A One-Class Classification-Based Control Chart Using the 𝐾-Means Data Description Algorithm

Table 1

ARL comparison for three OC-charts.

𝛿	K-chart	KNN-chart	KM-chart
0.00	200.000	200.000	200.000
0.25	100.000	200.000	192.308
0.50	66.667	200.000	185.185
0.75	66.667	100.000	166.667
1.00	50.000	40.000	147.059
1.25	50.000	14.285	117.647
1.50	40.000	9.091	86.956
1.75	28.571	3.703	60.976
2.00	22.222	1.695	39.370
2.25	13.333	1.020	25.707
2.50	6.896	1.000	16.340
2.75	4.167	1.000	9.597
3.00	2.439	1.000	5.540
3.25	1.709	1.000	3.250
3.50	1.197	1.000	1.997
3.75	1.036	1.000	1.390
4.00	1.000	1.000	1.116
5.00	1.000	1.000	1.000