Create an object of class 'npqcs' to perform statistical quality control.
This function is used to compute statistics required to plot
Non Parametric Multivariate Control Charts.
Usage
npqcs(x, method = c("Tukey", "Liu", "Mahalanobis", "RP", "LD"), ...)
Arguments
- x
Object npqcd (Non Parametric Multivariate Quality Control Data)
- method
Character string which determines the depth function used.
method can be "Tukey" (the default), "Liu", "Mahalanobis", "RP" Random Project or "LD" Likelihood depth.
- ...
Arguments passed to or from methods.
