Research on Positioning and Monitoring Method of Pipeline Abnormal State Based on Sliding Window Outlier Analysis

Table 2

Number of invasion false alarms under different values of and under case 1.

NS	False alarm number of groundwater invasion
	K = 10	K = 20	K = 30	K = 40	K = 50
100	>55	7	2	2	1
200	35	3	0	0	0
500	>55	10	1	1	0
700	>55	25	8	5	2