statespace
SARIMAXResults.
cov_params_delta
(array) The variance / covariance matrix. Computed using the numerical Hessian computed using parameter transformations and the Delta method (method of propagation of errors).
statsmodels.tsa.statespace.sarimax.SARIMAXResults.cov_params_cs
statsmodels.tsa.statespace.sarimax.SARIMAXResults.cov_params_oim
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