59 citations · 443 across the 46 of their papers we have counts for
3 papers · 2 filters
On Lasso refitting strategies
Evgenii Chzhen, Mohamed Hebiri, Joseph Salmon
A well-know drawback of l_1-penalized estimators is the systematic shrinkage of the large coefficients towards zero. A simple remedy is to treat Lasso as a model-selection procedur…
A sharp oracle inequality for Graph-Slope
Pierre C Bellec, Joseph Salmon, Samuel Vaiter
Following recent success on the analysis of the Slope estimator, we provide a sharp oracle inequality in term of prediction error for Graph-Slope, a generalization of Slope to sign…
On the benefits of output sparsity for multi-label classification
Evgenii Chzhen, Christophe Denis, Mohamed Hebiri +1
The multi-label classification framework, where each observation can be associated with a set of labels, has generated a tremendous amount of attention over recent years. The moder…