我要用上证指数的对数收益率模拟出garch模型下面是我做的eviews:因为只有对数收益率,没有其他变量,然后我就在均值方程只是输上了对数收益率(REEE),是不是拟合出来的Variable项就是应该没有,然后也写不出均值方程啊?求指教啊。。。菜鸟啥都不懂,也许是白痴问题,还是求大神给看看!
Dependent Variable: REEE
Method: ML - ARCH (Marquardt) - Normal distribution
Date: 12/25/12 Time: 23:24
Sample: 1 1294
Included observations: 1294
Convergence achieved after 9 iterations
Bollerslev-Wooldridge robust standard errors & covariance
Presample variance: backcast (parameter = 0.7)
GARCH = C(1) + C(2)*RESID(-1)^2 + C(3)*GARCH(-1)
Variable Coefficient Std. Error z-Statistic Prob.
Variance Equation
C 6.84E-06 2.93E-06 2.334794 0.0196
RESID(-1)^2 0.124297 0.034087 3.646452 0.0003
GARCH(-1) 0.843432 0.038854 21.70790 0.0000
R-squared -0.000209 Mean dependent var -0.000196
Adjusted R-squared 0.000564 S.D. dependent var 0.013550
S.E. of regression 0.013546 Akaike info criterion -5.920794
Sum squared resid 0.237444 Schwarz criterion -5.908818
Log likelihood 3833.753 Hannan-Quinn criter. -5.916299
Durbin-Watson stat 1.949582