Research Article

Research on Recognition of Quiet Period of Sandstone Acoustic Emission Based on Four Machine Learning Algorithms

Table 5

The accuracy of different algorithms and different data sets.

Machine learning algorithmData setAlgorithm mean
Frequency domain data setTime domain data setComposite data set

KNN0.780.810.890.83
KSVM0.820.880.910.87
GBDT0.80.820.900.84
RF0.690.850.910.81
Data set mean0.770.840.900.84