no code implementations • 9 Jan 2024 • Kylliann De Santiago, Marie Szafranski, Christophe Ambroise
In this work, we propose an original method for aggregating multiple clustering coming from different sources of information.
no code implementations • 11 Feb 2022 • Do Edmond Sanou, Christophe Ambroise, Geneviève Robin
In a high-dimensional setting, when the number of variables exceeds the number of observations by several orders of magnitude, the estimation of GGM is a difficult and unstable optimization problem.
1 code implementation • 28 Jul 2020 • Raphaëlle Momal, Stéphane Robin, Christophe Ambroise
Network inference aims at unraveling the dependency structure relating jointly observed variables.
Applications Computation
no code implementations • 29 Oct 2018 • Florent Guinot, Marie Szafranski, Julien Chiquet, Anouk Zancarini, Christine Le Signor, Christophe Mougel, Christophe Ambroise
Our focus is on detecting interactions between groups of genetic and metagenomic markers in order to gain a better understanding of the complex relationship between environment and genome in the expression of a given phenotype.
no code implementations • 7 Oct 2012 • Yves Grandvalet, Julien Chiquet, Christophe Ambroise
We illustrate on real and artificial datasets that this accuracy is required to for the correctness of the support of the solution, which is an important element for the interpretability of sparsity-inducing penalties.