{ "_id": "6a17eaeaacfb0bcc41da3224", "Package": "GD", "Title": "Geographical Detectors for Assessing Spatial Factors", "Version": "10.10", "Authors@R": "c(\nperson(given = \"Yongze\", family = \"Song\",\nemail = \"yongze.song@outlook.com\",\nrole = c(\"aut\", \"cph\"),\ncomment = c(ORCID = \"0000-0003-3420-9622\")),\nperson(given = \"Wenbo\", family = \"Lyu\",\nemail = \"lyu.geosocial@gmail.com\",\nrole = c(\"aut\", \"cre\"),\ncomment = c(ORCID = \"0009-0002-6003-3800\"))\n)", "Description": "Geographical detectors for measuring spatial stratified\nheterogeneity, as described in Jinfeng Wang (2010)\n and Jinfeng Wang (2016)\n. Includes the optimal\ndiscretization of continuous data, four primary functions of\ngeographical detectors, comparison of size effects of spatial\nunit and the visualizations of results. To use the package and\nto refer the descriptions of the package, methods and case\ndatasets, please cite Yongze Song (2020)\n. The model has been applied\nin factor exploration of road performance and multi-scale\nspatial segmentation for network data, as described in Yongze\nSong (2018) and Yongze Song (2020)\n, respectively.", "License": "GPL-3", "Encoding": "UTF-8", "Roxygen": "list(markdown = TRUE)", "RoxygenNote": "7.3.3", "URL": "https://github.com/ausgis/GD, https://ausgis.github.io/GD/", "BugReports": "https://github.com/ausgis/GD/issues", "LazyData": "true", "VignetteBuilder": "knitr", "Repository": "https://ausgis.r-universe.dev", "Date/Publication": "2026-02-27 12:09:19 UTC", "RemoteUrl": "https://github.com/ausgis/GD", "RemoteRef": "HEAD", "RemoteSha": "b3b895d3e0cee7d3fffa9253229095e0437c4099", "NeedsCompilation": "no", "Packaged": { "Date": "2026-05-28 07:04:03 UTC", "User": "root" }, "Author": "Yongze Song [aut, cph] (ORCID: ),\nWenbo Lyu [aut, cre] (ORCID: )", "Maintainer": "Wenbo Lyu ", "MD5sum": "7a01760a3e77379e2f1f71aa4d51a748", "_user": "ausgis", "_type": "src", "_file": "GD_10.10.tar.gz", "_fileid": "0a62735d707b1f13be5b38247977b4ff717320954194e60d68b675c46ff314ec", "_filesize": 2176235, "_sha256": "0a62735d707b1f13be5b38247977b4ff717320954194e60d68b675c46ff314ec", "_created": "2026-05-28T07:04:03.000Z", "_published": "2026-05-28T07:12:42.376Z", "_distro": "noble", "_jobs": [ { "job": 78240574992, "time": 124, "config": "linux-devel-x86_64", "r": "4.7.0", "check": "OK", "artifact": "7259701440" }, { "job": 78240574933, "time": 142, "config": "linux-release-x86_64", "r": "4.6.0", "check": "OK", "artifact": "7259706581" }, { "job": 78240574941, "time": 79, "config": "macos-oldrel-arm64", "r": "4.5.3", "check": "OK", "artifact": "7259788259" }, { "job": 78240574885, "time": 102, "config": "macos-release-arm64", "r": "4.6.0", "check": "OK", "artifact": "7259795113" }, { "job": 78240126596, "time": 201, "config": "source", "r": "4.6.0", "check": "OK", "artifact": "7259669217" }, { "job": 78240574888, "time": 120, "config": "wasm-release", "r": "4.6.0", "check": "OK", "artifact": "7259700583" }, { "job": 78240574893, "time": 83, "config": "windows-devel", "r": "4.7.0", "check": "OK", "artifact": "7259691452" }, { "job": 78240574949, "time": 91, "config": "windows-oldrel", "r": "4.5.3", "check": "OK", "artifact": "7259693134" }, { "job": 78240574913, "time": 91, "config": "windows-release", "r": "4.6.0", "check": "OK", "artifact": "7259693023" } ], "_buildurl": "https://github.com/r-universe/ausgis/actions/runs/26559884351", "_status": "success", "_host": "GitHub-Actions", "_upstream": "https://github.com/ausgis/GD", "_commit": { "id": "b3b895d3e0cee7d3fffa9253229095e0437c4099", "author": "Wenbo LYU ", "committer": "GitHub ", "message": "Merge pull request #10 from ausgis/dev\n\nclean cran comments file", "time": 1772194159 }, "_maintainer": { "name": "Wenbo Lyu", "email": "lyu.geosocial@gmail.com", "login": "spatlyu", "uuid": 118346681 }, "_registered": true, "_dependencies": [ { "package": "R", "version": ">= 4.1.0", "role": "Depends" }, { "package": "BAMMtools", "role": "Imports" }, { "package": "graphics", "role": "Imports" }, { "package": "stats", "role": "Imports" }, { "package": "utils", "role": "Imports" }, { "package": "gdverse", "version": ">= 1.6", "role": "Suggests" }, { "package": "knitr", "role": "Suggests" }, { "package": "rmarkdown", "role": "Suggests" }, { "package": "spEDM", "version": ">= 1.11", "role": "Suggests" } ], "_owner": "ausgis", "_selfowned": true, "_usedby": 0, "_updates": [ { "week": "2025-23", "n": 1 }, { "week": "2025-39", "n": 1 }, { "week": "2026-09", "n": 7 } ], "_tags": [ { "name": "v10.9", "date": "2026-02-27" } ], "_topics": [ "geographical-detector", "spatial-stratified-heterogeneity" ], "_stars": 16, "_contributors": [ { "user": "spatlyu", "count": 99, "uuid": 118346681 } ], "_userbio": { "uuid": 176667309, "type": "organization", "name": "Geospatial Intelligence Lab", "description": "Geospatial Intelligence for Sustainable Infrastructure and Industry" }, "_downloads": { "count": 3146, "source": "https://cranlogs.r-pkg.org/downloads/total/last-month/GD" }, "_mentions": 55, "_devurl": "https://github.com/ausgis/gd", "_pkgdown": "https://ausgis.github.io/GD/", "_searchresults": 59, "_rbuild": "4.6.0", "_assets": [ "extra/citation.cff", "extra/citation.html", "extra/citation.json", "extra/citation.txt", "extra/contents.json", "extra/GD.html", "extra/NEWS.html", "extra/NEWS.txt", "extra/readme.html", "extra/readme.md", "manual.pdf" ], "_homeurl": "https://github.com/ausgis/gd", "_realowner": "ausgis", "_cranurl": true, "_releases": [ { "version": "1.0", "date": "2018-01-03" }, { "version": "1.1", "date": "2018-01-12" }, { "version": "1.2", "date": "2018-02-22" }, { "version": "1.3", "date": "2018-03-16" }, { "version": "1.4", "date": "2018-05-02" }, { "version": "1.5", "date": "2018-05-15" }, { "version": "1.6", "date": "2018-07-02" }, { "version": "1.7", "date": "2019-08-21" }, { "version": "1.8", "date": "2020-05-28" }, { "version": "1.9", "date": "2020-06-29" }, { "version": "1.10", "date": "2021-04-27" }, { "version": "10.2", "date": "2023-08-21" }, { "version": "10.3", "date": "2023-09-18" }, { "version": "10.5", "date": "2024-10-17" }, { "version": "10.6", "date": "2024-10-30" }, { "version": "10.8", "date": "2024-11-20" }, { "version": "10.9", "date": "2026-02-27" } ], "_exports": [ "disc", "gd", "gdeco", "gdinteract", "gdm", "gdrisk", "optidisc", "riskmean", "sesu", "v2m" ], "_datasets": [ { "name": "h1n1_100", "title": "Spatial datasets of H1N1 flu incidences", "object": "h1n1_100", "class": [ "data.frame" ], "fields": [ "H1N1", "temp", "prec", "humi", "popd", "gdpd", "rdds", "sensepop", "urbanpop", "medicost", "Georegion" ], "rows": 987, "table": true, "tojson": true }, { "name": "h1n1_150", "title": "Spatial datasets of H1N1 flu incidences", "object": "h1n1_150", "class": [ "data.frame" ], "fields": [ "H1N1", "temp", "prec", "humi", "popd", "gdpd", "rdds", "sensepop", "urbanpop", "medicost", "Georegion" ], "rows": 443, "table": true, "tojson": true }, { "name": "h1n1_50", "title": "Spatial datasets of H1N1 flu incidences", "object": "h1n1_50", "class": [ "data.frame" ], "fields": [ "H1N1", "temp", "prec", "humi", "popd", "gdpd", "rdds", "sensepop", "urbanpop", "medicost", "Georegion" ], "rows": 