{ "_id": "6a1012f6acfb0bcc41c82f77", "Package": "rPref", "Version": "1.5.0", "Date": "2025-08-19", "Title": "Database Preferences and Skyline Computation", "Encoding": "UTF-8", "Authors@R": "person(given = \"Patrick\",\nfamily = \"Roocks\",\nrole = c(\"aut\", \"cre\"),\nemail = \"mail@p-roocks.de\")", "Description": "Routines to select and visualize the maxima for a given\nstrict partial order. This especially includes the computation\nof the Pareto frontier, also known as (Top-k) Skyline operator\n(see Börzsönyi, et al. (2001) ),\nand some generalizations known as database preferences (see\nKießling (2002) ).", "URL": "https://www.p-roocks.de/rpref/", "SystemRequirements": "GNU make, Windows: cmd.exe and cscript.exe", "License": "GPL (>= 2)", "Collate": "'rPref.r' 'RcppExports.R' 'pref-classes.r' 'base-pref.r'\n'base-pref-macros.r' 'complex-pref.r' 'general-pref.r'\n'pref-eval.r' 'show-pref.r' 'visualize.r' 'pred-succ.r'", "VignetteBuilder": "knitr", "RoxygenNote": "7.3.2", "Config/pak/sysreqs": "libglpk-dev make libxml2-dev", "Repository": "https://patrickroocks.r-universe.dev", "Date/Publication": "2025-08-19 09:26:52 UTC", "RemoteUrl": "https://github.com/patrickroocks/rpref", "RemoteRef": "HEAD", "RemoteSha": "c0d8e5fc9b6cb63981384d55b87570da8bf8d166", "NeedsCompilation": "yes", "Packaged": { "Date": "2026-05-22 08:18:52 UTC", "User": "root" }, "Author": "Patrick Roocks [aut, cre]", "Maintainer": "Patrick Roocks ", "MD5sum": "6e600eb1b66196922db787376cde5637", "_user": "patrickroocks", "_type": "src", "_file": "rPref_1.5.0.tar.gz", "_fileid": "fc804d114f895bec27226ec672ac904d6bc99020fe5aa71217d3ee645283d85d", "_filesize": 419273, "_sha256": "fc804d114f895bec27226ec672ac904d6bc99020fe5aa71217d3ee645283d85d", "_created": "2026-05-22T08:18:52.000Z", "_published": "2026-05-22T08:25:26.669Z", "_distro": "noble", "_jobs": [ { "job": 77342723305, "time": 149, "config": "linux-devel-arm64", "r": "4.7.0", "check": "OK", "artifact": "7156034225" }, { "job": 77342723323, "time": 160, "config": "linux-devel-x86_64", "r": "4.7.0", "check": "OK", "artifact": "7156037896" }, { "job": 77342723428, "time": 148, "config": "linux-release-arm64", "r": "4.6.0", "check": "OK", "artifact": "7156033745" }, { "job": 77342723326, "time": 153, "config": "linux-release-x86_64", "r": "4.6.0", "check": "OK", "artifact": "7156035371" }, { "job": 77342723332, "time": 196, "config": "macos-oldrel-arm64", "r": "4.5.3", "check": "OK", "artifact": "7156036406" }, { "job": 77342723331, "time": 285, "config": "macos-oldrel-x86_64", "r": "4.5.3", "check": "OK", "artifact": "7156070304" }, { "job": 77342723345, "time": 142, "config": "macos-release-arm64", "r": "4.6.0", "check": "OK", "artifact": "7156025505" }, { "job": 77342723324, "time": 343, "config": "macos-release-x86_64", "r": "4.6.0", "check": "OK", "artifact": "7156082706" }, { "job": 77342179179, "time": 222, "config": "source", "r": "4.6.0", "check": "OK", "artifact": "7155989922" }, { "job": 77342723293, "time": 161, "config": "wasm-release", "r": "4.6.0", "check": "OK", "artifact": "7156037173" }, { "job": 77342723306, "time": 193, "config": "windows-devel", "r": "4.7.0", "check": "OK", "artifact": "7156047233" }, { "job": 77342723334, "time": 116, "config": "windows-oldrel", "r": "4.5.3", "check": "OK", "artifact": "7156024679" }, { "job": 77342723316, "time": 145, "config": "windows-release", "r": "4.6.0", "check": "OK", "artifact": "7156033266" } ], "_buildurl": "https://github.com/r-universe/patrickroocks/actions/runs/26276563569", "_status": "success", "_host": "GitHub-Actions", "_upstream": "https://github.com/patrickroocks/rpref", "_commit": { "id": "c0d8e5fc9b6cb63981384d55b87570da8bf8d166", "author": "Patrick