Discovering Insightful Rules among Truck Crash Characteristics using Apriori Algorithm

Table 3

Average support, confidence, and lift values by subset sizes.

Size of subsets ()	Number of rules	Number of rules lift >1	Average support values	Average confidence values	Average lift values
2	583	517	0.117	0.696	1.383
3	6,891	6,323	0.060	0.726	1.316
4	27,320	25,704	0.045	0.752	1.379
5	55,812	53,338	0.040	0.770	1.445
6	77,064	74,225	0.037	0.782	1.494
7	86,968	84,044	0.036	0.789	1.526
8	90,159	87,227	0.036	0.792	1.543
9	90,868	87,935	0.036	0.792	1.548
10	90,951	88,018	0.036	0.792	1.549