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.

WWW: http://cran.r-project.org/web/packages/qcc/

PR: 216165
Submitted by: Pedro Giffuni