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 | 
Documentation:
Downloads:
Reverse dependencies:
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