购物网站 关联系数 | 京东商城 | 亚马逊 | 天猫商城 | 当当网 |
| 0.5248 | 0.3220 | 0.3548 | 0.5171 |
| 0.7875 | 0.3524 | 0.3289 | 0.5601 |
| 0.5002 | 0.4576 | 0.5527 | 0.5201 |
| 0.4977 | 0.2956 | 0.2772 | 0.3976 |
| 0.6417 | 0.5459 | 0.5815 | 0.5828 |
| 0.9541 | 0.3912 | 0.2476 | 0.3694 |
| 0.5218 | 0.3657 | 0.3824 | 0.4660 |
| 0.6645 | 0.3378 | 0.3090 | 0.4743 |
| 0.8174 | 0.3588 | 0.3031 | 0.4857 |
| 0.4391 | 0.3158 | 0.3802 | 0.4892 |
| 0.7392 | 0.3716 | 0.2969 | 0.4216 |
| 0.6800 | 0.2795 | 0.2492 | 1.0000 |
| 0.8685 | 0.2782 | 0.2309 | 0.4899 |
| 0.8726 | 0.3585 | 0.3340 | 0.6063 |