| mqcs | R Documentation | 
Create an object of class 'mqcs' to perform statistical quality control. This function is used to compute statistics required to plot Multivariate Control Charts
mqcs(x, method = "sw", ...)
x | 
 An object of class 'mqcd' (Multivariante Quality Control Data)  | 
method | 
 The method employed to compute the covariance matrix in individual observation case. Two methods are used "sw" for compute according to (Sullivan,Woodall 1996a) and "hm" by (Holmes,Mergen 1993)  | 
... | 
 Arguments passed to or from methods.  | 
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