Roocks ", "committer": "Patrick Roocks ", "message": "update date\n", "time": 1755595612 }, "_maintainer": { "name": "Patrick Roocks", "email": "mail@p-roocks.de", "login": "patrickroocks", "description": "", "uuid": 8257124 }, "_registered": true, "_dependencies": [ { "package": "R", "version": ">= 4.0.0", "role": "Depends" }, { "package": "Rcpp", "role": "LinkingTo" }, { "package": "RcppParallel", "role": "LinkingTo" }, { "package": "Rcpp", "version": ">= 1.0.0", "role": "Imports" }, { "package": "RcppParallel", "version": ">= 5.1.6", "role": "Imports" }, { "package": "dplyr", "version": ">= 1.0.0", "role": "Imports" }, { "package": "igraph", "version": ">= 1.0.1", "role": "Imports" }, { "package": "lazyeval", "version": ">= 0.2.1", "role": "Imports" }, { "package": "methods", "role": "Imports" }, { "package": "utils", "role": "Imports" }, { "package": "testthat", "role": "Suggests" }, { "package": "graph", "role": "Suggests" }, { "package": "Rgraphviz", "version": ">= 2.16.0", "role": "Suggests" }, { "package": "knitr", "role": "Suggests" }, { "package": "ggplot2", "role": "Suggests" }, { "package": "rmarkdown", "role": "Suggests" } ], "_owner": "patrickroocks", "_selfowned": true, "_usedby": 3, "_updates": [ { "week": "2025-32", "n": 2 }, { "week": "2025-34", "n": 1 } ], "_tags": [ { "name": "1.5.0", "date": "2025-08-19" } ], "_stars": 2, "_contributors": [ { "user": "patrickroocks", "count": 47, "uuid": 8257124 } ], "_userbio": { "uuid": 8257124, "type": "user", "name": "Patrick Roocks" }, "_downloads": { "count": 547, "source": "https://cranlogs.r-pkg.org/downloads/total/last-month/rPref" }, "_mentions": 1, "_devurl": "https://github.com/patrickroocks/rpref", "_searchresults": 115, "_topics": [ "cpp" ], "_rbuild": "4.6.0", "_assets": [ "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", "extra/rPref.html", "manual.pdf" ], "_homeurl": "https://github.com/patrickroocks/rpref", "_realowner": "patrickroocks", "_cranurl": true, "_releases": [ { "version": "0.1", "date": "2014-08-04" }, { "version": "0.2", "date": "2014-10-14" }, { "version": "0.3", "date": "2014-11-18" }, { "version": "0.4", "date": "2015-01-15" }, { "version": "0.5", "date": "2015-03-20" }, { "version": "0.6", "date": "2015-08-23" }, { "version": "0.7", "date": "2015-10-28" }, { "version": "1.0.0", "date": "2016-04-15" }, { "version": "1.1", "date": "2016-09-01" }, { "version": "1.2", "date": "2016-12-18" }, { "version": "1.3", "date": "2019-02-16" }, { "version": "1.4.0", "date": "2023-01-30" }, { "version": "1.5.0", "date": "2025-08-19" } ], "_exports": [ "all_pred", "all_succ", "around", "as.expression", "assoc.df", "assoc.df<-", "between", "empty", "get_btg", "get_btg_dot", "get_hasse_diag", "hasse_pred", "hasse_succ", "high", "high_", "init_pred_succ", "is.base_pref", "is.complex_pref", "is.empty_pref", "is.preference", "layered", "low", "low_", "partial.eval.pref", "peval", "plot_btg", "plot_front", "pos", "pref.str", "psel", "psel.indices", "reverse", "show.pref", "show.query", "true", "true_" ], "_help": [ { "page": "base_pref", "title": "Base Preferences", "topics": [ "base_pref", "high", "high_", "is.base_pref", "low", "low_", "true", "true_" ] }, { "page": "base_pref_macros", "title": "Useful Base Preference Macros", "topics": [ "around", "base_pref_macros", "between", "layered", "pos" ] }, { "page": "complex_pref", "title": "Complex Preferences", "topics": [ "&,preference,preference-method", "&,preference-method", "*,preference,preference-method", "*,preference-method", "+,preference,preference-method", "+,preference-method", "complex_pref", "is.complex_pref", "reverse", "|,preference,preference-method", "|,preference-method" ] }, { "page": "general_pref", "title": "Utility Functions for Preferences", "topics": [ "as.expression,basepref-method", "as.expression,complexpref-method", "as.expression,emptypref-method", "as.expression,preference-method", "as.expression,reversepref-method", "assoc.df", "assoc.df,preference-method", "assoc.df<-", "assoc.df<-,preference-method", "empty", "general_pref", "is.empty_pref", "is.preference", "length,basepref-method", "length,complexpref-method", "length,emptypref-method", "length,preference-method", "length,reversepref-method" ] }, { "page": "get_hasse_diag", "title": "Adjacency List of Hasse diagram", "topics": [ "get_hasse_diag" ] }, { "page": "plot_btg", "title": "Better-Than-Graphs", "topics": [ "get_btg", "get_btg_dot", "plot_btg" ] }, { "page": "plot_front", "title": "Pareto Front Plot", "topics": [ "plot_front" ] }, { "page": "pred_succ", "title": "Predecessor and Successor Functions", "topics": [ "all_pred", "all_succ", "hasse_pred", "hasse_succ", "init_pred_succ", "pred_succ" ] }, { "page": "psel", "title": "Preference Selection", "topics": [ "peval", "psel", "psel.indices" ] }, { "page": "rPref", "title": "Summary of the rPref Package", "topics": [ "rPref-package", "rPref" ] }, { "page": "show.pref", "title": "Partial Evaluation and String Output of Preferences", "topics": [ "as.character,basepref-method", "as.character,complexpref-method", "as.character,emptypref-method", "as.character,preference-method", "as.character,reversepref-method", "partial.eval.pref", "pref.str", "show.pref" ] }, { "page": "show.query", "title": "Show Preferences in Database Query Languages", "topics": [ "show.query" ] } ], "_readme": "https://github.com/patrickroocks/rpref/raw/HEAD/README.md", "_rundeps": [ "cli", "cpp11", "dplyr", "generics", "glue", "igraph", "lattice", "lazyeval", "lifecycle", "magrittr", "Matrix", "pillar", "pkgconfig", "R6", "Rcpp", "RcppParallel", "rlang", "tibble", "tidyselect", "utf8", "vctrs", "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" } ], "_vignettes": [ { "source": "introduction.Rmd", "filename": "introduction.html", "title": "Introduction to rPref", "author": "Patrick Roocks", "engine": "knitr::rmarkdown", "headings": [ "A first Skyline example", "Lexicographical order", "Top-k selections", "Grouped preference selection" ], "created": "2016-09-01 16:14:53", "modified": "2025-08-08 11:10:42", "commits": 7 }, { "source": "visualization.Rmd", "filename": "visualization.html", "title": "Visualization of Preferences", "author": "Patrick Roocks", "engine": "knitr::rmarkdown", "headings": [ "A first Skyline plot", "Skyline level plots", "Better-Than-Graphs", "Predecessors and successors in the BTG" ], "created": "2016-09-01 16:14:53", "modified": "2025-08-08 08:10:41", "commits": 5 } ], "_score": 6.617000341120899, "_indexed": true, "_nocasepkg": "rpref", "_universes": [ "patrickroocks" ], "_binaries": [ { "r": "4.7.0", "os": "linux", "version": "1.5.0", "date": "2026-05-22T08:21:18.000Z", "distro": "noble", "arch": "aarch64", "commit": "c0d8e5fc9b6cb63981384d55b87570da8bf8d166", "fileid": "a68b2c3df8621528ab7a489272b5e7ffba74f9ccdb3ba97831b54fd4322fd3c0", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/patrickroocks/actions/runs/26276563569" }, { "r": "4.7.0", "os": "linux", "version": "1.5.0", "date": "2026-05-22T08:21:26.000Z", "distro": "noble", "arch": "x86_64", "commit": "c0d8e5fc9b6cb63981384d55b87570da8bf8d166", "fileid": "92592a4448ae78be294e547c6c1216a76edcf09ea4458126343238083aacdd7a", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/patrickroocks/actions/runs/26276563569" }, { "r": "4.6.0", "os": "linux", "version": "1.5.0", "date": "2026-05-22T08:21:19.000Z", "distro": "noble", "arch": "aarch64", "commit": "c0d8e5fc9b6cb63981384d55b87570da8bf8d166", "fileid": "4f243883337e27ee5da59c0c88d7b6e05e9030711fc04b74c73f199d5b8cfd86", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/patrickroocks/actions/runs/26276563569" }, { "r": "4.6.0", "os": "linux", "version": "1.5.0", "date": "2026-05-22T08:21:21.000Z", "distro": "noble", "arch": "x86_64", "commit": "c0d8e5fc9b6cb63981384d55b87570da8bf8d166", "fileid": "e23bb390b1b3d13dcaaec10179c951ee56517810f7a4782a55c2f20cac56d22c", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/patrickroocks/actions/runs/26276563569" }, { "r": "4.5.3", "os": "mac", "version": "1.5.0", "date": "2026-05-22T08:21:25.000Z", "arch": "aarch64", "commit": "c0d8e5fc9b6cb63981384d55b87570da8bf8d166", "fileid": "c9048768a6717caa6e28183919e8d18c2c706bbc9c37e878248aba9192acfb4d", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/patrickroocks/actions/runs/26276563569" }, { "r": "4.5.3", "os": "mac", "version": "1.5.0", "date": "2026-05-22T08:22:52.000Z", "arch": "x86_64", "commit": "c0d8e5fc9b6cb63981384d55b87570da8bf8d166", "fileid": "b306e7c394591816f1d47577384ada93f1a9df5b303e8d8f1543e6c22d823590", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/patrickroocks/actions/runs/26276563569" }, { "r": "4.6.0", "os": "mac", "version": "1.5.0", "date": "2026-05-22T08:20:59.000Z", "arch": "aarch64", "commit": "c0d8e5fc9b6cb63981384d55b87570da8bf8d166", "fileid": "155fea0c446d4653ec68bb5519896c4bddaf592bea516ce22ce4a2f7c325ea57", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/patrickroocks/actions/runs/26276563569" }, { "r": "4.6.0", "os": "mac", "version": "1.5.0", "date": "2026-05-22T08:23:00.000Z", "arch": "x86_64", "commit": "c0d8e5fc9b6cb63981384d55b87570da8bf8d166", "fileid": "2c4c6d98e4eb707a25846c6bb7196d284f908eb98b67cc275977ac75ffe6c8e9", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/patrickroocks/actions/runs/26276563569" }, { "r": "4.6.0", "os": "wasm", "version": "1.5.0", "date": "2026-05-22T08:21:53.000Z", "arch": "emscripten", "commit": "c0d8e5fc9b6cb63981384d55b87570da8bf8d166", "fileid": "317d8e2a8719e9b185630809aaa3474a6453bf69ef5405633f9741b452d13676", "status": "success", "buildurl": "https://github.com/r-universe/patrickroocks/actions/runs/26276563569" }, { "r": "4.7.0", "os": "win", "version": "1.5.0", "date": "2026-05-22T08:20:28.000Z", "arch": "x86_64", "commit": "c0d8e5fc9b6cb63981384d55b87570da8bf8d166", "fileid": "d3990b54d90b890a2ba2d2d5073b681414147d17f273f47f4a6a8d0412dccf02", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/patrickroocks/actions/runs/26276563569" }, { "r": "4.5.3", "os": "win", "version": "1.5.0", "date": "2026-05-22T08:20:17.000Z", "arch": "x86_64", "commit": "c0d8e5fc9b6cb63981384d55b87570da8bf8d166", "fileid": "58b2b02ede70a20ad5c1c06e8c0901236e09090eb74d35342c7c603929077f88", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/patrickroocks/actions/runs/26276563569" }, { "r": "4.6.0", "os": "win", "version": "1.5.0", "date": "2026-05-22T08:20:37.000Z", "arch": "x86_64", "commit": "c0d8e5fc9b6cb63981384d55b87570da8bf8d166", "fileid": "781e04ecd28d3cb7735cf765e5a0600c248ebf7afa052277e3117be0b1d93480", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/patrickroocks/actions/runs/26276563569" } ] }