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anhoej / spc4hc

Mastering statistical process control charts - A practical guide for data scientists
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Improved c-chart #8

Open ProfMohammed opened 2 months ago

ProfMohammed commented 2 months ago

See - https://www.sciencedirect.com/science/article/abs/pii/S0957417410014569?via%3Dihub It suggests that limits based on c +/- 3*sqrt(c) + 4/3 is a nice little improvement