Sspace: UNTITLED    
Method: Maximum likelihood (Marquardt)    
Date: 06/03/09   Time: 14:40    
Sample: 7/22/1991 12/18/2000    
Included observations: 478    
Convergence achieved after 16 iterations    
    
 Coefficient         Std. Error            z-Statistic              Prob. 
    
C(1) 59.86794     0.000217           276135.8             0.0000
C(2) 5.664573     0.154566           36.64835             0.0000
C(3) 1.994715     0.387835           5.143202             0.0000
C(4) 3.165638     2.36E-05           134149.6             0.0000
C(5) 4.973435     3.46E-05           143909.7             0.0000
C(6) 5.237290     0.002081           2516.634             0.0000
    
 Final State                 Root MSE              z-Statistic           Prob. 
    
SV1 -0.001244         3.858697               -0.000322          0.9997
SV2 -0.867846         46.64537               -0.018605          0.9852
    
Log likelihood -1394.261      Akaike info criterion  5.858834
Parameters 6      Schwarz criterion  5.911172
Diffuse priors 2      Hannan-Quinn criter.  5.879411

个人感觉Z统计量有点大。请教各位高手这个结果根据统计量的信息是否合理？

怎么改正？

谢谢