Good morning,
I have some problem adding ablines in Rstudio.
The lines drew by the software doesen?t match with the added values, what can I do?
pfaOK<-qcc(D[!trial], sizes=size[!trial], type="p", nsigmas=2, data.name="Polli positivi al Campylobacter")
pfaOK1<-qcc(D[!trial], sizes=size[!trial], type="p", data.name="Polli positivi al Campylobacter")
abline(h=pfaOK$limits[1], lty=1, col="red")
abline(h=pfaOK$limits[2], lty=1, col="red")
abline(h=0.02204175, col="red")
abline(h=0.1996249, col="red")
abline(h=2.204175, col="red")
abline(h=19.96249, col="red")
Thanks for the attention,
Arianna
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