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math.ST2017★ 1 cited
On Minimax Optimality of Sparse Bayes Predictive Density Estimates
Gourab Mukherjee, Iain M. Johnstone
We study predictive density estimation under Kullback-Leibler loss in -sparse Gaussian sequence models. We propose proper Bayes predictive density estimates and establish a…
stat.ME2017
Feature Screening in Large Scale Cluster Analysis
Trambak Banerjee, Gourab Mukherjee, Peter Radchenko
We propose a novel methodology for feature screening in clustering massive datasets, in which both the number of features and the number of observations can potentially be very lar…