|
| X1 | X2 | X3 | X4 |
| X1 | 1.000 | 0.992 | 0.998 | 0.999 |
| X2 | 0.992 | 1.000 | 0.997 | 0.997 |
| X3 | 0.998 | 0.997 | 1.000 | 1.000 |
| X4 | 0.999 | 0.997 | 1.000 | 1.000 |
| 均值 | 0.9973 | 0.9965 | 0.9988 | 0.9990 |