activity
20042018
most citedOptimal rates and adaptation in the single-index model using aggregation

45 citations · 109 across the 11 of their papers we have counts for

collaborators

13 papers

stat.ML2018

Minimax optimal rates for Mondrian trees and forests

Jaouad Mourtada, Stéphane Gaïffas, Erwan Scornet

Introduced by Breiman, Random Forests are widely used classification and regression algorithms. While being initially designed as batch algorithms, several variants have been propo…

stat.ML2017★ 6 cited

High-dimensional robust regression and outliers detection with SLOPE

Alain Virouleau, Agathe Guilloux, Stéphane Gaïffas +1

The problems of outliers detection and robust regression in a high-dimensional setting are fundamental in statistics, and have numerous applications. Following a recent set of work…

stat.ML2017★ 26 cited

Tick: a Python library for statistical learning, with a particular emphasis on time-dependent modelling

Emmanuel Bacry, Martin Bompaire, Stéphane Gaïffas +1

Tick is a statistical learning library for Python~3, with a particular emphasis on time-dependent models, such as point processes, and tools for generalized linear models and survi…

stat.ML2017★ 6 cited

Binarsity: a penalization for one-hot encoded features in linear supervised learning

Mokhtar Z. Alaya, Simon Bussy, Stéphane Gaïffas +1

This paper deals with the problem of large-scale linear supervised learning in settings where a large number of continuous features are available. We propose to combine the well-kn…

stat.ML2014★ 5 cited

Sparse Bayesian Unsupervised Learning

Stephane Gaiffas, Bertrand Michel

This paper is about variable selection, clustering and estimation in an unsupervised high-dimensional setting. Our approach is based on fitting constrained Gaussian mixture models,…

math.ST2011

High dimensional matrix estimation with unknown variance of the noise

Olga Klopp, Stéphane Gaiffas

We propose a new pivotal method for estimating high-dimensional matrices. Assume that we observe a small set of entries or linear combinations of entries of an unknown matrix $A\_0…