{ "_id": "6ac77fe0de46216d5edd0f60", "Package": "qcc", "Version": "3.0", "Date": "2026-09-08", "Title": "Quality Control Charts", "Description": "Shewhart quality control charts for continuous, attribute\nand count data. Cusum and EWMA charts. Operating characteristic\ncurves. Process capability analysis. Pareto chart and\ncause-and-effect chart. Multivariate control charts.", "Authors@R": "c(person(\"Luca\", \"Scrucca\", role = c(\"aut\", \"cre\", \"cph\"),\nemail = \"luca.scrucca@unibo.it\",\ncomment = c(ORCID = \"0000-0003-3826-0484\")),\nperson(\"Greg\", \"Snow\", role = \"ctb\",\nemail = \"greg.snow@ihc.com\"),\nperson(\"Peter\", \"Bloomfield\", role = \"ctb\",\nemail = \"Peter_Bloomfield@ncsu.edu\"),\nperson(\"Anas\", \"Sheashaey\", role = c(\"ctb\"),\nemail = \"she3sha3y5@gmail.com\"))", "VignetteBuilder": "knitr", "License": "GPL (>= 2)", "URL": "https://luca-scr.github.io/qcc/", "BugReports": "https://github.com/luca-scr/qcc/issues", "ByteCompile": "true", "LazyData": "true", "Encoding": "UTF-8", "Config/testthat/edition": "3", "Config/roxygen2/markdown": "TRUE", "Config/roxygen2/version": "8.0.0", "Repository": "https://luca-scr.r-universe.dev", "Date/Publication": "2026-09-08 09:21:20 UTC", "RemoteUrl": "https://github.com/luca-scr/qcc", "RemoteRef": "HEAD", "RemoteSha": "e09918a0a02f4ff95859135943f8211a048e35a0", "NeedsCompilation": "no", "Packaged": { "Date": "2026-10-08 10:53:00 UTC", "User": "root" }, "Author": "Luca Scrucca [aut, cre, cph] (ORCID:\n),\nGreg Snow [ctb],\nPeter Bloomfield [ctb],\nAnas Sheashaey [ctb]", "Maintainer": "Luca Scrucca ", "_user": "luca-scr", "_type": "src", "_file": "qcc_3.0.tar.gz", "_fileid": "https://r2.ropensci.org/819bdd9f637b0486064aef14ae4b416181fd9ec02c47cdf9663a156095d34c05", "_filesize": 9632643, "_sha256": "819bdd9f637b0486064aef14ae4b416181fd9ec02c47cdf9663a156095d34c05", "_expires": "2027-01-16T11:34:53.000Z", "_created": "2026-10-08T10:53:00.000Z", "_published": "2026-10-08T11:34:55.875Z", "_buildurl": "https://github.com/r-universe/luca-scr/actions/runs/37765995606", "_status": "success", "_host": "GitHub-Actions", "_jobs": [ { "job": 113275165865, "time": 171, "config": "linux-devel-x86_64", "r": "4.7.0", "check": "OK", "artifact": "11543889546" }, { "job": 113275165829, "time": 171, "config": "linux-release-x86_64", "r": "4.6.1", "check": "OK", "artifact": "11545055349" }, { "job": 113275165888, "time": 176, "config": "macos-oldrel-arm64", "r": "4.5.3", "check": "OK", "artifact": "11548665096" }, { "job": 113275165826, "time": 138, "config": "macos-release-arm64", "r": "4.6.1", "check": "OK", "artifact": "11548170244" }, { "job": 113273797529, "time": 223, "config": "source", "r": "4.6.1", "check": "OK", "artifact": "11544258164" }, { "job": 113275165809, "time": 90, "config": "wasm-release", "r": "4.6.0", "check": "OK", "artifact": "11544278840" }, { "job": 113275166030, "time": 143, "config": "windows-devel-x86_64", "r": "4.7.0", "check": "OK", "artifact": "11544612808" }, { "job": 113275165908, "time": 132, "config": "windows-oldrel-x86_64", "r": "4.5.3", "check": "OK", "artifact": "11544513573" }, { "job": 113275165977, "time": 126, "config": "windows-release-x86_64", "r": "4.6.1", "check": "OK", "artifact": "11544269471" } ], "_upstream": "https://github.com/luca-scr/qcc", "_commit": { "id": "e09918a0a02f4ff95859135943f8211a048e35a0", "author": "Luca