colonscopy {dfphase1}

Colonscopy Times

Description

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)

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, doi:10.1080/00224065.2009.11917784.

Examples

data(colonscopy)
phase1Plot(colonscopy)