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| Reference : Hotelling’s T2 control chart with two adaptive sample sizes |
| Scientific journals : Article | |||
| Business & economic sciences : Quantitative methods in economics & management | |||
| http://hdl.handle.net/2268/92181 | |||
| Hotelling’s T2 control chart with two adaptive sample sizes | |
| English | |
| [en] VSS T2 | |
Faraz, Alireza  [Université de Liège - ULg > HEC-Ecole de gestion de l'ULg : UER > Statistique appliquée à la gestion et à l'économie >] | |
| Moghadam, M. B. [Allameh Tabatabaee University, Tehran, Iran > Department of Statistics, Faculty of Economic, > > >] | |
| 2009 | |
| Quality & Quantity | |
| Springer Science & Business Media B.V. | |
| 43 | |
| 6 | |
| 903-913 | |
| International | |
| 0033-5177 | |
| [en] Hotelling’s T 2 control chart ; Adjusted average time to signal (AATS) ; Adaptive sample size | |
| [en] Some quality control schemes have been developed when several related quality
characteristics are to be monitored. The familiar multivariate process monitoring and control procedure is the Hotelling’s T 2 control chart for monitoring the mean vector of the process. It is a direct analog of the univariate shewhart ¯ x chart. As in the case of univariate, the ARL improvements are very important particularly for small process shifts. In this paper, we study the T 2 control chart with two-state adaptive sample size, when the shift in the process mean does not occur at the beginning but at some random time in the future. Further, the occurrence time of the shift is assumed to be exponentially distributed random variable. | |
| http://hdl.handle.net/2268/92181 | |
| 10.1007/s11135-008-9167-x |
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