Hi everyone,
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Coefficients:
ar1 ar2 ma1 ma2 sar1 intercept drift
1.5283 -0.7189 -1.9971 0.9999 0.3982 0.0288 -9e-04
s.e. 0.0869 0.0835 0.0627 0.0627 0.1305 NaN NaN
sigma^2 estimated as 0.04383: log likelihood = 4.34, aic = 7.32
Warning message:
NaNs produced in: sqrt(diag(object$var.coef))
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What does this mean?
Thanks a lot!
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