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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.
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Ahmed Abu Shawiesh, Moustafa Omar; George, Florence; and Kibria, B M Golam, "A Comparison of Some Robust Bicariate Control Charts for Individual Observations" (2014). Department of Mathematics and Statistics. 12.
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