Research Article
Prediction of Residual Gas Content during Coal Roadway Tunneling Based on Drilling Cuttings Indices and BA-ELM Algorithm
Table 1
Sample dataset for drilling cuttings indices and residual gas content in coal seam.
| No. | K1 (mL/(g·min1/2)) | S (kg/m) | Q (m3/t) |
| 1 | 0.29 | 3.0 | 6.233 | 2 | 0.12 | 2.9 | 5.230 | 3 | 0.15 | 2.9 | 5.375 | 4 | 0.16 | 2.9 | 5.417 | 5 | 0.05 | 3.0 | 4.578 | 6 | 0.04 | 3.0 | 4.090 | 7 | 0.03 | 2.8 | 4.020 | 8 | 0.18 | 2.9 | 5.558 | 9 | 0.14 | 2.9 | 5.344 | 10 | 0.18 | 3.2 | 5.611 | 11 | 0.10 | 3.1 | 5.587 | 12 | 0.30 | 3.1 | 6.127 | 13 | 0.13 | 2.9 | 5.397 | 14 | 0.24 | 3.1 | 5.709 | 15 | 0.04 | 2.9 | 4.977 | 16 | 0.08 | 2.8 | 4.755 | 17 | 0.07 | 3.1 | 5.370 | 18 | 0.20 | 3.1 | 6.031 | 19 | 0.25 | 3.7 | 6.510 | 20 | 0.31 | 3.2 | 6.266 |
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Note. This table lists the first 20 groups of the sample data.
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