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Optimal estimation of high-dimensional Gaussian mixtures


Feb 14, 2020
Natalie Doss, Yihong Wu, Pengkun Yang, Harrison H. Zhou


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Optimality of Spectral Clustering for Gaussian Mixture Model


Nov 01, 2019
Matthias Löffler, Anderson Y. Zhang, Harrison H. Zhou


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Randomly initialized EM algorithm for two-component Gaussian mixture achieves near optimality in $O(\sqrt{n})$ iterations


Aug 28, 2019
Yihong Wu, Harrison H. Zhou


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Optimal Estimation and Completion of Matrices with Biclustering Structures


Oct 22, 2018
Chao Gao, Yu Lu, Zongming Ma, Harrison H. Zhou


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Theoretical and Computational Guarantees of Mean Field Variational Inference for Community Detection


Dec 11, 2017
Anderson Y. Zhang, Harrison H. Zhou


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Statistical and Computational Guarantees of Lloyd's Algorithm and its Variants


Dec 07, 2016
Yu Lu, Harrison H. Zhou


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Community Detection in Degree-Corrected Block Models


Jul 24, 2016
Chao Gao, Zongming Ma, Anderson Y. Zhang, Harrison H. Zhou


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Achieving Optimal Misclassification Proportion in Stochastic Block Model


Oct 03, 2015
Chao Gao, Zongming Ma, Anderson Y. Zhang, Harrison H. Zhou


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Asymptotic normality and optimalities in estimation of large Gaussian graphical models


Jun 03, 2015
Zhao Ren, Tingni Sun, Cun-Hui Zhang, Harrison H. Zhou

* Annals of Statistics 2015, Vol. 43, No. 3, 991-1026 
* Published at http://dx.doi.org/10.1214/14-AOS1286 in the Annals of Statistics (http://www.imstat.org/aos/) by the Institute of Mathematical Statistics (http://www.imstat.org

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Sparse CCA via Precision Adjusted Iterative Thresholding


Nov 24, 2013
Mengjie Chen, Chao Gao, Zhao Ren, Harrison H. Zhou


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