l2_relax_comb_opt | R Documentation |
Solve L2-relaxation primal problem Details refer to Shi, Su and Xie (2022) "l_2-relaxation: With applications to forecast combination and portfolio analysis"
l2_relax_comb_opt(sigma_mat, tau, solver = "CVXR", tol = 1e-08)
sigma_mat |
Sample covariance matrix |
tau |
The regularization parameter |
solver |
The solver to use; "Rmosek" or "CVXR" |
tol |
Tolerance for the solver |
w_hat: The estimated combination weights
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