The performance of robust multivariate statistical control charts based on different cutoff-points with sustained shifts in mean.

• Main Authors: Shabbak, Ashak, Midi, Habshah, Hassan , Mohamad Nooh
• Format: Article
• Language: English
• Published: Asian Network for Scientific Information 2011
• Online Access: http://psasir.upm.edu.my/id/eprint/24745/; http://www.ansinet.com/

A separate univariate control chart for each characteristic is often used to detect changes in the inherent variability of a process because of ease of computation. Nevertheless, the shortcoming of using separate individual charts would not have detected out of control condition when the characteris...