This data set contains the colonscopy times (minutes)
for 30 subgroups of 5 patients given in Allison Jones-Farmer et al. (2009).
Usage
data(colonscopy)
Arguments
Format
A 5x30 matrix.
References
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,
tools:::Rd_expr_doi("10.1080/00224065.2009.11917784").