国际期铜价格波动中的金融因素分析
|
程慧, 徐琼, 郭尧琦, 陈伟勋
|
Financial factors in international copper futures price volatility
|
Hui CHENG, Qiong XU, Yaoqi GUO, Weixun CHEN
|
|
表2 各阶段PLS模型回归的精度分析 |
Table 2 Precision analysis of PLS model regression at each stage |
|
| 成分 | RdX | RdX(cum) | RdY | RdY(cum) | Q2 | Q2(cum) | 全样本 | t1 | 0.530 | 0.530 | 0.843 | 0.843 | 0.843 | 0.843 | t2 | 0.126 | 0.655 | 0.082 | 0.925 | 0.520 | 0.925 | t3 | 0.112 | 0.768 | 0.015 | 0.940 | 0.199 | 0.940 | 阶段1 | t1 | 0.358 | 0.358 | 0.637 | 0.637 | 0.636 | 0.636 | t2 | 0.385 | 0.743 | 0.041 | 0.678 | 0.109 | 0.675 | t3 | 0.138 | 0.881 | 0.037 | 0.715 | 0.110 | 0.711 | t4 | 0.078 | 0.959 | 0.021 | 0.736 | 0.068 | 0.731 | t5 | 0.011 | 0.970 | 0.025 | 0.760 | 0.072 | 0.750 | 阶段2 | t1 | 0.588 | 0.588 | 0.654 | 0.654 | 0.646 | 0.646 | | t2 | 0.200 | 0.788 | 0.051 | 0.706 | 0.088 | 0.677 | | t3 | 0.077 | 0.865 | 0.059 | 0.764 | 0.136 | 0.721 | | t4 | 0.027 | 0.892 | 0.077 | 0.841 | 0.201 | 0.777 | 阶段3 | t1 | 0.564 | 0.564 | 0.930 | 0.930 | 0.927 | 0.927 | | t2 | 0.166 | 0.730 | 0.030 | 0.960 | 0.371 | 0.954 | 阶段4 | t1 | 0.466 | 0.466 | 0.404 | 0.404 | 0.399 | 0.399 | | t2 | 0.153 | 0.619 | 0.171 | 0.575 | 0.267 | 0.560 | | t3 | 0.251 | 0.870 | 0.020 | 0.595 | 0.035 | 0.575 | 阶段5 | t1 | 0.339 | 0.339 | 0.656 | 0.656 | 0.649 | 0.649 | | t2 | 0.437 | 0.776 | 0.055 | 0.712 | 0.140 | 0.698 | | t3 | 0.102 | 0.878 | 0.087 | 0.798 | 0.209 | 0.761 | | t4 | 0.051 | 0.929 | 0.046 | 0.845 | 0.137 | 0.794 | | t5 | 0.022 | 0.951 | 0.032 | 0.877 | 0.105 | 0.816 | 阶段6 | t1 | 0.598 | 0.598 | 0.844 | 0.844 | 0.841 | 0.841 | | t2 | 0.163 | 0.761 | 0.082 | 0.926 | 0.500 | 0.920 | | t3 | 0.072 | 0.834 | 0.011 | 0.937 | 0.075 | 0.926 | 阶段7 | t1 | 0.556 | 0.556 | 0.788 | 0.788 | 0.786 | 0.786 | | t2 | 0.165 | 0.720 | 0.037 | 0.825 | 0.159 | 0.820 |
|
|
|