Publication: THE PRESENCE OF AUTOCORRELATION ON THE T-2 CONTROL CHART OF HAROLD HOTELLING
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Date
Advisor
Coadvisor
Graduate program
Undergraduate course
Journal Title
Journal ISSN
Volume Title
Publisher
Univ Federal Fluminense, Escola Engenharia, Dept Engenharia Producao
Type
Article
Access right
Acesso restrito
Abstract
The presence of autocorrelation violates the hypothesis of data independence used in statistical control charts in the manufacturing environment. This article examines graphically, using the Mahalanobis distance, the effect of autocorrelation in two measurable quality characteristics of X and Y, whose correlation and autocorrelation structures are from a VAR model(1). With the graphical evaluation, it is possible to understand that the presence of autocorrelation cannot be neglected by the users who use as statistical tool the control charts to monitor processes.
Description
Keywords
Autocorrelation, Control Chart, T-2 of Hotelling
Language
English
Citation
Sistemas & Gestao. Rio De Janeiro: Univ Federal Fluminense, Escola Engenharia, Dept Engenharia Producao, v. 12, n. 3, p. 252-259, 2017.
