Research Article
Identification of Far-Field Long-Period Ground Motions Using Phase Derivatives
Table 3
Results for classification by using the proposed method.
| Observation | Prediction | Non-long-period | Long‐period | Percentage |
| Non-long-period | 484 | 0 | 100 | Long‐period | 36 | 228 | 86.4 | Total percentage | — | — | 95.2 |
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