Scrucca ", "committer": "GitHub ", "message": "Merge pull request #68 from she3o/mssd\n\nSupport the MSSD estimator in Shewhart, EWMA, and CUSUM charts", "time": 1788859280 }, "_maintainer": { "name": "Luca Scrucca", "email": "luca.scrucca@unibo.it", "login": "luca-scr", "twitter": "@luca_scr", "description": "", "uuid": 11585946, "orcid": "0000-0003-3826-0484" }, "_distro": "resolute", "_registered": true, "_dependencies": [ { "package": "R", "version": ">= 4.4", "role": "Depends" }, { "package": "ggplot2", "version": ">= 4.0", "role": "Depends" }, { "package": "patchwork", "version": ">= 1.3", "role": "Depends" }, { "package": "graphics", "role": "Imports" }, { "package": "grDevices", "role": "Imports" }, { "package": "grid", "role": "Imports" }, { "package": "MASS", "role": "Imports" }, { "package": "scales", "role": "Imports" }, { "package": "cli", "role": "Imports" }, { "package": "crayon", "role": "Imports" }, { "package": "knitr", "version": ">= 1.5", "role": "Suggests" }, { "package": "rmarkdown", "version": ">= 2.3", "role": "Suggests" }, { "package": "testthat", "version": ">= 3.0.0", "role": "Suggests" }, { "package": "vdiffr", "version": ">= 1.0.0", "role": "Suggests" } ], "_owner": "luca-scr", "_selfowned": true, "_usedby": 7, "_updates": [ { "week": "2025-47", "n": 1 }, { "week": "2025-48", "n": 1 }, { "week": "2026-02", "n": 1 }, { "week": "2026-10", "n": 1 }, { "week": "2026-12", "n": 3 }, { "week": "2026-14", "n": 1 }, { "week": "2026-19", "n": 1 }, { "week": "2026-24", "n": 1 }, { "week": "2026-27", "n": 1 }, { "week": "2026-30", "n": 1 }, { "week": "2026-36", "n": 1 }, { "week": "2026-37", "n": 1 } ], "_tags": [], "_stars": 60, "_contributors": [ { "user": "she3o", "count": 104, "uuid": 26515372 }, { "user": "luca-scr", "count": 23, "uuid": 11585946 }, { "user": "erblast", "count": 4, "uuid": 14346503 }, { "user": "peterbloomfield", "count": 2, "uuid": 15112970 }, { "user": "nelsonlin", "count": 1, "uuid": 1336715 }, { "user": "vitallish", "count": 1, "uuid": 4785053 } ], "_userbio": { "uuid": 11585946, "type": "user", "name": "Luca Scrucca", "followers": 85 }, "_downloads": { "count": 13116, "source": "https://cranlogs.r-pkg.org/downloads/total/last-month/qcc" }, "_mentions": 14, "_devurl": "https://github.com/luca-scr/qcc", "_pkgdown": "https://luca-scr.github.io/qcc/", "_searchresults": 970, "_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/qcc.html", "extra/readme.html", "extra/readme.md" ], "_homeurl": "https://github.com/luca-scr/qcc", "_realowner": "luca-scr", "_cranurl": true, "_releases": [ { "version": "1.0", "date": "2004-03-04" }, { "version": "1.1", "date": "2004-06-21" }, { "version": "1.2", "date": "2007-01-05" }, { "version": "1.3", "date": "2008-10-12" }, { "version": "2.0", "date": "2009-10-21" }, { "version": "2.0.1", "date": "2010-04-20" }, { "version": "2.2", "date": "2011-09-30" }, { "version": "2.3", "date": "2014-02-25" }, { "version": "2.5", "date": "2014-07-01" }, { "version": "2.6", "date": "2014-10-07" }, { "version": "2.7", "date": "2017-07-11" } ], "_exports": [ "blues.colors", "c4", "cause.and.effect", "causeEffectDiagram", "cusum", "d2", "d3", "describe", "ellipseChart", "ewma", "ewmaSmooth", "limits.c", "limits.g", "limits.np", "limits.p", "limits.R", "limits.S", "limits.T2", "limits.T2.single", "limits.u", "limits.xbar", "limits.xbar.one", "mqcc", "nclass.hist", "oc.curves", "ocCurves", "ocCurves.c", "ocCurves.p", "ocCurves.R", "ocCurves.S", "ocCurves.xbar", "pareto.chart", "paretoChart", "plot.cusum.qcc", "plot.ewma.qcc", "plot.mqcc", "plot.ocCurves", "plot.paretoChart", "plot.processCapability", "plot.qcc", "print.cusum.qcc", "print.describe", "print.ewma.qcc", "print.mqcc", "print.ocCurves", "print.paretoChart", "print.processCapability", "print.qcc", "process.capability", "processCapability", "qcc", "qcc.groups", "qcc.options", "qcc.overdispersion.test", "qccGroups", "qccOverdispersionTest", "qccRules", "qccRulesViolatingNEL1", "qccRulesViolatingNEL2", "qccRulesViolatingNEL3", "qccRulesViolatingNEL4", "qccRulesViolatingNEL5", "qccRulesViolatingNEL6", "qccRulesViolatingNEL7", "qccRulesViolatingNEL8", "qccRulesViolatingWER1", "qccRulesViolatingWER2", "qccRulesViolatingWER3", "qccRulesViolatingWER4", "sd.c", "sd.g", "sd.np", "sd.p", "sd.R", "sd.S", "sd.u", "sd.xbar", "sd.xbar.one", "stats.c", "stats.g", "stats.np", "stats.p", "stats.R", "stats.S", "stats.T2", "stats.T2.single", "stats.u", "stats.xbar", "stats.xbar.one", "summary.cusum.qcc", "summary.ewma.qcc", "summary.mqcc", "summary.processCapability", "summary.qcc" ], "_datasets": [ { "name": "antifreeze", "title": "Water content of antifreeze data", "object": "antifreeze", "class": [ "data.frame" ], "fields": [ "water" ], "rows": 34, "table": true, "tojson": true }, { "name": "boiler", "title": "Boiler temperature data", "object": "boiler", "class": [ "data.frame" ], "fields": [ "t1", "t2", "t3", "t4", "t5", "t6", "t7", "t8" ], "rows": 25, "table": true, "tojson": true }, { "name": "circuit", "title": "Circuit boards data", "object": "circuit", "class": [ "data.frame" ], "fields": [ "sample", "x", "size", "trial" ], "rows": 46, "table": true, "tojson": true }, { "name": "dyedcloth", "title": "Dyed cloth data", "object": "dyedcloth", "class": [ "data.frame" ], "fields": [ "x", "size" ], "rows": 10, "table": true, "tojson": true }, { "name": "orangejuice", "title": "Orange juice data", "object": "orangejuice", "class": [ "data.frame" ], "fields": [ "sample", "D", "size", "trial" ], "rows": 54, "table": true, "tojson": true }, { "name": "orangejuice2", "title": "Orange juice data", "object": "orangejuice2", "class": [ "data.frame" ], "fields": [ "sample", "D", "size", "trial" ], "rows": 64, "table": true, "tojson": true }, { "name": "pcmanufact", "title": "Personal computer manufacturer data", "object": "pcmanufact", "class": [ "data.frame" ], "fields": [ "x", "size" ], "rows": 20, "table": true, "tojson": true }, { "name": "pistonrings", "title": "Piston rings data", "object": "pistonrings", "class": [ "data.frame" ], "fields": [ "diameter", "sample", "trial" ], "rows": 200, "table": true, "tojson": true }, { "name": "RyanMultivar", "title": "Ryan's (2011) multivariate data for quality control", "object": "RyanMultivar", "class": [ "list" ], "fields": [], "table": true, "tojson": true }, { "name": "viscosity", "title": "Viscosity for aircraft primer paint data", "object": "viscosity", "class": [ "data.frame" ], "fields": [ "batch", "viscosity", "trial" ], "rows": 35, "table": true, "tojson": true } ], "_help": [ { "page": "antifreeze", "title": "Water content