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.

qcc: An R package for quality control charting and statistical process control

This package provides quality control tools for statistical process control.

• 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.

Author/Maintainer

• Luca Scrucca

Contributors

• Greg Snow
• Peter Bloomfield

Installation

To install the package type the following:

install.packages("qcc")
library(qcc)

Or you can install the development version from GitHub:

library(devtools)
install_github("luca-scr/qcc")
library(qcc)

How to Use This Package

See the paper

Scrucca, L. (2004) qcc: an R package for quality control charting and statistical process control. R News 4/1, 11-17.

and the vignette

A quick tour of qcc

Both documents are available in the Vignettes and other documentation section of the help.