3 citations · 6 across the 3 of their papers we have counts for
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stat.ML2020
Prediction in latent factor regression: Adaptive PCR and beyond
Xin Bing, Florentina Bunea, Seth Strimas-Mackey +1
This work is devoted to the finite sample prediction risk analysis of a class of linear predictors of a response from a high-dimensional random vector $X\in \math…
stat.ML2020★ 3 cited
Optimal estimation of sparse topic models
Xin Bing, Florentina Bunea, Marten Wegkamp
Topic models have become popular tools for dimension reduction and exploratory analysis of text data which consists in observed frequencies of a vocabulary of words in docu…
stat.ML2018
A fast algorithm with minimax optimal guarantees for topic models with an unknown number of topics
Xin Bing, Florentina Bunea, Marten Wegkamp
We propose a new method of estimation in topic models, that is not a variation on the existing simplex finding algorithms, and that estimates the number of topics K from the observ…