Search Results for author: Song Xi Chen

Found 4 papers, 1 papers with code

Concentration Inequalities for Statistical Inference

no code implementations4 Nov 2020 Huiming Zhang, Song Xi Chen

This paper gives a review of concentration inequalities which are widely employed in non-asymptotical analyses of mathematical statistics in a wide range of settings, from distribution-free to distribution-dependent, from sub-Gaussian to sub-exponential, sub-Gamma, and sub-Weibull random variables, and from the mean to the maximum concentration.

Partitioning Structure Learning for Segmented Linear Regression Trees

1 code implementation NeurIPS 2019 Xiangyu Zheng, Song Xi Chen

A suffi- ciently large tree is induced by applying the split selection algorithm recursively.

regression

Matrix Completion under Low-Rank Missing Mechanism

no code implementations19 Dec 2018 Xiaojun Mao, Raymond K. W. Wong, Song Xi Chen

Although missing structure is a key component to any missing data problems, existing matrix completion methods often assume a simple uniform missing mechanism.

Matrix Completion

Cautionary Tales on Air-Quality Improvement in Beijing

no code implementations Proceedings of the Royal Society A 2017 Shuyi Zhang, Bin Guo, Anlan Dong, Jing He, Ziping Xu, Song Xi Chen

While this statistic offered some relief for the inhabitants of the capital, we present several analyses based on Beijing's PM2. 5 data of the past 4 years at 36 monitoring sites along with meteorological data of the past 7 years.

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