Table 4 The number of data samples for...

Table 4

The number of data samples for each category of original data and oversampled data

Level	Ra/μm	Original	Smote	ADASYN
1	<0.2	18	36	37
2	0.4∼0.8	56	112	111
3	0.8∼1.6	32	64	69
4	>1.6	22	44	43

Source(s): Authors' own work