{ "_id": "6ad0b3d6f55ded6d77dfa6d4", "Package": "SPIChanges", "Title": "Improves the Interpretation of the Standardized Precipitation\nIndex Under Changing Climate Conditions", "Version": "0.3.0", "Authors@R": "c(\nperson(\"Gabriel Constantino\", \"Blain\", , \"gabriel.blain@sp.gov.br\", role = c(\"aut\", \"cre\"),\ncomment = c(ORCID = \"0000-0001-8832-7734\")),\nperson(\"Graciela R.\", \"Sobierajski\", role = \"aut\",\ncomment = c(ORCID = \"0000-0002-7211-9268\")),\nperson(\"Leticia L.\", \"Martins\", role = \"aut\",\ncomment = c(ORCID = \"0000-0002-0299-3005\")),\nperson(\"Adam H.\", \"Sparks\", , \"adamhsparks@gmail.com\", role = \"aut\",\ncomment = c(ORCID = \"0000-0002-0061-8359\"))\n)", "Description": "Improves the interpretation of the Standardized\nPrecipitation Index under changing climate conditions. The\npackage uses the nonstationary approach proposed in Blain et\nal. (2022) to detect trends in rainfall\nquantities and to quantify the effect of such trends on the\nprobability of a drought event occurring.", "License": "MIT + file LICENSE", "URL": "https://github.com/gabrielblain/SPIChanges", "BugReports": "https://github.com/gabrielblain/SPIChanges/issues", "VignetteBuilder": "knitr", "Config/roxyglobals/filename": "globals.R", "Config/roxyglobals/unique": "FALSE", "Config/testthat/edition": "3", "Encoding": "UTF-8", "Language": "en-US", "LazyData": "true", "Roxygen": "list(markdown = TRUE, roclets = c(\"collate\", \"namespace\",\n\"rd\", \"roxyglobals::global_roclet\"))", "Config/roxygen2/version": "8.1.0", "Repository": "https://gabrielblain.r-universe.dev", "Date/Publication": "2026-09-15 09:05:18 UTC", "RemoteUrl": "https://github.com/gabrielblain/spichanges", "RemoteRef": "HEAD", "RemoteSha": "d3c5ad471e93d65deb76cb5cbbbc2c94a6d68949", "NeedsCompilation": "no", "Packaged": { "Date": "2026-10-15 11:03:29 UTC", "User": "root" }, "Author": "Gabriel Constantino Blain [aut, cre] (ORCID:\n),\nGraciela R. Sobierajski [aut] (ORCID:\n),\nLeticia L. Martins [aut] (ORCID:\n),\nAdam H. Sparks [aut] (ORCID: )", "Maintainer": "Gabriel Constantino Blain ", "_user": "gabrielblain", "_type": "src", "_file": "SPIChanges_0.3.0.tar.gz", "_fileid": "https://r2.ropensci.org/b6719fc61879058c1dd03cbd744390f362f76f999ea965906498836f63a23f3c", "_filesize": 1132270, "_sha256": "b6719fc61879058c1dd03cbd744390f362f76f999ea965906498836f63a23f3c", "_expires": "2027-01-23T11:06:56.000Z", "_created": "2026-10-15T11:03:29.000Z", "_published": "2026-10-15T11:07:02.667Z", "_buildurl": "https://github.com/r-universe/gabrielblain/actions/runs/38724108861", "_status": "success", "_host": "GitHub-Actions", "_jobs": [ { "job": 116387442435, "time": 163, "config": "linux-devel-x86_64", "r": "4.7.0", "check": "OK", "artifact": "11968535368" }, { "job": 116387442500, "time": 161, "config": "linux-release-x86_64", "r": "4.6.1", "check": "OK", "artifact": "11968405445" }, { "job": 116387442506, "time": 105, "config": "macos-oldrel-arm64", "r": "4.5.3", "check": "OK", "artifact": "11968165443" }, { "job": 116387442396, "time": 136, "config": "macos-release-arm64", "r": "4.6.1", "check": "OK", "artifact": "11968160532" }, { "job": 116385737284, "time": 256, "config": "source", "r": "4.6.1", "check": "OK", "artifact": "11967179770" }, { "job": 116387442645, "time": 