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- Centre National de la Recherche ScientifiqueFR51 papers
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- Université Toulouse III - Paul SabatierFR15 papers
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17 papers · 1 filter
Quick inference for log Gaussian Cox processes with non-stationary underlying random fields
Jiří Dvořák, Jesper Møller, Tomáš Mrkvička +1
For point patterns observed in natura, spatial heterogeneity is more the rule than the exception. In numerous applications, this can be mathematically handled by the flexible class…
Adjacency-constrained hierarchical clustering of a band similarity matrix with application to Genomics
Christophe Ambroise, Alia Dehman, Pierre Neuvial +2
Motivation: Genomic data analyses such as Genome-Wide Association Studies (GWAS) or Hi-C studies are often faced with the problem of partitioning chromosomes into successive region…
Exponential inequality for chaos based on sampling without replacement
P Hodara, Patricia Reynaud-Bouret
We are interested in the behavior of particular functionals, in a framework where the only source of randomness is a sampling without replacement. More precisely the aim of this sh…
Partial recovery bounds for clustering with the relaxed means
Christophe Giraud, Nicolas Verzelen
We investigate the clustering performances of the relaxed means in the setting of sub-Gaussian Mixture Model (sGMM) and Stochastic Block Model (SBM). After identifying the appro…
Clustering transformed compositional data using K-means, with applications in gene expression and bicycle sharing system data
Antoine Godichon-Baggioni, Cathy Maugis-Rabusseau, Andrea Rau
Although there is no shortage of clustering algorithms proposed in the literature, the question of the most relevant strategy for clustering compositional data (i.e., data made up…
Estimation of a discrete probability under constraint of k-monotony
Jade Giguelay
We propose two least-squares estimators of a discrete probability under the constraint of k-monotony and study their statistical properties. We give a characterization of these est…