qicharts: Quality Improvement Charts
Functions for making run charts [Anhoej, Olesen (2014) <doi:10.1371/journal.pone.0113825>] and basic Shewhart control charts [Mohammed, Worthington, Woodall (2008) <doi:10.1136/qshc.2004.012047>] for measure and count data. The main function, qic(), creates run and control charts and has a simple interface with a rich set of options to control data analysis and plotting, including options for automatic data aggregation by subgroups, easy analysis of before-and-after data, exclusion of one or more data points from analysis, and splitting charts into sequential time periods. Missing values and empty subgroups are handled gracefully.
| Version: | 0.5.10 |
| Depends: | R (≥ 3.0.0) |
| Imports: | lattice,latticeExtra, graphics, grDevices, stats,scales,ggplot2 (≥ 2.0.0) |
| Suggests: | knitr,rmarkdown |
| Published: | 2025-04-03 |
| DOI: | 10.32614/CRAN.package.qicharts |
| Author: | Jacob Anhoej [aut, cre], Timo Roeder [ctb] |
| Maintainer: | Jacob Anhoej <jacob at anhoej.net> |
| License: | GPL-3 |
| NeedsCompilation: | no |
| Materials: | README,NEWS |
| CRAN checks: | qicharts results |
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