QUALITY NOTES: Simultaneous monitoring of univariate and multivariate SPC information using boxplots
Orlando O. Atienza
(Department of Industrial and Systems Engineering, National University of Singapore, Singapore)
Loon Ching Tang
(Department of Industrial and Systems Engineering, National University of Singapore, Singapore)
Beng Wah Ang
(Department of Industrial and Systems Engineering, National University of Singapore, Singapore)
7290
Abstract
We propose a simple control‐charting scheme for simultaneously displaying univariate and multivariate process information. The proposed chart can be used as a diagnostic tool for understanding the nature of out‐of‐control conditions in multivariate statistical process control (SPC). The chart is easy to implement and interpret. Two examples are given for illustration purposes.
Keywords
Citation
Atienza, O.O., Ching Tang, L. and Wah Ang, B. (1998), "QUALITY NOTES: Simultaneous monitoring of univariate and multivariate SPC information using boxplots", International Journal of Quality Science, Vol. 3 No. 2, pp. 194-204. https://doi.org/10.1108/13598539810211996
Publisher
:MCB UP Ltd
Copyright © 1998, MCB UP Limited