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Tighten after Relax: Minimax-Optimal Sparse PCA in Polynomial Time

We provide statistical and computational analysis of sparse Principal Component Analysis (PCA) in high dimensions. The sparse PCA problem is highly nonconvex in nature. Consequently, though its global solution attains the optimal statistical rate of convergence, such solution is computationally intr...

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Bibliografiske detaljer
Udgivet i:Adv Neural Inf Process Syst
Main Authors: Wang, Zhaoran, Lu, Huanran, Liu, Han
Format: Artigo
Sprog:Inglês
Udgivet: 2014
Fag:
Online adgang:https://ncbi.nlm.nih.gov/pmc/articles/PMC4301447/
https://ncbi.nlm.nih.gov/pubmed/25620858
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