statespace
DynamicFactorResults.
cov_params_robust_approx
(array) The QMLE variance / covariance matrix. Computed using the numerical Hessian as the evaluated hessian.
statsmodels.tsa.statespace.dynamic_factor.DynamicFactorResults.cov_params_robust
statsmodels.tsa.statespace.dynamic_factor.DynamicFactorResults.cov_params_robust_oim