We studied the application of a simple two-out-of-two runs
rule (RR) on the classical PEWMA chart. For the classical
International Journal of Humanities and Management Sciences (IJHMS) Volume 1, Issue 1 (2013) ISSN 2320–4044 (Online)
20
EWMA, the applications of runs rules have significantly
improve the performance of the charts [6]. This however, is
not the case with the PEWMA chart. The application of a
simple 2
2 rule on the later is worse than the classical PEWMA
chart (cf. Tables I-VI). It is the least performing scheme in
terms of ARL, AEQL, PCI and ARARL, in detecting mean
changes in Poisson processes.
We studied the application of a simple two-out-of-two runsrule (RR) on the classical PEWMA chart. For the classicalInternational Journal of Humanities and Management Sciences (IJHMS) Volume 1, Issue 1 (2013) ISSN 2320–4044 (Online)20EWMA, the applications of runs rules have significantlyimprove the performance of the charts [6]. This however, isnot the case with the PEWMA chart. The application of asimple 22 rule on the later is worse than the classical PEWMAchart (cf. Tables I-VI). It is the least performing scheme interms of ARL, AEQL, PCI and ARARL, in detecting meanchanges in Poisson processes.
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