Refining a Seasonal VARMA Model
Refines a fitted seasonal VARMA model by setting insignificant estimates to zero
refsVARMA(model, thres = 0.8)
model |
An output object of the sVARMA command or the refsVARMA command |
thres |
Threshold for individual t-ratio. Default is 0.8. |
The command removes simultaneously all parameters with t-ratio less than the threshold in modulus.
The same as those of the command sVARMA
Ruey S. Tsay
Tsay (2014, Chapter 6)
sVARMA
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