973 citations · 1.7k across the 3 of their papers we have counts for
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math.ST2008★ 686 cited
One-step sparse estimates in nonconcave penalized likelihood models
Hui Zou, Runze Li
Fan and Li propose a family of variable selection methods via penalized likelihood using concave penalty functions. The nonconcave penalized likelihood estimators enjoy the oracle…
math.ST2007★ 973 cited
On the "degrees of freedom" of the lasso
Hui Zou, Trevor Hastie, Robert Tibshirani
We study the effective degrees of freedom of the lasso in the framework of Stein's unbiased risk estimation (SURE). We show that the number of nonzero coefficients is an unbiased e…