103, "config": "wasm-release", "r": "4.6.0", "check": "OK", "artifact": "11967586418" }, { "job": 116387442672, "time": 126, "config": "windows-devel-x86_64", "r": "4.7.0", "check": "OK", "artifact": "11967765718" }, { "job": 116387442548, "time": 129, "config": "windows-oldrel-x86_64", "r": "4.5.3", "check": "OK", "artifact": "11967975579" }, { "job": 116387442529, "time": 130, "config": "windows-release-x86_64", "r": "4.6.1", "check": "OK", "artifact": "11968230468" } ], "_upstream": "https://github.com/gabrielblain/spichanges", "_commit": { "id": "d3c5ad471e93d65deb76cb5cbbbc2c94a6d68949", "author": "Gabriel Blain ", "committer": "Gabriel Blain ", "message": "Polish\n", "time": 1789463118 }, "_maintainer": { "name": "Gabriel Constantino Blain", "email": "gabriel.blain@sp.gov.br", "login": "agronomicinstitute", "description": "", "uuid": 131403641, "orcid": "0000-0001-8832-7734" }, "_distro": "resolute", "_registered": true, "_dependencies": [ { "package": "R", "version": ">= 3.5", "role": "Depends" }, { "package": "dglm", "role": "Imports" }, { "package": "lubridate", "role": "Imports" }, { "package": "rlang", "role": "Imports" }, { "package": "stats", "role": "Imports" }, { "package": "brglm2", "role": "Imports" }, { "package": "zoo", "role": "Imports" }, { "package": "archive", "role": "Suggests" }, { "package": "curl", "role": "Suggests" }, { "package": "doParallel", "role": "Suggests" }, { "package": "dplyr", "role": "Suggests" }, { "package": "foreach", "role": "Suggests" }, { "package": "ggplot2", "role": "Suggests" }, { "package": "grid", "role": "Suggests" }, { "package": "knitr", "role": "Suggests" }, { "package": "ncdf4", "role": "Suggests" }, { "package": "patchwork", "role": "Suggests" }, { "package": "RColorBrewer", "role": "Suggests" }, { "package": "rmarkdown", "role": "Suggests" }, { "package": "roxyglobals", "role": "Suggests" }, { "package": "sf", "role": "Suggests" }, { "package": "purrr", "role": "Suggests" }, { "package": "testthat", "version": ">= 3.0.0", "role": "Suggests" }, { "package": "tidyr", "role": "Suggests" } ], "_owner": "gabrielblain", "_selfowned": true, "_usedby": 0, "_updates": [ { "week": "2025-42", "n": 3 }, { "week": "2025-43", "n": 6 }, { "week": "2026-37", "n": 5 }, { "week": "2026-38", "n": 7 } ], "_tags": [], "_stars": 5, "_contributors": [ { "user": "gabrielblain", "count": 220, "uuid": 122354466 }, { "user": "adamhsparks", "count": 60, "uuid": 3195906 } ], "_userbio": { "uuid": 122354466, "type": "user", "name": "Gabriel Constantino Blain", "followers": 11, "description": "Scientific Researcher." }, "_downloads": { "count": 430, "source": "https://cranlogs.r-pkg.org/downloads/total/last-month/SPIChanges" }, "_devurl": "https://github.com/gabrielblain/spichanges", "_searchresults": 8, "_rbuild": "4.6.1", "_assets": [ "extra/citation.cff", "extra/citation.html", "extra/citation.json", "extra/citation.txt", "extra/contents.json", "extra/manual.pdf", "extra/NEWS.html", "extra/NEWS.txt", "extra/readme.html", "extra/readme.md", "extra/SPIChanges.html", "LICENSE" ], "_homeurl": "https://github.com/gabrielblain/spichanges", "_realowner": "gabrielblain", "_cranurl": true, "_releases": [ { "version": "0.1.0", "date": "2025-02-05" }, { "version": "0.2.0", "date": "2025-06-06" }, { "version": "0.2.1", "date": "2025-10-23" }, { "version": "0.3.0", "date": "2026-09-15" } ], "_exports": [ "SPIChanges", "TSaggreg" ], "_datasets": [ { "name": "CampinasRain", "title": "Daily Rainfall Amounts", "object": "CampinasRain", "class": [ "data.frame" ], "fields": [ "Date", "Rain" ], "rows": 16071, "table": true, "tojson": true }, { "name": "lonlat", "title": "Coordinates for Entire Brazil", "object": "lonlat", "class": [ "data.frame" ], "fields": [ "lon", "lat" ], "rows": 2840, "table": true, "tojson": true }, { "name": "Map", "title": "Changes in Drought Events in Brazil (1980-2024)", "object": "Map", "class": [ "data.frame" ], "fields": [ "X", "lon", "lat", "SummerModerate", "SummerSevere", "SummerExtreme", "SummerModel", "AutomnModerate", "AutomnSevere", "AutomnExtreme", "AutomnModel", "WinterModerate", "WinterSevere", "WinterExtreme", "WinterModel", "SpringModerate", "SpringSevere", "SpringExtreme", "SpringModel" ], "rows": 2840, "table": true, "tojson": true }, { "name": "OxfordRain", "title": "Daily Rainfall Amounts", "object": "OxfordRain", "class": [ "data.frame" ], "fields": [ "Rain" ], "rows": 70523, "table": true, "tojson": true }, { "name": "rainTS4", "title": "Rainfall Aggregated at the 4-quasi week time scale", "object": "rainTS4", "class": [ "matrix", "array" ], "fields": [ "Year", "Month", "quasiWeek", "rain.at.TS4" ], "rows": 576, "table": true, "tojson": true } ], "_help": [ { "page": "CampinasRain", "title": "Daily Rainfall Amounts", "topics": [ "CampinasRain" ] }, { "page": "lonlat", "title": "Coordinates for Entire Brazil", "topics": [ "lonlat" ] }, { "page": "Map", "title": "Changes in Drought Events in Brazil (1980-2024)", "topics": [ "Map" ] }, { "page": "OxfordRain", "title": "Daily Rainfall Amounts", "topics": [ "OxfordRain" ] }, { "page": "rainTS4", "title": "Rainfall Aggregated at the 4-quasi week time scale", "topics": [ "rainTS4" ] }, { "page": "SPIChanges", "title": "Detect trends and quantify their effect on the probability of SPI values occurring", "topics": [ "SPIChanges" ] }, { "page": "TSaggreg", "title": "Aggregates daily rainfall totals at quasi-week time scales", "topics": [ "TSaggreg" ] } ], "_readme": "https://github.com/gabrielblain/spichanges/raw/HEAD/README.md", "_rundeps": [ "brglm2", "cpp11", "dglm", "enrichwith", "generics", "lattice", "lubridate", "MASS", "Matrix", "nleqslv", "nnet", "numDeriv", "rlang", "statmod", "timechange", "zoo" ], "_vignettes": [ { "source": "SPIChanges.Rmd", "filename": "SPIChanges.html", "title": "SPIChanges", "engine": "knitr::rmarkdown", "headings": [ "Introduction", "Getting Started", "Data", "Function TSaggreg()", "Arguments", "Value", "Example 1", "Function SPIChanges()", "Usage", "Example 2", "Example 3" ], "created": "2024-11-26 09:11:28", "modified": "2025-02-03 21:34:34", "commits": 3 }, { "source": "CaseStudies.Rmd", "filename": "CaseStudies.html", "title": "SPIChanges package: Monte Carlo Experiments and Case Studies", "engine": "knitr::rmarkdown", "headings": [ "Case Studies Applications", "Case Study 1 -- Oxford Rainfall", "Analyse Data Looking for Changes", "Interpreting the Output Data Fields from the “Oxford.Changes”", "$model.selection", "$Statistics", "Key Observations:", "$Changes.Freq.Drought", "Summary:", "Interpreting the Output Data