statsmodels.tsa.vector_ar.var_model.VARResults.mse¶ VARResults.mse(steps)¶ Compute theoretical forecast error variance matrices Parameters:¶ stepsintNumber of steps ahead Returns:¶ forc_covsndarray (steps x neqs x neqs) Notes MSE(h)=∑i=0h−1ΦΣuΦT