Fault Diagnosis of Signal Equipment on the Lanzhou-Xinjiang High-Speed Railway Using Machine Learning for Natural Language Processing

Table 4

Classification effect of topic feature space.

Method	Precision	Recall	F1-measure
LDA + LR	0.81	0.84	0.81
LDA + NB	0.77	0.74	0.75
LDA + RF	0.75	0.82	0.78
LDA + KNN	0.80	0.81	0.80
LDA + SVM	0.84	0.87	0.83