| X1 | X2 | X3 | X4 | X5 | X6 | X7 | X8 | X9 |
关联度 | 0.464 | 0.650 | 0.435 | 0.601 | 0.473 | 0.349 | 0.349 | 0.433 | 0.343 |
关联度 排序 | 4 | 1 | 5 | 2 | 3 | 8 | 7 | 6 | 9 |