_Iyear_79 | -5.935965 .5926701 -10.02 0.000 -7.097822 -4.774109
_Iyear_80 | -4.337454 .6278549 -6.91 0.000 -5.568286 -3.106622
_Iyear_81 | -7.288249 .6457977 -11.29 0.000 -8.554256 -6.022242
_Iyear_82 | -3.584055 .5747122 -6.24 0.000 -4.710708 -2.457402
_Iyear_83 | -2.876154 .6449437 -4.46 0.000 -4.140486 -1.611821
_Iyear_84 | 2.481298 .5691707 4.36 0.000 1.365509 3.597087
_Iyear_85 | -.2721612 .546512 -0.50 0.619 -1.343531 .7992084
_Iyear_86 | -6.175081 .5811252 -10.63 0.000 -7.314305 -5.035856
_Iyear_87 | -3.210727 .5653608 -5.68 0.000 -4.319047 -2.102406
_Iyear_88 | -2.518282 .569547 -4.42 0.000 -3.634809 -1.401755
_Iyear_89 | -9.355431 .5422212 -17.25 0.000 -10.41839 -8.292474
_Iyear_90 | -8.175723 .5235263 -15.62 0.000 -9.202032 -7.149414
_Iyear_91 | -5.317918 .5656952 -9.40 0.000 -6.426894 -4.208942
_Iyear_92 | .7207603 .6078685 1.19 0.236 -.4708912 1.912412
_Iyear_93 | 1.470262 .5656815 2.60 0.009 .3613128 2.579211
_Iyear_94 | .2603633 .5438781 0.48 0.632 -.8058428 1.326569
_Iyear_95 | -1.401007 .5306117 -2.64 0.008 -2.441206 -.3608079
_Iyear_96 | -1.853941 .5219843 -3.55 0.000 -2.877227 -.8306553
_Iyear_97 | -2.859862 .5100148 -5.61 0.000 -3.859683 -1.860041
_Iyear_98 | -4.111808 .5022845 -8.19 0.000 -5.096475 -3.127141
_Iyear_99 | -4.54176 .5071592 -8.96 0.000 -5.535983 -3.547537
我通过面板数据的节点固定效应模型回归得到如上结果,我现在想生成一列21个数的变量,变量为-Iyear的系数 ,以方便绘图。
我用gen=—b[_iyear_i] 结果不成功,还请大牛们不吝赐教。