Research Article
Multichart Schemes for Detecting Changes in Disease Incidence
Table 8
ARLs with their SDRL (in bracket) for the CUSUM-EWMA-CUSUM charts with
.
| Shifts in | | | | Average EWMA-CUSUM | | | | |
| 1.00 | 500.94 (484.69) | 500.54 (490.24) | 501.72 (492.04) | 501.07 (488.99) | 501.25 (492.97) | 1.25 | 82.02 (61.84) | 70.77 (58.68) | 88.97 (83.2) | 80.59 (67.91) | 74.70 (62.12) | 1.50 | 35.52 (20.29) | 27.66 (18.25) | 30.87 (24.72) | 31.35 (21.09) | 29.24 (19.67) | 1.75 | 22.22 (10.15) | 16.54 (9.14) | 16.75 (11.80) | 18.50 (10.36) | 16.84 (10.09) | 2.00 | 16.54 (6.44) | 11.79 (5.67) | 10.99 (6.84) | 13.11 (6.32) | 11.65 (6.54) | 2.25 | 13.04 (4.67) | 9.28 (4.13) | 8.13 (4.45) | 10.15 (4.42) | 8.79 (4.68) | 2.50 | 10.82 (3.54) | 7.55 (3.25) | 6.48 (3.38) | 8.28 (3.39) | 7.02 (3.50) | 2.75 | 9.44 (2.96) | 6.48 (2.65) | 5.42 (2.70) | 7.11 (2.77) | 5.86 (2.83) | 3.00 | 8.27 (2.48) | 5.65 (2.23) | 4.71 (2.23) | 6.21 (2.31) | 5.04 (2.35) | 3.25 | 7.47 (2.19) | 5.03 (1.90) | 4.10 (1.89) | 5.53 (1.99) | 4.44 (2.00) | 3.50 | 6.76 (1.91) | 4.52 (1.65) | 3.65 (1.61) | 4.98 (1.72) | 3.98 (1.72) | ETD | 16.121 | 12.176 | 12.566 | 13.620 | 12.081 | ETDE | 21.210 | 16.527 | 18.007 | 18.581 | 16.756 |
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