spccharter
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20 hours ago •
johnmackintosh
johnmackintosh
Creates multiple SPC / process behaviour charts, automatically detecting signals of process change and revising centre lines and control limits.
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Allow data to be passed without a grouping variable. - provide dummy variable to save rewriting all the 'by' blocks? - don't facet final plot
- [x] Calculate y value once, up front to speed up plotting - [ ] Consider calculating flag outside of the processing function - [ ] verify (again) that there...
round_digits should be replaced with signif otherwise default should be unit value + 2 (e.g 100 = 5 (3+2), 1000 = 6 (4 +2)
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Creates multiple SPC / process behaviour charts, automatically detecting signals of process change and revising centre lines and control limits.