Intelligent Diagnosis of Bogie Traction Seat Based on PCA-OVO and SVM Optimized by Modified Arithmetic Optimization Algorithm

Table 2

Experimental data of traction seat.

State	Normal	Small crack	Large crack
Label naming	N	S	L
Sample points in a single group	6000	6000	6000
Number of training data groups	280	280	280
Number of test data groups	120	120	120
Number of sample groups	400	400	400