出版社：Center for Quality, Faculty of Engineering, University of Kragujevac, Serbia
摘要：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.
关键词：Bivariate control chart; False Alarm; Hotelling’s T2 statistic; Outliers; Robust estimation; Simulation Study; Statistical process control
