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The value of total correlation coefficient and loadings of PC1 for seven sensors.
| No | Sensor number | The summation of correlation coefficient | Sensor number | Loadings for PC1 |
|---|---|---|---|---|
| 1 | 23 | 5.4960 | 23 | −0.03041 |
| 2 | 31 | 16.016 | 31 | −0.09815 |
| 3 | 1 | 19.334 | 1 | −0.12595 |
| 4 | 2 | 24.291 | 2 | −0.15748 |
| 5 | 4 | 25.343 | 4 | −0.16391 |
| 6 | 9 | 25.714 | 9 | −0.16607 |
| 7 | 5 | 26.599 | 5 | −0.17615 |
