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New Methods for Anomaly Detection: Run Rules Multivariate Coefficient of Variation Control Charts
Tran, Phuong Hanh; Rakitzis, A. C.; Nguyen, H. D. et al.
2020In 2020 International Conference on Advanced Technologies for Communications (ATC)
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Keywords :
Anomaly Detection;Run Rules;Markov Chain; Multivariate Coefficient of Variation; Control Chart
Abstract :
[en] Among the anomaly detection methods, control charts have been considered important techniques. In practice, however, even under the normal behaviour of the data, the standard deviation of the sequence is not stable. In such cases, the coefficient of variation (CV) is a more appropriate measure for assessing system stability. In this paper, we consider the statistical design of Run Rules-based control charts for monitoring the CV of multivariate data. A Markov chain approach is used to evaluate the statistical performance of the proposed charts. The computational results show that the Run Rules-based charts outperform the standard Shewhart control chart significantly. Moreover, by choosing an appropriate scheme, the Run Rules-based charts perform better than the Run Sum control chart for monitoring the multivariate CV.
Disciplines :
Electrical & electronics engineering
Author, co-author :
Tran, Phuong Hanh  ;  Université de Liège - ULiège > HEC Recherche
Rakitzis, A. C.
Nguyen, H. D.
Nguyen, Quoc Thong ;  Université de Liège - ULiège > HEC Liège : UER > UER Opérations: Statistique appl. à la gest. et à l'économie
Tran, Hien
Tran, Kim Phuc
Heuchenne, Cédric ;  Université de Liège - ULiège > HEC Liège : UER > UER Opérations: Statistique appl. à la gest. et à l'économie
Language :
English
Title :
New Methods for Anomaly Detection: Run Rules Multivariate Coefficient of Variation Control Charts
Publication date :
2020
Event name :
International Conference on Advanced Technologies for Communications (ATC)
Event place :
Vietnam
Event date :
from 8-10-2020 to 10-10-2020
Audience :
International
Main work title :
2020 International Conference on Advanced Technologies for Communications (ATC)
Publisher :
IEEE
ISBN/EAN :
978-1-7281-8065-6
Pages :
40-44
Peer reviewed :
Peer reviewed
Available on ORBi :
since 24 November 2020

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