Bearing Fault Identification Method Based on Collaborative Filtering Recommendation Technology

Table 9

Cross-validation set identification rate.

k	λ
	0.001 (%)	0.002 (%)	0.003 (%)	0.004 (%)	0.005 (%)	0.006 (%)
7	88.22	94.44	94.44	92.22	92.22	87.78
8	77.78	93.33	92.22	84.44	77.78	77.78
9	81.11	88.89	81.11	77.78	83.33	77.78
10	83.33	90.00	85.56	86.67	80.00	80.00
11	84.44	87.78	83.33	87.78	77.78	82.22
12	84.44	87.78	93.33	91.11	87.78	86.67