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- Title
A COMPARISON OF SOME ROBUST BIVARIATE CONTROL CHARTS FOR INDIVIDUAL OBSERVATIONS.
- Authors
Ahmed Abu-Shawiesh, Moustafa Omar; George, Florence; Kibria, B. M. Golam
- Abstract
This paper proposed and considered some bivariate control charts to monitor individual observations from a statistical process control. Usual control charts which use mean and variance-covariance estimators are sensitive to outliers. We consider the following robust alternatives to the classical Hoteling's T2: T2MedMAD, T2MCD, T2MVE A simulation study has been conducted to compare the performance of these control charts. Two real life data are analyzed to illustrate the application of these robust alternatives.
- Subjects
COMPARATIVE studies; ROBUST control; STATISTICAL process control; COMPUTER simulation; PERFORMANCE evaluation; ANALYSIS of variance
- Publication
International Journal for Quality Research, 2014, Vol 8, Issue 2, p183
- ISSN
1800-6450
- Publication type
Article