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math.ST2021
Exact Detection Thresholds and Minimax Optimality of Chatterjee's Correlation Coefficient
Arnab Auddy, Nabarun Deb, Sagnik Nandy
Recently, Chatterjee (2021) introduced a new rank-based correlation coefficient which can be used to measure the strength of dependence between two random variables. This coefficie…
math.ST2021★ 4 cited
Community Detection with Contextual Multilayer Networks
Zongming Ma, Sagnik Nandy
In this paper, we study community detection when we observe sparse networks and a high dimensional covariate matrix, all encoding the same community structure among subject…