qicharts2 (0.6.1)

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Quality Improvement Charts.


Functions for making run charts, Shewhart control charts and Pareto charts for continuous quality improvement. Included control charts are: I, MR, Xbar, S, T, C, U, U', P, P', and G charts. Non-random variation in the form of minor to moderate persistent shifts in data over time is identified by the Anhoej rules for unusually long runs and unusually few crossing [Anhoej, Olesen (2014) ]. Non-random variation in the form of larger, possibly transient, shifts is identified by Shewhart's 3-sigma rule [Mohammed, Worthington, Woodall (2008) ].

Maintainer: Jacob Anhoej
Author(s): Jacob Anhoej [aut, cre]

License: GPL-3

Uses: ggplot2, scales, testthat, knitr, dplyr, tidyr, rmarkdown

Released 14 days ago.

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