17 citations · 21 across the 2 of their papers we have counts for
2 papers
stat.ML2012★ 17 cited
Large-Scale Sparse Principal Component Analysis with Application to Text Data
Youwei Zhang, Laurent El Ghaoui
Sparse PCA provides a linear combination of small number of features that maximizes variance across data. Although Sparse PCA has apparent advantages compared to PCA, such as bette…
math.OC2010★ 4 cited
Sparse PCA: Convex Relaxations, Algorithms and Applications
Youwei Zhang, Alexandre d'Aspremont, Laurent El Ghaoui
Given a sample covariance matrix, we examine the problem of maximizing the variance explained by a linear combination of the input variables while constraining the number of nonzer…