
Bootstrap Standard Errors for CGARCH Parameters
cgarch_bootstrap_se.RdCompute bootstrap standard errors for Copula GARCH correlation parameters using residual resampling.
Usage
cgarch_bootstrap_se(
z_matrix,
weights,
Qbar,
mle_params,
n_boot = 200,
method = c("residual", "parametric"),
copula_dist = "mvn",
verbose = TRUE,
seed = NULL
)Arguments
- z_matrix
T x k matrix of copula residuals (PIT-transformed)
- weights
T-vector of observation weights
- Qbar
k x k unconditional correlation matrix
- mle_params
MLE estimates c(alpha, beta) or c(alpha, beta, shape)
- n_boot
Number of bootstrap replications (default 200)
- method
Bootstrap method: "residual" or "parametric"
- copula_dist
Copula distribution: "mvn" or "mvt"
- verbose
Print progress
- seed
Random seed for reproducibility