title: Discussion of 'Regularized Regression for Categorical Data'.
authors.affiliation: Department of Biostatistics, Vanderbilt University School of Medicine, Nashville, TN, USA.
authors.forename: Bryan E
authors.initials: BE
authors.lastname: Shepherd
authors.affiliation: Department of Biostatistics, Vanderbilt University School of Medicine, Nashville, TN, USA.
authors.forename: Qi
authors.initials: Q
authors.lastname: Liu