Research Article
Identification of Mine Water Inrush Source Based on PCA-FDA: Xiandewang Coal Mine Case
Table 7
Samples to be identified and identification results.
| Sample number | Indicator of water chemical composition | Actual result | PCA-FDA | FDA | | | | | | | | |
| 1 | 225.73 | 7.82 | 19.31 | 66.33 | 14.59 | 14.89 | 29.22 | 256.23 | I | I | I | 2 | 228.73 | 7.79 | 42.53 | 69.34 | 13.5 | 9.57 | 34.16 | 323.95 | I | I | II | 3 | 227.23 | 7.20 | 20.00 | 66.70 | 14.72 | 16.31 | 23.05 | 269.66 | I | I | I | 4 | 31.53 | 8.34 | 172.88 | 7.82 | 2.92 | 89.65 | 71.62 | 265.54 | III | II | II | 5 | 1062.59 | 6.90 | 53.47 | 306.61 | 72.11 | 15.96 | 832.26 | 352.02 | III | III | III | 6 | 600.12 | 7.00 | 12.54 | 179.16 | 37.09 | 16.31 | 367.97 | 313.58 | III | III | III | 7 | 16.02 | 8.50 | 220.70 | 3.61 | 1.70 | 89.35 | 29.64 | 413.63 | II | II | II | 8 | 12.01 | 8.00 | 197.49 | 3.01 | 1.09 | 78.36 | 25.11 | 373.37 | II | II | I | 9 | 7.51 | 7.80 | 274.27 | 2.00 | 0.61 | 120.2 | 22.23 | 502.1 | II | II | II | 10 | 100.66 | 8.40 | 268.85 | 65.45 | 0.00 | 23.54 | 135.65 | 507.28 | IV | IV | IV | 11 | 0.45 | 10.50 | 323.24 | 2.20 | 0.00 | 70.20 | 44.04 | 285.52 | IV | IV | IV | 12 | 0.39 | 9.40 | 299.79 | 2.20 | 0.00 | 71.98 | 4.94 | 579.18 | IV | IV | IV |
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