Research Article
Coal Mine Gas Safety Evaluation Based on Adaptive Weighted Least Squares Support Vector Machine and Improved Dempster–Shafer Evidence Theory
Table 1
The sample set of monitoring data.
| Number | A02 (%) | A01 (%) | A09 (m/s) | A11 (mg/m3) | A07 (°C) | A08 (%) |
| 1 | 0.224 | 0.262 | 1.952 | 0.02 | 21.332 | 0.35 | 2 | 0.226 | 0.26 | 1.992 | 0.014 | 21.3 | 0.342 | 3 | 0.218 | 0.26 | 1.97 | 0.08 | 21.306 | 0.342 | 4 | 0.218 | 0.27 | 1.98 | 0.082 | 21.3 | 0.342 | 5 | 0.212 | 0.276 | 2.016 | 0.068 | 21.304 | 0.34 | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | . | 1497 | 0.368 | 0.408 | 1.926 | 0.086 | 22.026 | 0.502 | 1498 | 0.37 | 0.406 | 1.916 | 0.084 | 22 | 0.518 | 1499 | 0.362 | 0.4 | 1.944 | 0.076 | 22 | 0.496 | 1500 | 0.352 | 0.396 | 1.944 | 0.074 | 22 | 0.482 |
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