Bearing Fault Identification Method Based on Collaborative Filtering Recommendation Technology

Table 5

Cross-validation set identification rate.

k	λ
	0.0015 (%)	0.002 (%)	0.0025 (%)	0.003 (%)	0.0035 (%)	0.004 (%)
4	60.71	72.62	72.62	71.43	70.24	70.24
5	78.57	92.86	92.86	90.48	90.48	88.10
6	67.86	84.52	82.14	82.14	80.95	77.38
7	70.24	85.71	84.52	84.52	84.52	80.95
8	69.05	91.67	91.67	91.67	89.29	89.29
9	67.86	77.38	79.76	80.95	79.76	78.57