statsmodels.tsa.vector_ar.var_model.VARResults.is_stable¶
method
-
VARResults.
is_stable
(verbose=False)¶ Determine stability based on model coefficients
- Parameters
- verbosebool
Print eigenvalues of the VAR(1) companion
Notes
Checks if det(I - Az) = 0 for any mod(z) <= 1, so all the eigenvalues of the companion matrix must lie outside the unit circle