3977, "table": true, "tojson": true }, { "name": "ndvi_10", "title": "Spatial datasets of vegetation index changes.", "object": "ndvi_10", "class": [ "data.frame" ], "fields": [ "NDVIchange", "Climatezone", "Mining", "Tempchange", "Precipitation", "GDP", "Popdensity" ], "rows": 11567, "table": true, "tojson": true }, { "name": "ndvi_20", "title": "Spatial datasets of vegetation index changes.", "object": "ndvi_20", "class": [ "data.frame" ], "fields": [ "NDVIchange", "Climatezone", "Mining", "Tempchange", "Precipitation", "GDP", "Popdensity" ], "rows": 2892, "table": true, "tojson": true }, { "name": "ndvi_30", "title": "Spatial datasets of vegetation index changes.", "object": "ndvi_30", "class": [ "data.frame" ], "fields": [ "NDVIchange", "Climatezone", "Mining", "Tempchange", "Precipitation", "GDP", "Popdensity" ], "rows": 1290, "table": true, "tojson": true }, { "name": "ndvi_40", "title": "Spatial datasets of vegetation index changes.", "object": "ndvi_40", "class": [ "data.frame" ], "fields": [ "NDVIchange", "Climatezone", "Mining", "Tempchange", "Precipitation", "GDP", "Popdensity" ], "rows": 713, "table": true, "tojson": true }, { "name": "ndvi_5", "title": "Spatial datasets of vegetation index changes.", "object": "ndvi_5", "class": [ "data.frame" ], "fields": [ "NDVIchange", "Climatezone", "Mining", "Tempchange", "Precipitation", "GDP", "Popdensity" ], "rows": 46295, "table": true, "tojson": true }, { "name": "ndvi_50", "title": "Spatial datasets of vegetation index changes.", "object": "ndvi_50", "class": [ "data.frame" ], "fields": [ "NDVIchange", "Climatezone", "Mining", "Tempchange", "Precipitation", "GDP", "Popdensity" ], "rows": 469, "table": true, "tojson": true } ], "_help": [ { "page": "disc", "title": "Generates discretization parameters for continuous data.", "topics": [ "disc" ] }, { "page": "gd", "title": "Geographical detectors: factor detector.", "topics": [ "gd", "plot.gd", "print.gd" ] }, { "page": "gdeco", "title": "Geographical detectors: ecological detector.", "topics": [ "gdeco", "plot.gdeco", "print.gdeco" ] }, { "page": "gdinteract", "title": "Geographical detectors: interaction detector.", "topics": [ "gdinteract", "plot.gdinteract", "print.gdinteract" ] }, { "page": "gdm", "title": "Geographical detectors: a one-step function.", "topics": [ "gdm", "plot.gdm", "print.gdm" ] }, { "page": "gdrisk", "title": "Geographical detectors: risk detector.", "topics": [ "gdrisk", "plot.gdrisk", "print.gdrisk" ] }, { "page": "H1N1", "title": "Spatial datasets of H1N1 flu incidences", "topics": [ "H1N1", "h1n1_100", "h1n1_150", "h1n1_50" ] }, { "page": "NDVI", "title": "Spatial datasets of vegetation index changes.", "topics": [ "NDVI", "ndvi_10", "ndvi_20", "ndvi_30", "ndvi_40", "ndvi_5", "ndvi_50" ] }, { "page": "optidisc", "title": "Optimal discretization for continuous variables and visualization.", "topics": [ "optidisc", "plot.optidisc", "print.optidisc" ] }, { "page": "riskmean", "title": "Geographical detectors: risk means in risk detector.", "topics": [ "plot.riskmean", "print.riskmean", "riskmean" ] }, { "page": "sesu", "title": "Comparison of size effects of spatial units.", "topics": [ "sesu" ] }, { "page": "v2m", "title": "Converts a vector to a lower triangular matrix.", "topics": [ "v2m" ] } ], "_pkglogo": "https://github.com/ausgis/GD/raw/HEAD/man/figures/logo.png", "_readme": "https://github.com/ausgis/GD/raw/HEAD/README.md", "_rundeps": [ "ape", "BAMMtools", "bitops", "caTools", "digest", "gplots", "gtools", "KernSmooth", "lattice", "nlme", "Rcpp" ], "_vignettes": [ { "source": "GD.Rmd", "filename": "GD.html", "title": "Optimal