Table 4 Performance parameters of the PCA-SVM model and the SVM model to predict CSC. In the Table, ES, MS, and LS refer to the early, middle, and late stages of CSC.

From: Research on odor prediction methods for coal spontaneous combustion based on E-nose technology

Parameters

PCA-SVM

SVM

ES

MS

LS

ES

MS

LS

f1_scorem

1.00

1.00

1.00

0.92

0.80

0.83

Recall

0.86

0.86

0.86

0.86

1.00

0.71

precision

0.83

0.92

0.92

1.00

0.67

1.00

Accuracy

0.95

0.85