It computes statistics to be used in Multivariante Quality Control

Create an object of class 'mqcs' to perform statistical quality control. This function is used to compute statistics required to plot Multivariate Control Charts

Usage

mqcs(x, method = "sw", ...)

Arguments

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.