Obtains the matrix H_t and R_t, under the DECO model For details, see engle2012dynamic;textualdccmidas.
deco_mat_est(est_param, res, Dt, K_c = NULL)
A list with the \(H_t\) and \(R_t\) matrices, for each \(t\).
Vector of estimated values
Array of standardized daily returns, coming from the first step estimation
Diagonal matrix of standard deviations
optional Number of initial observations to exclude from the H_t and R_t calculation