Table 3.
Run length profile of control charts for λ = 0.25 for ARL0 = 370.
| δ | n1 = 3, n2 = 6 | n1 = 5, n2 = 10 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| FEWMA | VEWMA | ASEWMA | FEWMA | VEWMA | ASEWMA | |||||||
| L1 = 2.8996 | L2 = 3.1540 | L3 = 2.9060 | L1 = 2.8995 | L2 = 3.1351 | L3 = 2.9060 | |||||||
| ARL | SDRL | ARL | SDRL | ARL | SDRL | ARL | SDRL | ARL | SDRL | ARL | SDRL | |
| 0 | 371.27 | 371.23 | 371.94 | 371.92 | 370.82 | 370.80 | 370.26 | 370.23 | 370.33 | 366.50 | 370.08 | 370.05 |
| 0.1 | 292.64 | 292.62 | 294.82 | 292.30 | 262.17 | 260.48 | 296.63 | 296.60 | 249.02 | 249.00 | 225.42 | 225.39 |
| 0.2 | 176.01 | 173.14 | 173.12 | 170.98 | 137.62 | 136.67 | 179.31 | 177.55 | 124.00 | 121.67 | 93.41 | 90.10 |
| 0.3 | 102.32 | 99.11 | 100.16 | 98.23 | 72.17 | 69.98 | 101.92 | 99.46 | 61.46 | 58.60 | 44.60 | 41.48 |
| 0.4 | 62.26 | 58.50 | 58.47 | 55.50 | 41.06 | 38.45 | 61.72 | 59.17 | 33.73 | 30.48 | 24.26 | 21.55 |
| 0.6 | 27.06 | 24.01 | 24.86 | 21.47 | 17.62 | 14.77 | 27.26 | 24.22 | 14.35 | 11.23 | 10.49 | 7.77 |
| 0.8 | 14.93 | 12.00 | 13.33 | 10.20 | 9.94 | 7.36 | 14.95 | 11.98 | 7.89 | 5.26 | 6.09 | 3.90 |
| 1.0 | 9.44 | 6.91 | 8.56 | 5.79 | 6.47 | 4.23 | 9.47 | 6.91 | 5.29 | 3.03 | 4.23 | 2.38 |
| 2.0 | 2.78 | 1.46 | 2.83 | 1.20 | 2.36 | 0.94 | 2.79 | 1.46 | 2.10 | 0.76 | 1.87 | 0.60 |
| 3.0 | 1.55 | 0.68 | 1.83 | 0.62 | 1.65 | 0.54 | 1.54 | 0.67 | 1.41 | 0.50 | 1.31 | 0.46 |
| 4.0 | 1.13 | 0.35 | 1.38 | 0.49 | 1.29 | 0.45 | 1.14 | 0.35 | 1.09 | 0.28 | 1.05 | 0.23 |
| 5.0 | 1.01 | 0.13 | 1.11 | 0.32 | 1.08 | 0.26 | 1.01 | 0.12 | 1.00 | 0.07 | 1 | 0.07 |