Parameters-based Geographical Detectors (OPGD) Model for Spatial Heterogeneity Analysis and Factor Exploration", "author": "Yongze Song", "engine": "knitr::rmarkdown", "headings": [ "Citation for package GD", "Authors’ affiliations", "1. Introduction to GD package", "1.1 The model can be used to address following issues:", "1.2 The GD package makes following steps fast and easy:", "1.3 Start from the one-step function: gdm (Highly Recommended)", "1.4 Advanced models", "2. Geographical detector model", "3. Spatial data discretization", "3.1 Discretization with given parameters: disc", "3.2 Optimal discretization: optidisc", "4. Geographical detectors", "4.1 Factor detector: gd", "4.2 Risk detector: riskmean and gdrisk", "4.3 Interaction detector: gdinteract", "4.4 Ecological detector: gdeco", "5. Comparison of size effects of spatial unit", "Reference" ], "created": "2024-10-17 13:36:00", "modified": "2026-02-27 04:52:44", "commits": 8 } ], "_score": 7.648821971641018, "_indexed": true, "_nocasepkg": "gd", "_universes": [ "ausgis", "spatlyu" ], "_binaries": [ { "r": "4.7.0", "os": "linux", "version": "10.10", "date": "2026-05-28T07:06:07.000Z", "distro": "noble", "commit": "b3b895d3e0cee7d3fffa9253229095e0437c4099", "fileid": "7fdc0d4e48f4612c86a60a53232f7ec4057e63eb587528059c6d69c8c51f31ab", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/ausgis/actions/runs/26559884351" }, { "r": "4.6.0", "os": "linux", "version": "10.10", "date": "2026-05-28T07:06:27.000Z", "distro": "noble", "commit": "b3b895d3e0cee7d3fffa9253229095e0437c4099", "fileid": "d1fbd8d68ff0962ad7a71e221a5f2274a9b706778bdf85677947a086e222f0fe", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/ausgis/actions/runs/26559884351" }, { "r": "4.5.3", "os": "mac", "version": "10.10", "date": "2026-05-28T07:11:47.000Z", "commit": "b3b895d3e0cee7d3fffa9253229095e0437c4099", "fileid": "2d613669f4f24736901baa6a443b2fb811b15cc08cebb55a71a81ec6012e67e0", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/ausgis/actions/runs/26559884351" }, { "r": "4.6.0", "os": "mac", "version": "10.10", "date": "2026-05-28T07:12:09.000Z", "commit": "b3b895d3e0cee7d3fffa9253229095e0437c4099", "fileid": "432968760829ad6fa71b6167bfbbacf392bfd82dacc0bd4be6f6cddf7ec1395f", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/ausgis/actions/runs/26559884351" }, { "r": "4.6.0", "os": "wasm", "version": "10.10", "date": "2026-05-28T07:06:19.000Z", "commit": "b3b895d3e0cee7d3fffa9253229095e0437c4099", "fileid": "653be8b1dc9cf6d22824d011bd3e9d946a6a169c2f34d8d8592021b077e9c077", "status": "success", "buildurl": "https://github.com/r-universe/ausgis/actions/runs/26559884351" }, { "r": "4.7.0", "os": "win", "version": "10.10", "date": "2026-05-28T07:05:24.000Z", "commit": "b3b895d3e0cee7d3fffa9253229095e0437c4099", "fileid": "50655174c6dee7f56a8612bbde0c55108a58b96804ac74803e6fd1c1d31e394d", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/ausgis/actions/runs/26559884351" }, { "r": "4.5.3", "os": "win", "version": "10.10", "date": "2026-05-28T07:05:32.000Z", "commit": "b3b895d3e0cee7d3fffa9253229095e0437c4099", "fileid": "b8422350e71fb31fab670c9de95ca5ab1563631734cf4bf88a24d76e614347ef", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/ausgis/actions/runs/26559884351" }, { "r": "4.6.0", "os": "win", "version": "10.10", "date": "2026-05-28T07:05:28.000Z", "commit": "b3b895d3e0cee7d3fffa9253229095e0437c4099", "fileid": "a1a94cb6278978693cd547e89bb961c1311489eb96348df3f6d6a8d2a58310fd", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/ausgis/actions/runs/26559884351" } ] }