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✨
DESCRIPTION |NEWS
card.svg |card.png
qcc/json (API)

# 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:

antifreeze - Water content of antifreeze data
boiler - Boiler temperature data
circuit - Circuit boards data
dyedcloth - Dyed cloth data
orangejuice - Orange juice data
orangejuice2 - Orange juice data - Part 2
pcmanufact - Personal computer manufacturer data
pistonrings - Piston rings data
RyanMultivar - Ryan's (2011) multivariate data for quality control
viscosity - Viscosity for aircraft primer paint data

On CRAN:

12.48 score 58 stars 7 packages 1000 scripts 9.9k downloads 14 mentions 91 exports 20 dependencies

Last updated from:5e1aa87108. Checks:9 OK. Indexed: yes.

Target	Result	Time
linux-devel-x86_64	OK	171
source / vignettes	OK	229
linux-release-x86_64	OK	215
macos-release-arm64	OK	100
macos-oldrel-arm64	OK	112
windows-devel	OK	153
windows-release	OK	147
windows-oldrel	OK	125
wasm-release	OK	107

Dependencies:cli cpp11 crayon farver ggplot2 glue gtable isoband labeling lifecycle MASS patchwork R6 RColorBrewer rlang S7 scales vctrs viridisLite withr

A quick tour of qcc

Rendered fromqcc.Rmdusingknitr::rmarkdown

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

Citation

Development and contributors

Readme and manuals

Help Manual

Help page	Topics
Quality Control Charts	qcc-package
Water content of antifreeze data	antifreeze
Boiler temperature data	boiler
Cause and Effect Diagram	causeEffectDiagram
Circuit boards data	circuit
Cusum chart	cusum cusum.qcc plot.cusum.qcc print.cusum.qcc summary.cusum.qcc
Descriptive statistics	describe print.describe
Dyed cloth data	dyedcloth
Multivariate Quality Control Charts	ellipseChart
EWMA chart	ewma ewma.qcc plot.ewma.qcc print.ewma.qcc summary.ewma.qcc
EWMA smoothing function	ewmaSmooth
Multivariate Quality Control Charts	mqcc plot.mqcc print.mqcc summary.mqcc
Histogram number of classes/bins	nclass.hist
Operating Characteristic Function	ocCurves ocCurves.c ocCurves.p ocCurves.R ocCurves.S ocCurves.xbar plot.ocCurves print.ocCurves
Orange juice data	orangejuice
Orange juice data - Part 2	orangejuice2
Pareto chart	blues.colors paretoChart plot.paretoChart print.paretoChart
Personal computer manufacturer data	pcmanufact
Piston rings data	pistonrings
Process capability analysis	plot.processCapability print.processCapability processCapability summary.processCapability
Quality Control Charts	plot.qcc print.qcc qcc summary.qcc
Deprecated Functions in 'qcc' package	cause.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 indicator	qccGroups
Overdispersion test for binomial and poisson data	qccOverdispersionTest
Rules for Shewhart charts	qccRules qccRulesViolatingNEL1 qccRulesViolatingNEL2 qccRulesViolatingNEL3 qccRulesViolatingNEL4 qccRulesViolatingNEL5 qccRulesViolatingNEL6 qccRulesViolatingNEL7 qccRulesViolatingNEL8 qccRulesViolatingWER1 qccRulesViolatingWER2 qccRulesViolatingWER3 qccRulesViolatingWER4
Ryan's (2011) multivariate data for quality control	RyanMultivar
Functions to plot Shewhart c chart	limits.c sd.c stats.c
Statistics used in computing and drawing a Shewhart g chart	limits.g sd.g stats.g
Statistics used in computing and drawing a Shewhart np chart	limits.np sd.np stats.np
Statistics used in computing and drawing a Shewhart p chart	limits.p sd.p stats.p
Statistics used in computing and drawing a Shewhart R chart	limits.R sd.R stats.R
Functions to plot Shewhart S chart	limits.S sd.S stats.S
Statistics used in computing and drawing the Hotelling T^2 chart for subgrouped data	limits.T2 stats.T2
Statistics used in computing and drawing the Hotelling T^2 chart for individual observations data	limits.T2.single stats.T2.single
Statistics used in computing and drawing a Shewhart u chart	limits.u sd.u stats.u
Statistics used in computing and drawing a Shewhart xbar chart	limits.xbar sd.xbar stats.xbar
Statistics used in computing and drawing a Shewhart xbar chart for one-at-time data	limits.xbar.one sd.xbar.one stats.xbar.one
Viscosity for aircraft primer paint data	viscosity