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math.ST2018★ 4 cited
Asymptotically Independent U-Statistics in High-Dimensional Testing
Yinqiu He, Gongjun Xu, Chong Wu +1
Many high-dimensional hypothesis tests aim to globally examine marginal or low-dimensional features of a high-dimensional joint distribution, such as testing of mean vectors, covar…
math.ST2016★ 14 cited
On the Convergence of the EM Algorithm: A Data-Adaptive Analysis
Chong Wu, Can Yang, Hongyu Zhao +1
The Expectation-Maximization (EM) algorithm is an iterative method to maximize the log-likelihood function for parameter estimation. Previous works on the convergence analysis of t…