Comparison of the Heinelink control panels (T^2) and the multivariate (SN^2) signal

Abstract

This research examined the comparison between the performance of the multivariate
parameter control (T^2), and the multivariate non-parametric signal panel (SN^2), by
implementing simulation experiments in the cases of multivariate natural distribution
and multivariate (t) distribution and by adopting sample sizes (15, 25, 50), and the
comparison was made on the basis of two criteria: convergence distribution for the
upper limits and the average range length. The preference of the non-parametric signal
plate (SN^2) was reached in the case of multivariate (t) distribution, while the
preference of the Heinlink board (T^2) was in the case of multivariate normal
distribution, and then the results of simulation experiments were applied to data related
to chemical tests and physical water for drinking water in Baghdad Water Department
/ Karkh Laboratory.