arch.covariance.kernel.Andrews.cov¶ property Andrews.cov : CovarianceEstimate¶ The estimated covariances. Returns:¶ Covariance estimate instance containing 4 estimates: long_run short_run one_sided one_sided_strict Return type:¶ arch.covariance.kernel.CovarianceEstimate See also arch.covariance.kernel.CovarianceEstimate