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I want to get the residual of the signal equation in following state space model

@signal yt= c(1)+xt*sv(1)+z(t-1)*sv(2)+[var=exp(c(2))]
@state sv1=sv1(-1)
@state sv2=sv2(-1)

How can i get the estimate residual of the signal equation

Thanks very much

HI， I have added the eviews workfile on the attachment, so everyone can check my problems on the workfile, thanks a lot! And i have checked trubador'solutions, but none of them suit my problem, z-Statistic is too big, who can help me to solve it, thanks! while i have anther problem: when i run the e...

today, i use the following equations lex = c(1)+c(2)*lex(-1)+sv1*lex_pri+[var=exp(c(3))] @state sv1=sv1(-1) the estimation result amazed me, the z-Statistic is more than one hundred thousand,what wrong with my result, who can help me? the estimation result: Sspace: S_PRI Method: Maximum likelihood (...