Reference : On the properties of the hotelling’s T2 control chart with variable sampling intervals
Scientific journals : Article
Business & economic sciences : Quantitative methods in economics & management
http://hdl.handle.net/2268/90012
On the properties of the hotelling’s T2 control chart with variable sampling intervals
English
Faraz, Alireza mailto [Université de Liège - ULg > HEC-Ecole de gestion de l'ULg : UER > Statistique appliquée à la gestion et à l'économie >]
Chalaki, Kamyar mailto [Islamic Azad University–Urmia Branch, Urmia, Iran > School of Mathematical Science, > > >]
Moghadam, M. B. mailto [Allameh Tabatabaee University, Tehran, Iran > Department of Statistics, Faculty of Economic, > > >]
Apr-2011
Quality & Quantity
Springer Science & Business Media B.V.
45
3
579-586
Yes (verified by ORBi)
International
0033-5177
[en] Hotelling’s T 2 control chart ; Markoc chain ; Adjusted average time to signal (AATS)
[en] When T 2 control chart is used to monitor a process, it is usually assumed that
the samples of size n0 is taken at constant intervals t0 . In this paper, we investigate the
T 2 control chart for monitoring the process mean vector when the sampling intervals are
variable. Recent studies have shown that the variable sampling interval (VSI) scheme helps
practitioners detect process shifts more quickly than the classical scheme Fixed Ratio Sampling
(FRS). In this paper, it is assumed that the length of time the process remains in control
is exponentially distributed.
Islamic Azad university of Masjed-Soleiman, Khuzestan, Iran
Researchers ; Professionals ; Students
http://hdl.handle.net/2268/90012
10.1007/s11135-010-9314-z
http://link.springer.com/article/10.1007%2Fs11135-010-9314-z

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