I am running a Structural Vector AutoRegression model in python, I keep running into this error. Any help would be amazing
from statsmodels.tsa.vector_ar.svar_model import SVAR
A = np.asarray([[1, 'E', 0], [1, 'E', 'E'], [0, 0, 1]])
B = np.asarray([['E', 0, 0], [0, 'E', 0], [0, 0, 'E']])
A_guess = np.asarray([0.5, 0.25, 0])
B_guess = np.asarray([0, 0.1, 0.05])
mymodel = SVAR(df_VEN_diff, svar_type='A', A=A, B=B,freq = None)
res = mymodel.fit(maxlags=4, maxiter=10000, maxfun=10000, solver='bfgs')
res.irf(periods=30).plot(impulse='realgdp', plot_stderr=False)