg.org/downloads/total/last-month/AQEval"
  },
  "_devurl": "https://github.com/karlropkins/aqeval",
  "_pkgdown": "https://karlropkins.github.io/AQEval/",
  "_searchresults": 4,
  "_topics": [
    "openjdk"
  ],
  "_rbuild": "4.6.0",
  "_assets": [
    "extra/AQEval.html",
    "extra/citation.cff",
    "extra/citation.html",
    "extra/citation.json",
    "extra/citation.txt",
    "extra/contents.json",
    "extra/NEWS.html",
    "extra/NEWS.txt",
    "extra/readme.html",
    "extra/readme.md",
    "manual.pdf"
  ],
  "_homeurl": "https://github.com/karlropkins/aqeval",
  "_realowner": "karlropkins",
  "_cranurl": true,
  "_releases": [
    {
      "version": "0.4.5",
      "date": "2022-04-14"
    },
    {
      "version": "0.5.2",
      "date": "2023-02-23"
    },
    {
      "version": "0.5.7",
      "date": "2024-04-03"
    },
    {
      "version": "0.6.0",
      "date": "2025-01-09"
    },
    {
      "version": "0.6.2",
      "date": "2025-07-14"
    },
    {
      "version": "0.6.11",
      "date": "2026-03-27"
    }
  ],
  "_exports": [
    "calcDateRangeStat",
    "calcRollingDateRangeStat",
    "findBreakPoints",
    "findNearLatLon",
    "findNearSites",
    "fitNearSiteModel",
    "isolateContribution",
    "quantBreakPoints",
    "quantBreakSegments",
    "spectralFrequency",
    "testBreakPoints"
  ],
  "_datasets": [
    {
      "name": "aq.data",
      "title": "AQEval Example data",
      "object": "aq.data",
      "class": [
        "tbl_df",
        "tbl",
        "data.frame"
      ],
      "fields": [
        "date",
        "no2",
        "bg.no2",
        "ws",
        "wd",
        "air_temp"
      ],
      "rows": 26280,
      "table": true,
      "tojson": true
    }
  ],
  "_help": [
    {
      "page": "AQEval-package",
      "title": "Air Quality Evaluation",
      "topics": [
        "AQEval-package",
        "\"_PACKAGE\"",
        "AQEval"
      ]
    },
    {
      "page": "AQEval.data",
      "title": "AQEval Example data",
      "topics": [
        "aq.data",
        "AQEval.data"
      ]
    },
    {
      "page": "calculate.stats",
      "title": "Some functions to calculate statistics",
      "topics": [
        "calcDateRangeStat",
        "calcRollingDateRangeStat",
        "calculate.stats"
      ]
    },
    {
      "page": "find.breaks",
      "title": "find and test break-points",
      "topics": [
        "find.breaks",
        "findBreakPoints",
        "testBreakPoints"
      ]
    },
    {
      "page": "find.near",
      "title": "find nearby sites",
      "topics": [
        "find.near",
        "findNearLatLon",
        "findNearSites"
      ]
    },
    {
      "page": "isolate.signal",
      "title": "isolateContribution",
      "topics": [
        "isolate.signal",
        "isolateContribution"
      ]
    },
    {
      "page": "fitNearSiteModel",
      "title": "Other Air Quality Models",
      "topics": [
        "fitNearSiteModel",
        "other.aq.models"
      ]
    },
    {
      "page": "quantify.breaks",
      "title": "quantify break-point/segments",
      "topics": [
        "quantBreakPoints",
        "quantBreakSegments",
        "quantify.breaks"
      ]
    },
    {
      "page": "spectral.analysis",
      "title": "Spectral Analysis",
      "topics": [
        "spectral.analysis",
        "spectralFrequency"
      ]
    }
  ],
  "_pkglogo": "https://github.com/karlropkins/aqeval/raw/HEAD/man/figures/logo.png",
  "_readme": "https://github.com/karlropkins/aqeval/raw/HEAD/README.md",
  "_rundeps": [
    "bit",
    "bit64",
    "cli",
    "clipr",
    "cluster",
    "commonmark",
    "cpp11",
    "crayon",
    "curl",
    "data.table",
    "dplyr",
    "farver",
    "generics",
    "ggplot2",
    "ggtext",
    "glue",
    "gridtext",
    "gtable",
    "hms",
    "isoband",
    "jpeg",
    "labeling",
    "lattice",
    "lifecycle",
    "litedown",
    "loa",
    "lubridate",
    "magrittr",
    "markdown",
    "MASS",
    "Matrix",
    "mgcv",
    "nlme",
    "openair",
