vcovA | R Documentation |
Estimate the variance-covariance matrix of the joint (VaR, ES) estimator by the sandwich formula:
\lambda^{-1} \Sigma \lambda^{-1}
Several estimators are available for both matrices and the default options are selected to take into account possible misspecifications in the underlying data.
vcovA(
object,
sigma_est = "scl_sp",
sparsity = "nid",
misspec = TRUE,
bandwidth_estimator = "Hall-Sheather"
)
object |
An esreg object |
sigma_est |
The estimator to be used for
|
sparsity |
The estimator to be used for the sparsity in
|
misspec |
if TRUE, the estimator accounts for potential misspecification in the model |
bandwidth_estimator |
The bandwidth estimator to be used for the iid and nid sparsity estimator, see density_quantile_function
|
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