colonscopy {dfphase1} | R Documentation |
This data set contains the colonscopy times (minutes) for 30 subgroups of 5 patients given in Allison Jones-Farmer et al. (2009).
data(colonscopy)
A 5x30 matrix.
L. A. Jones-Farmer, V. Jordan, C. W. Champs (2009) “Distribution-free Phase I control charts for subgroup location”, Journal of Quality Technology, 41, pp. 304–316.
data(colonscopy) phase1Plot(colonscopy)