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

Table 4

Single-level text classification results of the stacking model.

Method	Level	Accuracy	Recall	F1 value
Stacking single-layer classification model	First-level classification	0.8814	0.8642	0.8727
	Second-level classification	0.7691	0.6747	0.7188