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New control charts for monitoring covariance matrix with individual observations |
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| Authors: | Ahmad Ostadsharif Memar Seyed Taghi Akhavan Niaki |
| Affiliation: | Department of Industrial Engineering, Sharif University of Technology, P.O. Box 11155‐9414 Azadi Ave., Tehran, Iran |
| Abstract: | |
| Keywords: | covariance matrix multivariate exponentially weighted mean square deviation multivariate exponentially weighted moving variance L1‐norm‐based distance L2‐norm‐based distance |