Package: qcc 3.0

qcc: Quality Control Charts

Shewhart quality control charts for continuous, attribute and count data. Cusum and EWMA charts. Operating characteristic curves. Process capability analysis. Pareto chart and cause-and-effect chart. Multivariate control charts.

Authors:Luca Scrucca [aut, cre, cph], Greg Snow [ctb], Peter Bloomfield [ctb]

qcc_3.0.tar.gz
qcc_3.0.zip(r-4.7)qcc_3.0.zip(r-4.6)qcc_3.0.zip(r-4.5)
qcc_3.0.tgz(r-4.6-any)qcc_3.0.tgz(r-4.5-any)
qcc_3.0.tar.gz(r-4.7-any)qcc_3.0.tar.gz(r-4.6-any)
qcc_3.0.tgz(r-4.6-emscripten)
manual.pdf |manual.html✨
card.svg |card.png
qcc/json (API)
NEWS

# Install 'qcc' in R:
install.packages('qcc', repos = c('https://luca-scr.r-universe.dev', 'https://cloud.r-project.org'))

Bug tracker:https://github.com/luca-scr/qcc/issues

Pkgdown/docs site:https://luca-scr.github.io

Datasets:

On CRAN:

Conda:

12.50 score 58 stars 7 packages 920 scripts 14k downloads 14 mentions 91 exports 20 dependencies

Last updated from:af35099934. Checks:9 OK. Indexed: yes.

TargetResultTimeFilesSyslog
linux-devel-x86_64OK171
source / vignettesOK230
linux-release-x86_64OK168
macos-release-arm64OK134
macos-oldrel-arm64OK118
windows-develOK129
windows-releaseOK119
windows-oldrelOK118
wasm-releaseOK123

Exports:blues.colorscause.and.effectcauseEffectDiagramcusumdescribeellipseChartewmaewmaSmoothlimits.climits.glimits.nplimits.plimits.Rlimits.Slimits.T2limits.T2.singlelimits.ulimits.xbarlimits.xbar.onemqccnclass.histoc.curvesocCurvesocCurves.cocCurves.pocCurves.RocCurves.SocCurves.xbarpareto.chartparetoChartplot.cusum.qccplot.ewma.qccplot.mqccplot.ocCurvesplot.paretoChartplot.processCapabilityplot.qccprint.cusum.qccprint.describeprint.ewma.qccprint.mqccprint.ocCurvesprint.paretoChartprint.processCapabilityprint.qccprocess.capabilityprocessCapabilityqccqcc.groupsqcc.optionsqcc.overdispersion.testqccGroupsqccOverdispersionTestqccRulesqccRulesViolatingNEL1qccRulesViolatingNEL2qccRulesViolatingNEL3qccRulesViolatingNEL4qccRulesViolatingNEL5qccRulesViolatingNEL6qccRulesViolatingNEL7qccRulesViolatingNEL8qccRulesViolatingWER1qccRulesViolatingWER2qccRulesViolatingWER3qccRulesViolatingWER4sd.csd.gsd.npsd.psd.Rsd.Ssd.usd.xbarsd.xbar.onestats.cstats.gstats.npstats.pstats.Rstats.Sstats.T2stats.T2.singlestats.ustats.xbarstats.xbar.onesummary.cusum.qccsummary.ewma.qccsummary.mqccsummary.processCapabilitysummary.qcc

Dependencies:clicpp11crayonfarverggplot2gluegtableisobandlabelinglifecycleMASSpatchworkR6RColorBrewerrlangS7scalesvctrsviridisLitewithr

A quick tour of qcc

Luca Scrucca

Rendered fromqcc.Rmdusingknitr::rmarkdownon Jun 03 2026.

Last update: 2025-05-16
Started: 2018-02-19

Readme and manuals

Help Manual

Help pageTopics
Quality Control Chartsqcc-package
Water content of antifreeze dataantifreeze
Boiler temperature databoiler
Cause and Effect DiagramcauseEffectDiagram
Circuit boards datacircuit
Cusum chartcusum cusum.qcc plot.cusum.qcc print.cusum.qcc summary.cusum.qcc
Descriptive statisticsdescribe print.describe
Dyed cloth datadyedcloth
Multivariate Quality Control ChartsellipseChart
EWMA chartewma ewma.qcc plot.ewma.qcc print.ewma.qcc summary.ewma.qcc
EWMA smoothing functionewmaSmooth
Multivariate Quality Control Chartsmqcc plot.mqcc print.mqcc summary.mqcc
Histogram number of classes/binsnclass.hist
Operating Characteristic FunctionocCurves ocCurves.c ocCurves.p ocCurves.R ocCurves.S ocCurves.xbar plot.ocCurves print.ocCurves
Orange juice dataorangejuice
Orange juice data - Part 2orangejuice2
Pareto chartblues.colors paretoChart plot.paretoChart print.paretoChart
Personal computer manufacturer datapcmanufact
Piston rings datapistonrings
Process capability analysisplot.processCapability print.processCapability processCapability summary.processCapability
Quality Control Chartsplot.qcc print.qcc qcc summary.qcc
Deprecated Functions in 'qcc' packagecause.and.effect oc.curves pareto.chart process.capability qcc.groups qcc.overdispersion.test
Set or return options for the 'qcc' package.qcc.options
Grouping data based on a sample indicatorqccGroups
Overdispersion test for binomial and poisson dataqccOverdispersionTest
Rules for Shewhart chartsqccRules qccRulesViolatingNEL1 qccRulesViolatingNEL2 qccRulesViolatingNEL3 qccRulesViolatingNEL4 qccRulesViolatingNEL5 qccRulesViolatingNEL6 qccRulesViolatingNEL7 qccRulesViolatingNEL8 qccRulesViolatingWER1 qccRulesViolatingWER2 qccRulesViolatingWER3 qccRulesViolatingWER4
Ryan's (2011) multivariate data for quality controlRyanMultivar
Functions to plot Shewhart c chartlimits.c sd.c stats.c
Statistics used in computing and drawing a Shewhart g chartlimits.g sd.g stats.g
Statistics used in computing and drawing a Shewhart np chartlimits.np sd.np stats.np
Statistics used in computing and drawing a Shewhart p chartlimits.p sd.p stats.p
Statistics used in computing and drawing a Shewhart R chartlimits.R sd.R stats.R
Functions to plot Shewhart S chartlimits.S sd.S stats.S
Statistics used in computing and drawing the Hotelling T^2 chart for subgrouped datalimits.T2 stats.T2
Statistics used in computing and drawing the Hotelling T^2 chart for individual observations datalimits.T2.single stats.T2.single
Statistics used in computing and drawing a Shewhart u chartlimits.u sd.u stats.u
Statistics used in computing and drawing a Shewhart xbar chartlimits.xbar sd.xbar stats.xbar
Statistics used in computing and drawing a Shewhart xbar chart for one-at-time datalimits.xbar.one sd.xbar.one stats.xbar.one
Viscosity for aircraft primer paint dataviscosity