statsmodels.tsa.vector_ar.svar_model.SVARResults.fevd# SVARResults.fevd(periods=10, var_decomp=None)# Compute forecast error variance decomposition (“fevd”) Parameters: periodsint, optionalNumber of periods to compute the FEVD for. var_decompndarray (k x k), lower triangular, optionalMust satisfy Omega = P P’, where P is the passed matrix. Defaults to Cholesky decomposition of Omega. Returns: fevdFEVD instance