of antifreeze data", "concept": [ "datasets in \nlist(\"qcc\")\n package" ], "topics": [ "antifreeze" ] }, { "page": "blues.colors", "title": "Blue color palette", "topics": [ "blues.colors" ] }, { "page": "boiler", "title": "Boiler temperature data", "concept": [ "datasets in \nlist(\"qcc\")\n package" ], "topics": [ "boiler" ] }, { "page": "c4", "title": "The 'c4' Constant", "concept": [ "constants for Shewhart charts" ], "topics": [ "c4" ] }, { "page": "causeEffectDiagram", "title": "Cause and Effect Diagram", "topics": [ "causeEffectDiagram" ] }, { "page": "circuit", "title": "Circuit boards data", "concept": [ "datasets in \nlist(\"qcc\")\n package" ], "topics": [ "circuit" ] }, { "page": "cusum", "title": "Cusum chart", "concept": [ "control charts" ], "topics": [ "cusum", "cusum.qcc", "plot.cusum.qcc", "print.cusum.qcc", "summary.cusum.qcc" ] }, { "page": "d2", "title": "The d2 Constant", "concept": [ "constants for Shewhart charts" ], "topics": [ "d2" ] }, { "page": "d3", "title": "The d3 Constant", "concept": [ "constants for Shewhart charts" ], "topics": [ "d3" ] }, { "page": "describe", "title": "Descriptive statistics", "topics": [ "describe", "print.describe" ] }, { "page": "dyedcloth", "title": "Dyed cloth data", "concept": [ "datasets in \nlist(\"qcc\")\n package" ], "topics": [ "dyedcloth" ] }, { "page": "ellipseChart", "title": "Multivariate Quality Control Charts", "topics": [ "ellipseChart" ] }, { "page": "ewma", "title": "EWMA chart", "concept": [ "control charts" ], "topics": [ "ewma", "ewma.qcc", "plot.ewma.qcc", "print.ewma.qcc", "summary.ewma.qcc" ] }, { "page": "ewmaSmooth", "title": "EWMA smoothing function", "topics": [ "ewmaSmooth" ] }, { "page": "mqcc", "title": "Multivariate Quality Control Charts", "topics": [ "mqcc", "plot.mqcc", "print.mqcc", "summary.mqcc" ] }, { "page": "nclass.hist", "title": "Histogram number of classes/bins", "topics": [ "nclass.hist" ] }, { "page": "ocCurves", "title": "Operating Characteristic Function", "topics": [ "ocCurves", "ocCurves.c", "ocCurves.p", "ocCurves.R", "ocCurves.S", "ocCurves.xbar", "plot.ocCurves", "print.ocCurves" ] }, { "page": "orangejuice", "title": "Orange juice data", "concept": [ "datasets in \nlist(\"qcc\")\n package" ], "topics": [ "orangejuice", "orangejuice2" ] }, { "page": "paretoChart", "title": "Pareto chart", "topics": [ "paretoChart", "plot.paretoChart", "print.paretoChart" ] }, { "page": "pcmanufact", "title": "Personal computer manufacturer data", "concept": [ "datasets in \nlist(\"qcc\")\n package" ], "topics": [ "pcmanufact" ] }, { "page": "pistonrings", "title": "Piston rings data", "concept": [ "datasets in \nlist(\"qcc\")\n package" ], "topics": [ "pistonrings" ] }, { "page": "processCapability", "title": "Process capability analysis", "topics": [ "plot.processCapability", "print.processCapability", "processCapability", "summary.processCapability" ] }, { "page": "qcc", "title": "Quality Control Charts", "concept": [ "control charts" ], "topics": [ "plot.qcc", "print.qcc", "qcc", "summary.qcc" ] }, { "page": "qcc-deprecated", "title": "Deprecated Functions in qcc package", "topics": [ "cause.and.effect", "oc.curves", "pareto.chart", "process.capability", "qcc-deprecated", "qcc.groups", "qcc.overdispersion.test" ] }, { "page": "qcc.options", "title": "qcc Options