数据如下:
code | Date | time | RiskPremium | SMB | HML | RMW | CMA | y |
1 | 2010-08-20 | 1 | -0.018048 | -0.001510 | 0.002432 | -0.005290 | -0.002467 | 14.239932 |
1 | 2010-08-23 | 2 | -0.000048 | 0.008739 | -0.006269 | -0.006542 | 0.003935 | 14.009932 |
1 | 2010-08-24 | 3 | 0.005953 | 0.006162 | -0.002887 | 0.000329 | 0.002978 | 14.039932 |
1 | 2010-08-25 | 4 | -0.021048 | 0.001403 | -0.007125 | -0.000121 | 0.003066 | 14.089932 |
1 | 2010-08-26 | 5 | 0.003953 | 0.002926 | -0.004748 | -0.002879 | 0.003220 | 14.179932 |
1 | 2010-08-27 | 6 | 0.003953 | 0.001991 | 0.000478 | 0.005010 | -0.001961 | 14.489932 |
1 | 2010-08-30 | 7 | 0.017953 | 0.005164 | -0.009715 | 0.000005 | 0.005471 | 14.669931 |
1 | 2010-08-31 | 8 | -0.002048 | 0.010774 | -0.009231 | -0.000837 | 0.003385 | 14.699931 |
1 | 2010-09-01 | 9 | -0.008048 | -0.005091 | 0.000284 | 0.000896 | -0.002770 | 14.359931 |
1 | 2010-09-02 | 10 | 0.013953 | 0.005489 | -0.002428 | -0.004196 | 0.002821 | 14.329931 |
1 | 2010-09-03 | 11 | 0.000953 | 0.006951 | -0.009174 | -0.005641 | 0.003059 | 14.519931 |
1 | 2010-09-06 | 12 | 0.010953 | -0.011732 | 0.007343 | 0.001093 | 0.001455 | 14.219931 |
1 | 2010-09-07 | 13 | 0.001953 | 0.004548 | -0.002967 | -0.005159 | 0.003449 | 14.399931 |
1 | 2010-09-08 | 14 | 0.001953 | 0.005514 | -0.010370 | -0.001304 | 0.005617 | 14.609931 |
1 | 2010-09-09 | 15 | -0.014048 | 0.000862 | -0.002873 | -0.000242 | 0.000172 | 14.76993 |
1 | 2010-09-10 | 16 | 0.003953 | 0.006121 | -0.006240 | -0.000576 | 0.000500 | 14.89993 |
1 | 2010-09-13 | 17 | 0.010953 | 0.005882 | -0.004681 | 0.000367 | 0.001485 | 15.25993 |
1 | 2010-09-14 | 18 | -0.000048 | 0.001958 | -0.005040 | -0.004867 | 0.002380 | 14.87993 |
1 | 2010-09-15 | 19 | -0.016048 | -0.001520 | 0.000663 | -0.000242 | 0.000800 | 14.76993 |
1 | 2010-09-16 | 20 | -0.019048 | -0.004614 | 0.004856 | 0.002260 | -0.001649 | 14.87993 |
1 | 2010-09-17 | 21 | -0.001048 | -0.003343 | -0.006641 | 0.001128 | -0.001371 | 14.76993 |
1 | 2010-09-20 | 22 | -0.005048 | -0.007208 | -0.000949 | -0.001239 | 0.004738 | 14.47993 |
1 | 2010-09-21 | 23 | 0.000953 | -0.002994 | 0.000782 | 0.002148 | -0.001752 | 14.49993 |
1 | 2010-09-27 | 24 | 0.015953 | 0.007099 | -0.011308 | -0.004961 | 0.005198 | 14.649929 |
1 | 2010-09-28 | 25 | -0.006048 | -0.000888 | -0.007466 | -0.005946 | 0.004183 | 15.079929 |
1 | 2010-09-29 | 26 | -0.003048 | -0.012236 | 0.005690 | 0.000418 | 0.002722 | 15.209929 |
1 | 2010-09-30 | 27 | 0.016953 | 0.004980 | -0.001921 | -0.001604 | -0.013663 | 15.469928 |
1 | 2010-10-08 | 28 | 0.029953 | -0.008713 | -0.003611 | 0.002205 | 0.003314 | 15.389928 |
1 | 2010-10-11 | 29 | 0.021953 | -0.014242 | 0.013489 | -0.002552 | 0.000851 | 15.329928 |
1 | 2010-10-12 | 30 | 0.009953 | -0.006632 | -0.001767 | 0.001559 | 0.005688 | 15.839928 |
1 | 2010-10-13 | 31 | 0.007953 | 0.003947 | 0.008355 | 0.006435 | -0.011215 | 15.809928 |
1 | 2010-10-14 | 32 | 0.000953 | -0.026987 | 0.015106 | 0.005518 | -0.001451 | 15.809928 |
1 | 2010-10-15 | 33 | 0.027953 | -0.027838 | 0.013222 | -0.004846 | -0.004175 | 16.239927 |
1 | 2010-10-18 | 34 | -0.007048 | -0.006256 | 0.011854 | 0.003964 | -0.001857 | 16.109927 |
1 | 2010-10-19 | 35 | 0.018953 | 0.009391 | -0.010617 | 0.001870 | 0.002321 | 16.899927 |
1 | 2010-10-20 | 36 | 0.002947 | 0.002163 | -0.011555 | -0.000823 | 0.000908 | 17.579925 |
1 | 2010-10-21 | 37 | -0.004053 | 0.009122 | -0.002856 | -0.002327 | 0.007108 | 17.729924 |
1 | 2010-10-22 | 38 | -0.000053 | 0.007743 | -0.007651 | 0.000154 | -0.000017 | 17.509924 |
1 | 2010-10-25 | 39 | 0.026947 | -0.001586 | -0.004967 | -0.000119 | 0.003055 | 17.989923 |
1 | 2010-10-26 | 40 | -0.003053 | 0.008816 | -0.004256 | -0.004241 | 0.000121 | 17.889923 |