Search Results for author: Katia Méziani

Found 1 papers, 0 papers with code

Learning Heteroscedastic Models by Convex Programming under Group Sparsity

no code implementations16 Apr 2013 Arnak S. Dalalyan, Mohamed Hebiri, Katia Méziani, Joseph Salmon

Popular sparse estimation methods based on $\ell_1$-relaxation, such as the Lasso and the Dantzig selector, require the knowledge of the variance of the noise in order to properly tune the regularization parameter.

Time Series Time Series Analysis

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