Table 2.
Run length profile of control charts for λ = 0.15 and ARL0 = 370.
| δ | n1 = 3, n2 = 6 | n1 = 5, n2 = 10 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| FEWMA | VEWMA | ASEWMA | FEWMA | VEWMA | ASEWMA | |||||||
| L1 = 2.8109 | L2 = 3.1114 | L3 = 2.8100 | L1 = 2.8091 | L2 = 3.1001 | L3 = 2.8100 | |||||||
| ARL | SDRL | ARL | SDRL | ARL | SDRL | ARL | SDRL | ARL | SDRL | ARL | SDRL | |
| 0 | 370.92 | 370.14 | 370.58 | 370.54 | 370.33 | 370.30 | 370.38 | 370.36 | 370.90 | 370.88 | 370.46 | 370.44 |
| 0.1 | 268.62 | 267.48 | 264.32 | 264.18 | 232.96 | 232.19 | 269.46 | 267.13 | 216.82 | 215.22 | 184.68 | 182.68 |
| 0.2 | 143.67 | 139.90 | 136.43 | 131.70 | 107.33 | 106.08 | 141.07 | 139.06 | 94.07 | 89.87 | 69.27 | 65.93 |
| 0.3 | 77.19 | 73.00 | 73.19 | 68.71 | 52.48 | 49.55 | 77.75 | 73.81 | 44.91 | 40.91 | 33.19 | 29.73 |
| 0.4 | 46.06 | 41.43 | 42.64 | 37.73 | 30.69 | 26.65 | 46.26 | 41.72 | 25.88 | 21.54 | 19.0 | 15.1 |
| 0.6 | 21.19 | 17.17 | 19.43 | 15.18 | 14.19 | 10.85 | 21.16 | 16.94 | 11.83 | 8.27 | 8.89 | 6.05 |
| 0.8 | 12.30 | 8.89 | 11.14 | 7.64 | 8.45 | 5.74 | 12.28 | 8.94 | 7.21 | 4.35 | 5.54 | 3.39 |
| 1.0 | 8.22 | 5.51 | 7.52 | 4.61 | 5.81 | 3.58 | 8.21 | 5.46 | 5.02 | 2.72 | 3.95 | 2.16 |
| 2.0 | 2.65 | 1.39 | 2.77 | 1.16 | 2.28 | 0.9 | 2.63 | 1.37 | 2.08 | 0.75 | 1.81 | 0.6 |
| 3.0 | 1.50 | 0.64 | 1.81 | 0.62 | 1.61 | 0.54 | 1.50 | 0.65 | 1.41 | 0.50 | 1.3 | 0.46 |
| 4.0 | 1.11 | 0.32 | 1.36 | 0.49 | 1.26 | 0.44 | 1.12 | 0.33 | 1.08 | 0.27 | 1.05 | 0.21 |
| 5.0 | 1.01 | 0.11 | 1.11 | 0.31 | 1.06 | 0.25 | 1.01 | 0.12 | 1.00 | 0.07 | 1 | 0.04 |