3 papers
math.ST2022
Benign overfitting and adaptive nonparametric regression
Julien Chhor, Suzanne Sigalla, Alexandre B. Tsybakov
In the nonparametric regression setting, we construct an estimator which is a continuous function interpolating the data points with high probability, while attaining minimax optim…
math.ST2021
Assigning Topics to Documents by Successive Projections
Olga Klopp, Maxim Panov, Suzanne Sigalla +1
Topic models provide a useful tool to organize and understand the structure of large corpora of text documents, in particular, to discover hidden thematic structure. Clustering doc…
math.ST2019
Improved clustering algorithms for the Bipartite Stochastic Block Model
Mohamed Ndaoud, Suzanne Sigalla, Alexandre B. Tsybakov
We establish sufficient conditions of exact and almost full recovery of the node partition in Bipartite Stochastic Block Model (BSBM) using polynomial time algorithms. First, we im…