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- Université Toulouse III - Paul SabatierFR936 papers
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6 papers · 2 filters
Derivative based global sensitivity measures
Serge Kucherenko, Bertrand Iooss
The method of derivative based global sensitivity measures (DGSM) has recently become popular among practitioners. It has a strong link with the Morris screening method and Sobol'…
A Kriging procedure for processes indexed by graphs
Thibault Espinasse, Jean-Michel Loubes
We provide a new kriging procedure of processes on graphs. Based on the construction of Gaussian random processes indexed by graphs, we extend to this framework the usual linear pr…
A unified treatment for non-asymptotic and asymptotic approaches to minimax signal detection
Clement Marteau, Theofanis Sapatinas
We are concerned with minimax signal detection. In this setting, we discuss non-asymptotic and asymptotic approaches through a unified treatment. In particular, we consider a Gauss…
PLS: a new statistical insight through the prism of orthogonal polynomials
Mélanie Blazère, Fabrice Gamboa, Jean-Michel Loubes
Partial Least Square (PLS) is a dimension reduction method used to remove multicollinearities in a regression model. However contrary to Principal Components Analysis (PCA) the PLS…
On the Complexity of A/B Testing
Emilie Kaufmann, Olivier Cappé, Aurélien Garivier
A/B testing refers to the task of determining the best option among two alternatives that yield random outcomes. We provide distribution-dependent lower bounds for the performance…
Signal detection for inverse problems in a multidimensional framework
Yuri I. Ingster, Béatrice Laurent, Clément Marteau
This paper is devoted to multi-dimensional inverse problems. In this setting, we address a goodness-of-fit testing problem. We investigate the separation rates associated to differ…