Efficient methods for estimating constrained parameters with applications to regularized (lasso) logistic regression.

Guo-Liang Tian Man-Lai Tang Hong-Bin Fang Ming Tan Efficient methods for estimating constrained parameters with applications to regularized (lasso) logistic regression. 3528-3542 2008 52 Computational Statistics & Data Analysis 7 http://dx.doi.org/10.1016/j.csda.2007.11.007 db/journals/csda/csda52.html#TianTFT08