qcc

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An R package for quality control charting and statistical process control.

The qcc 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.

Installation

You can install the released version of qcc from CRAN:

``r install.packages("qcc")

or the development version from GitHub:

 r
install.packages("devtools")
devtools::install_github("luca-scr/qcc", build = TRUE, build_opts = c("--no-resave-data", "--no-manual"))

Usage
Usage of the main functions and some examples are included in Scrucca (2004). 
The vignette A quick tour of qcc is also available with the command:
 r
vignette("qcc")

`` or through the GitHub web page of the package at .

References

Montgomery, D.C. (2009) Introduction to Statistical Quality Control, 6th ed. New York: John Wiley & Sons.

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

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