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math.ST2016★ 4 cited
Subspace Perspective on Canonical Correlation Analysis: Dimension Reduction and Minimax Rates
Zhuang Ma, Xiaodong Li
Canonical correlation analysis (CCA) is a fundamental statistical tool for exploring the correlation structure between two sets of random variables. In this paper, motivated by rec…
math.ST2016★ 9 cited
Convexified Modularity Maximization for Degree-corrected Stochastic Block Models
Yudong Chen, Xiaodong Li, Jiaming Xu
The stochastic block model (SBM) is a popular framework for studying community detection in networks. This model is limited by the assumption that all nodes in the same community a…