anhoej / qicharts2

R package: Quality improvement charts
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UCL formula for MR chart in vignette #19

Closed dan410 closed 5 years ago

dan410 commented 5 years ago

In your vignette, appendix 1, I believe the 3 sigma limit for the MR chart should be 3.267MR, not MR + 3.267MR. The R code in the package looks correct.

anhoej commented 5 years ago

Well spotted. Thanks.