statsmodels.tsa.vector_ar.var_model.VARResults.irf¶
method
-
VARResults.
irf
(periods=10, var_decomp=None, var_order=None)[source]¶ Analyze impulse responses to shocks in system
- Parameters
- periodsint
- var_decompndarray (k x k), lower triangular
Must satisfy Omega = P P’, where P is the passed matrix. Defaults to Cholesky decomposition of Omega
- var_ordersequence
Alternate variable order for Cholesky decomposition
- Returns
- irfIRAnalysis