Skip to main content
. 2025 Aug 22;15:30964. doi: 10.1038/s41598-025-16531-2

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