    "OpenStreetMap",
    "patchwork",
    "pillar",
    "pkgconfig",
    "plyr",
    "png",
    "prettyunits",
    "progress",
    "purrr",
    "R6",
    "raster",
    "RColorBrewer",
    "Rcpp",
    "readr",
    "RgoogleMaps",
    "rJava",
    "rlang",
    "S7",
    "sandwich",
    "scales",
    "segmented",
    "sp",
    "stringi",
    "stringr",
    "strucchange",
    "terra",
    "tibble",
    "tidyr",
    "tidyselect",
    "timechange",
    "tzdb",
    "utf8",
    "vctrs",
    "viridisLite",
    "vroom",
    "withr",
    "xfun",
    "xml2",
    "zoo"
  ],
  "_sysdeps": [
    {
      "shlib": "libjvm",
      "package": "openjdk-21-jre-headless",
      "headers": "openjdk-21-jre-headless",
      "source": "openjdk",
      "version": "21.0.10+7-1~24.04",
      "name": "openjdk",
      "homepage": "https://openjdk.java.net/",
      "description": "OpenJDK Java runtime, using Hotspot JIT (headless)"
    }
  ],
  "_score": 4.812913356642856,
  "_indexed": true,
  "_nocasepkg": "aqeval",
  "_universes": [
    "karlropkins"
  ],
  "_binaries": [
    {
      "r": "4.7.0",
      "os": "linux",
      "version": "0.6.12",
      "date": "2026-05-15T14:19:32.000Z",
      "distro": "noble",
      "commit": "eccaecebdf90e3e65af77f6e876afe12395a0baa",
      "fileid": "fe0daf89f6fe27bc618840edb1697490629fc872f478ab2c9a05aa843c4f7f7a",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/karlropkins/actions/runs/25922575674"
    },
    {
      "r": "4.6.0",
      "os": "linux",
      "version": "0.6.12",
      "date": "2026-05-15T14:19:31.000Z",
      "distro": "noble",
      "commit": "eccaecebdf90e3e65af77f6e876afe12395a0baa",
      "fileid": "521acddaaba47310af5dd569111107756c9b88f7ddc3542fe73cc734058a8690",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/karlropkins/actions/runs/25922575674"
    },
    {
      "r": "4.5.3",
      "os": "mac",
      "version": "0.6.12",
      "date": "2026-05-15T14:20:44.000Z",
      "commit": "eccaecebdf90e3e65af77f6e876afe12395a0baa",
      "fileid": "f6359c72db136144c6a98ddf7d0e9cece850258cbb43d1b1f8c9a425a853be7e",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/karlropkins/actions/runs/25922575674"
    },
    {
      "r": "4.6.0",
      "os": "mac",
      "version": "0.6.12",
      "date": "2026-05-15T14:19:16.000Z",
      "commit": "eccaecebdf90e3e65af77f6e876afe12395a0baa",
      "fileid": "fe126f8bb2b1b6ebba0c4b72d5e75c91c57ae7232ec93046218c109a6d34bb50",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/karlropkins/actions/runs/25922575674"
    },
    {
      "r": "4.7.0",
      "os": "win",
      "version": "0.6.12",
      "date": "2026-05-15T14:18:19.000Z",
      "commit": "eccaecebdf90e3e65af77f6e876afe12395a0baa",
      "fileid": "43ddc9040e84614eaae47d122b750d04e789cc86fb2e2a3add8e0d2f4f612e15",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/karlropkins/actions/runs/25922575674"
    },
    {
      "r": "4.5.3",
      "os": "win",
      "version": "0.6.12",
      "date": "2026-05-15T14:18:16.000Z",
      "commit": "eccaecebdf90e3e65af77f6e876afe12395a0baa",
      "fileid": "17db4f18decaa272647929984640400ce94b6e5298269dc84eb172134196ec41",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/karlropkins/actions/runs/25922575674"
    },
    {
      "r": "4.6.0",
      "os": "win",
      "version": "0.6.12",
      "date": "2026-05-15T14:18:25.000Z",
      "commit": "eccaecebdf90e3e65af77f6e876afe12395a0baa",
      "fileid": "05153c13cfa48d7933b252b8a7131de3b44fe4085e3d96be15e390ab3d94216e",
      "status": "success",
      "check": "OK",
      "buildurl": "https://github.com/r-universe/karlropkins/actions/runs/25922575674"
    },
    {
      "r": "4.6.0",
      "os": "wasm",
      "version": "0.6.12",
      "date": "2026-06-02T19:09:22.000Z",
      "commit": "eccaecebdf90e3e65af77f6e876afe12395a0baa",
      "fileid": "33014a87dd2df34e660623f18a037674022dcfdebe5f4e5597cc6a9983768209",
      "status": "success",
      "buildurl": "https://github.com/r-universe/karlropkins/actions/runs/25922575674"
    }
  ]
}