Interface", "topics": [ "qcc.options" ] }, { "page": "qccGroups", "title": "Grouping data based on a sample indicator", "topics": [ "qccGroups" ] }, { "page": "qccOverdispersionTest", "title": "Overdispersion test for binomial and poisson data", "topics": [ "qccOverdispersionTest" ] }, { "page": "rules", "title": "Rules for Shewhart charts", "topics": [ "qccRules", "qccRulesViolatingNEL1", "qccRulesViolatingNEL2", "qccRulesViolatingNEL3", "qccRulesViolatingNEL4", "qccRulesViolatingNEL5", "qccRulesViolatingNEL6", "qccRulesViolatingNEL7", "qccRulesViolatingNEL8", "qccRulesViolatingWER1", "qccRulesViolatingWER2", "qccRulesViolatingWER3", "qccRulesViolatingWER4", "rules" ] }, { "page": "RyanMultivar", "title": "Ryan's (2011) multivariate data for quality control", "concept": [ "datasets in \nlist(\"qcc\")\n package" ], "topics": [ "RyanMultivar" ] }, { "page": "stats.c", "title": "Functions to plot Shewhart c chart", "topics": [ "limits.c", "sd.c", "stats.c" ] }, { "page": "stats.g", "title": "Statistics used in computing and drawing a Shewhart g chart", "topics": [ "limits.g", "sd.g", "stats.g" ] }, { "page": "stats.np", "title": "Statistics used in computing and drawing a Shewhart np chart", "topics": [ "limits.np", "sd.np", "stats.np" ] }, { "page": "stats.p", "title": "Statistics used in computing and drawing a Shewhart p chart", "topics": [ "limits.p", "sd.p", "stats.p" ] }, { "page": "stats.R", "title": "Statistics used in computing and drawing a Shewhart R chart", "topics": [ "limits.R", "sd.R", "stats.R" ] }, { "page": "stats.S", "title": "Functions to plot Shewhart S chart", "topics": [ "limits.S", "sd.S", "stats.S" ] }, { "page": "stats.T2", "title": "Statistics used in computing and drawing the Hotelling T^2 chart for subgrouped data", "topics": [ "limits.T2", "stats.T2" ] }, { "page": "stats.T2.single", "title": "Statistics used in computing and drawing the Hotelling T^2 chart for individual observations data", "topics": [ "limits.T2.single", "stats.T2.single" ] }, { "page": "stats.u", "title": "Statistics used in computing and drawing a Shewhart u chart", "topics": [ "limits.u", "sd.u", "stats.u" ] }, { "page": "stats.xbar", "title": "Statistics used in computing and drawing a Shewhart xbar chart", "topics": [ "limits.xbar", "sd.xbar", "stats.xbar" ] }, { "page": "stats.xbar.one", "title": "Statistics used in computing and drawing a Shewhart xbar chart for one-at-time data", "topics": [ "limits.xbar.one", "sd.xbar.one", "stats.xbar.one" ] }, { "page": "viscosity", "title": "Viscosity for aircraft primer paint data", "concept": [ "datasets in \nlist(\"qcc\")\n package" ], "topics": [ "viscosity" ] } ], "_readme": "https://github.com/luca-scr/qcc/raw/HEAD/README.md", "_rundeps": [ "cli", "cpp11", "crayon", "farver", "ggplot2", "glue", "gtable", "isoband", "labeling", "lifecycle", "MASS", "patchwork", "R6", "RColorBrewer", "rlang", "S7", "scales", "vctrs", "viridisLite", "withr" ], "_vignettes": [ { "source": "qcc.Rmd", "filename": "qcc.html", "title": "A quick tour of qcc", "author": "Luca Scrucca", "engine": "knitr::rmarkdown", "headings": [ "Introduction", "Shewhart charts", "x-bar chart", "Specifying dates for rationale subgroups", "R chart", "S chart", "Variable control limits in control charts", "p and np charts", "c and u charts", "Continuous one-at-time