Compute average run length for control chart.
ARL1(x,K,pm1,pI1)
ARL0(x,ARL0=370,gridsize=20)An R object generate using kde function
from package ks.
a vector of the levels
in-control average run length
out-of-control parameters for the control chart.
Gridsize of countour levels to search for ARL.
Yang, S.F. and Wang, B. ``Using A Kernel Control Region to Monitor Both the Process Location and Dispersion''.