Sspace: SSM
Method: Maximum likelihood (Marquardt)
Date: 11/08/11 Time: 20:07
Sample: 2000M01 2011M03
Included observations: 133
Partial observations: 133
Failure to improve Likelihood after 1 iteration
WARNING: Singular covariance - coefficients are not unique
Coefficient Std. Error z-Statistic Prob.
C(1) 0.194740 NA NA NA
C(2) 2.77E-05 NA NA NA
C(3) 0.138149 NA NA NA
C(4) 0.034742 NA NA NA
C(5) 0.092683 NA NA NA
C(6) 0.076717 NA NA NA
C(7) -0.259668 NA NA NA
C(8) 0.424886 NA NA NA
C(9) 0.120650 NA NA NA
C(10) -0.007854 NA NA NA
C(11) 0.121842 NA NA NA
C(12) 0.173107 NA NA NA
C(13) 0.090693 NA NA NA
C(14) 0.499889 NA NA NA
C(15) -2.607064 NA NA NA
C(16) -3.156104 NA NA NA
C(17) -2.160762 NA NA NA
Final State Root MSE z-Statistic Prob.
SV4 2.348696 0.203259 11.55517 0.0000
SV3 1.843544 0.212504 8.675340 0.0000
SV1 2.263772 0.352414 6.423609 0.0000
Log likelihood -80.56667 Akaike info criterion 1.467168
Parameters 17 Schwarz criterion 1.836611
Diffuse priors 3 Hannan-Quinn criter. 1.617296
出现NA的原因以及如何解决


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