Research on Multilevel Classification of High-Speed Railway Signal Equipment Fault Based on Text Mining

Table 6

Multilevel classification results of multitask cooperative voting.

Method	Level	Accuracy	Recall	F1 value
Stacking + multitask cooperative voting decision tree	First-level classification	0.8924	0.8561	0.8738
	Second-level classification	0.8152	0.7446	0.7783