Differentiable penalties
work in progress, temp function
Dpens(params, type = "lasso", lambda = 1, w.alasso = NULL, gamma = 1, a = 3.7, eps = 1e-08)
params |
coefficients. |
type |
lasso, alasso or scad. |
lambda |
smoothing parameter. |
w.alasso |
for alasso. |
gamma |
default 1. |
a |
for scad. |
eps |
tolerance. |
work in progress.
The function returns a penalty.
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