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math.ST2016★ 52 cited
Global analysis of Expectation Maximization for mixtures of two Gaussians
Ji Xu, Daniel Hsu, Arian Maleki
Expectation Maximization (EM) is among the most popular algorithms for estimating parameters of statistical models. However, EM, which is an iterative algorithm based on the maximu…
math.ST2016★ 6 cited
Overcoming The Limitations of Phase Transition by Higher Order Analysis of Regularization Techniques
Haolei Weng, Arian Maleki, Le Zheng
We study the problem of estimating from its noisy linear observations , where , under the following high-dimensional…