Research Article
A New Nonparametric Multivariate Control Scheme for Simultaneous Monitoring Changes in Location and Scale
Table 2
OC ARL values of these charts for various
and
when zero-state
with the IC distribution
.
| | Shifts | S-W | S-MD | Proposed | S-W | S-MD | Proposed | S-W | S-MD | Proposed |
| | 50 | | | | | | , | 85.5 | 161.2 | 69.1 | 63.7 | 169.6 | 48 | 48.6 | 251 | 42.8 | | , | 25.1 | 58.1 | 16.6 | 15.1 | 62.3 | 11.8 | 10.8 | 129.7 | 9.9 | | , | 26.3 | 71.7 | 25.3 | 16 | 67.8 | 15.8 | 16.9 | 180.4 | 16.5 | | , | 9.8 | 28.9 | 9.6 | 6.5 | 36.1 | 6.4 | 5.5 | 90 | 5.3 |
| | 100 | | | | | | , | 69.1 | 12.6 | 57.6 | 22.9 | 110.7 | 21.2 | 17.7 | 180.7 | 16.2 | | , | 16.9 | 34.4 | 12.2 | 5.6 | 27.8 | 4.6 | 4.8 | 72.1 | 4.1 | | , | 20.7 | 42.8 | 18.5 | 7.3 | 40.5 | 6.9 | 8 | 114.8 | 7.3 | | , | 7.9 | 14.6 | 7.5 | 3.1 | 11.7 | 3 | 2.5 | 47.4 | 2.5 |
| | 200 | | | | | | , | 58.3 | 96.7 | 49.8 | 16.7 | 62.7 | 14.2 | 7.8 | 10.6 | 7.3 | | , | 14.9 | 23.3 | 9.8 | 4.1 | 15 | 3.3 | 2.5 | 10.6 | 2.5 | | , | 19 | 28.3 | 18.7 | 4.4 | 15 | 4.1 | 3.5 | 20.3 | 3.3 | | , | 6.7 | 10.5 | 6.1 | 2.3 | 4.3 | 2.3 | 2 | 4.6 | 2 |
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