warn_ar_roots: Warn about near-unit-roots in some regimes
Description
warn_ar_roots
warns if the model contains near-unit-roots in some regimes
Usage
warn_ar_roots(gsmar, tol = 0.005)
Value
Doesn't return anything.
Arguments
- tol
if some root is smaller that 1 + tol
, a warning is thrown
Details
Warns if some moduli of the autoregressive polynomial's roots are close to one.