546 citations · 1.2k across the 35 of their papers we have counts for
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stat.ME2021
Algorithms for Sparse Support Vector Machines
Alfonso Landeros, Kenneth Lange
Many problems in classification involve huge numbers of irrelevant features. Model selection reveals the crucial features, reduces the dimensionality of feature space, and improves…
stat.ME2021
A Proximal Distance Algorithm for Likelihood-Based Sparse Covariance Estimation
Jason Xu, Kenneth Lange
This paper addresses the task of estimating a covariance matrix under a patternless sparsity assumption. In contrast to existing approaches based on thresholding or shrinkage penal…