srisk | R Documentation |
This function estimates optimal mean-variance portfolio weights from a matrix of historical or simulated asset returns.
srisk(x, mu = 0.07, lambda = 1e+08, alpha = 0.1, eps = 1e-04)
x |
Matrix of asset returns |
mu |
Required mean rate of return for the portfolio |
lambda |
Lagrange multiplier associated with mean return constraint |
alpha |
Choquet risk parameter, unimplemented |
eps |
tolerance parameter for mean return constraint |
The portfolio weights are estimated by solving a constrained least squares problem.
pihat |
Optimal portfolio weights |
muhat |
Mean return in sample |
sighat |
Standard deviation of returns in sample |
R. Koenker
qrisk
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