data", "Standardized p chart", "Operating Characteristic Curves", "Cusum chart", "EWMA", "Process capability analysis", "Multivariate Quality Control Charts", "Pareto chart", "Cause and effect diagram", "Process variation examples", "Simple random variation", "Between and within sample extra variation", "Autocorrelation", "Recurring cycles", "Trends", "Mixture", "Sudden jumps", "References" ], "created": "2018-02-19 11:38:21", "modified": "2026-08-31 08:41:38", "commits": 14 } ], "_score": 12.682064942100798, "_indexed": true, "_nocasepkg": "qcc", "_universes": [ "luca-scr" ], "_binaries": [ { "r": "4.7.0", "os": "linux", "version": "3.0", "date": "2026-10-08T10:55:00.000Z", "distro": "resolute", "commit": "e09918a0a02f4ff95859135943f8211a048e35a0", "fileid": "https://r2.ropensci.org/4abbd3befdb475999a83d4cbc132b75370de8a3f90d18876b903e1f6bec6323b", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/luca-scr/actions/runs/37765995606" }, { "r": "4.6.1", "os": "linux", "version": "3.0", "date": "2026-10-08T10:55:12.000Z", "distro": "resolute", "commit": "e09918a0a02f4ff95859135943f8211a048e35a0", "fileid": "https://r2.ropensci.org/9c941a9707e3f666667f13164a24424d496b06689d6c5be47dbae6bef3cea8a4", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/luca-scr/actions/runs/37765995606" }, { "r": "4.5.3", "os": "mac", "version": "3.0", "date": "2026-10-08T11:33:21.000Z", "commit": "e09918a0a02f4ff95859135943f8211a048e35a0", "fileid": "https://r2.ropensci.org/c772d65d8d947d8bfa08d6745d6fe85cf9829adb291e9357f7d21a4e26f1eeec", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/luca-scr/actions/runs/37765995606" }, { "r": "4.6.1", "os": "mac", "version": "3.0", "date": "2026-10-08T11:30:42.000Z", "commit": "e09918a0a02f4ff95859135943f8211a048e35a0", "fileid": "https://r2.ropensci.org/5584a6365ff9f62bce83432c17ddf9dd21f754d8fbe7b48aa4054c9286246b01", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/luca-scr/actions/runs/37765995606" }, { "r": "4.6.0", "os": "wasm", "version": "3.0", "date": "2026-10-08T10:54:53.000Z", "commit": "e09918a0a02f4ff95859135943f8211a048e35a0", "fileid": "https://r2.ropensci.org/b40b2af180c3796900df1fecd1567e549f69ccd4107113a4c7d1ce2d56711acd", "status": "success", "buildurl": "https://github.com/r-universe/luca-scr/actions/runs/37765995606" }, { "r": "4.7.0", "os": "win", "version": "3.0", "date": "2026-10-08T10:54:19.000Z", "commit": "e09918a0a02f4ff95859135943f8211a048e35a0", "fileid": "https://r2.ropensci.org/05071d32125247f95e6667354443c719404e8adf8445ede82cf3b96d1b1e6b15", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/luca-scr/actions/runs/37765995606" }, { "r": "4.5.3", "os": "win", "version": "3.0", "date": "2026-10-08T10:54:09.000Z", "commit": "e09918a0a02f4ff95859135943f8211a048e35a0", "fileid": "https://r2.ropensci.org/1289729d0d46b5d442189c0a040660ff84d4b09baf45e1ffabddbb2aba4e68f5", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/luca-scr/actions/runs/37765995606" }, { "r": "4.6.1", "os": "win", "version": "3.0", "date": "2026-10-08T10:54:27.000Z", "commit": "e09918a0a02f4ff95859135943f8211a048e35a0", "fileid": "https://r2.ropensci.org/b571a4aa1cd357e4af5d156a80f12c2ad8fcdf13e1459385af1ae2be5d0f1650", "status": "success", "check": "OK", "buildurl": "https://github.com/r-universe/luca-scr/actions/runs/37765995606" } ] }