Research Article

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

Figure 5

Precision, recall, and scores of four models.
(a) Precision, recall, and score of the KNN model
(b) Precision, recall, and score of RF
(c) Precision, recall, and score of the GBDT model with and
(d) Precision, recall, and score of the KSVM model with