Research Article
Multichart Schemes for Detecting Changes in Disease Incidence
Table 5
ARLs with their SDRL (in bracket) for the CUSUM-EWMA-CUSUM charts with
.
| Shifts in | | | | Average EWMA-CUSUM | | | | |
| 1.00 | 201.51 (180.30) | 202.53 (192.35) | 203.86 (202.29) | 202.63 (191.65) | 200.20 (190.23) | 1.25 | 51.92 (35.82) | 45.44 (37.36) | 58.45 (56.17) | 51.94 (43.12) | 47.14 (39.18) | 1.50 | 27.19 (14.17) | 20.64 (14.18) | 24.25 (21.58) | 24.03 (16.64) | 21.66 (15.37) | 1.75 | 18.47 (8.01) | 12.79 (8.96) | 13.50 (10.94) | 14.92 (9.30) | 13.15 (8.58) | 2.00 | 14.05 (5.34) | 9.17 (6.71) | 8.95 (5.62) | 10.72 (5.89) | 9.19 (5.66) | 2.25 | 11.39 (3.98) | 7.26 (4.05) | 6.71 (3.65) | 8.45 (3.89) | 7.08 (4.21) | 2.50 | 9.69 (3.15) | 6.03 (3.08) | 5.25 (2.91) | 6.99 (3.05) | 5.57 (3.22) | 2.75 | 8.41 (2.63) | 5.15 (2.55) | 4.29 (2.31) | 5.95 (2.50) | 4.66 (2.65) | 3.00 | 7.48 (2.23) | 4.47 (2.12) | 3.72 (1.94) | 5.22 (2.10) | 3.96 (2.19) | 3.25 | 6.74 (1.96) | 4.01 (1.77) | 3.27 (1.64) | 4.67 (1.79) | 3.46 (1.90) | 3.50 | 6.13 (1.75) | 3.59 (1.49) | 2.92 (1.41) | 4.21 (1.55) | 3.11 (1.62) | ETD | 12.837 | 8.971 | 9.389 | 10.398 | 8.821 | ETDE | 16.147 | 11.855 | 13.131 | 13.710 | 11.898 |
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