Fields from the “Oxford.Changes.linear”", "$Statistics and $Changes.Freq.Drought", "Case Study 2 - Brazil Drought Events", "Aggregating daily data into a specified time scale:", "Applying the SPIChanges::SPIChanges() for entire Brazil", "Assessing changes in severe to moderate drought events", "References" ], "created": "2024-12-15 11:04:52", "modified": "2026-09-11 10:07:07", "commits": 6 } ], "_score": 5.301029995663981, "_indexed": true, "_nocasepkg": "spichanges", "_universes": [ "gabrielblain", "agronomicinstitute" ], "_binaries": [ { "r": "4.7.0", "os": "linux", "version": "0.3.0", "date": "2026-10-15T11:05:37.000Z", "distro": "resolute", "commit": "d3c5ad471e93d65deb76cb5cbbbc2c94a6d68949", "fileid": "https://r2.ropensci.org/e91848043b4416a4657dfae5eb270a01cb9041d56e7bea8abb1ad8af6ede59a2", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/gabrielblain/actions/runs/38724108861" }, { "r": "4.6.1", "os": "linux", "version": "0.3.0", "date": "2026-10-15T11:05:37.000Z", "distro": "resolute", "commit": "d3c5ad471e93d65deb76cb5cbbbc2c94a6d68949", "fileid": "https://r2.ropensci.org/0763483b25c64b8f34bb7389842adec1fa08373be5a0ab8019d9da54d7a0ceeb", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/gabrielblain/actions/runs/38724108861" }, { "r": "4.5.3", "os": "mac", "version": "0.3.0", "date": "2026-10-15T11:05:02.000Z", "commit": "d3c5ad471e93d65deb76cb5cbbbc2c94a6d68949", "fileid": "https://r2.ropensci.org/2133eb151a042d621730460f2131bb86d3314610182d484612df251a9d47a250", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/gabrielblain/actions/runs/38724108861" }, { "r": "4.6.1", "os": "mac", "version": "0.3.0", "date": "2026-10-15T11:05:18.000Z", "commit": "d3c5ad471e93d65deb76cb5cbbbc2c94a6d68949", "fileid": "https://r2.ropensci.org/28688bccf67b78414c7e8a6ba8ff8618c0027cbaa606ecf42fce7b47b059f4fa", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/gabrielblain/actions/runs/38724108861" }, { "r": "4.6.0", "os": "wasm", "version": "0.3.0", "date": "2026-10-15T11:05:31.000Z", "commit": "d3c5ad471e93d65deb76cb5cbbbc2c94a6d68949", "fileid": "https://r2.ropensci.org/01b03d9468bffbe8acbea80acc148af01ac9985391955d68b5a2ecd701974773", "status": "success", "buildurl": "https://github.com/r-universe/gabrielblain/actions/runs/38724108861" }, { "r": "4.7.0", "os": "win", "version": "0.3.0", "date": "2026-10-15T11:04:49.000Z", "commit": "d3c5ad471e93d65deb76cb5cbbbc2c94a6d68949", "fileid": "https://r2.ropensci.org/79a21242b9496fbaceeedda3f440669fb5833ed347226b2ffd289cacf649685d", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/gabrielblain/actions/runs/38724108861" }, { "r": "4.5.3", "os": "win", "version": "0.3.0", "date": "2026-10-15T11:04:52.000Z", "commit": "d3c5ad471e93d65deb76cb5cbbbc2c94a6d68949", "fileid": "https://r2.ropensci.org/a85b9e79693b6b855880443d40b32faa5d6e8fc2a2e7bb0f544141811a027d25", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/gabrielblain/actions/runs/38724108861" }, { "r": "4.6.1", "os": "win", "version": "0.3.0", "date": "2026-10-15T11:04:55.000Z", "commit": "d3c5ad471e93d65deb76cb5cbbbc2c94a6d68949", "fileid": "https://r2.ropensci.org/64ee3c4163b2b551ab8a55489825ca37ff87133bfd5cb773b36f7d9d19631803", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/gabrielblain/actions/runs/38724108861" } ] }