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- Centre National de la Recherche ScientifiqueFR62 papers
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23 papers · 1 filter
Transcritical bifurcation for the conditional distribution of a diffusion process
Michel Benaïm, Nicolas Champagnat, William Oçafrain +1
In this article, we describe a simple class of models of absorbed diffusion processes with parameter, whose conditional law exhibits a transcritical bifurcation. Our proofs are bas…
Sequential Spatially Balanced Sampling
Raphaël Jauslin, Bardia Panahbehagh, Yves Tillé
Sequential sampling occurs when the entire population is not known in advance and data are obtained one at a time or in groups of units. This manuscript proposes a new algorithm to…
Sequential Unequal Probability Sampling For Stream Population
Bardia Panahbehagh, Raphaël Jauslin, Yves Tillé
A new unequal probability sampling method is proposed. This method is sequential. The decision to select or not each unit is made based on the order in which the units appear. A va…
Untangling the role of temporal and spatial variations in persistance of populations
Michel Benaïm, Claude Lobry, Tewfik Sari +1
We consider a population distributed between two habitats, in each of which it experiences a growth rate that switches periodically between two values, or $ -…
The R package sentometrics to compute, aggregate and predict with textual sentiment
David Ardia, Keven Bluteau, Samuel Borms +1
We provide a hands-on introduction to optimized textual sentiment indexation using the R package sentometrics. Textual sentiment analysis is increasingly used to unlock the potenti…
Scaling Limit of the Fleming-Viot Multi-Colour Process
Oliver Tough
We consider the -particle Fleming-Viot process associated to a normally reflected diffusion with soft catalyst killing. The Fleming-Viot multi-colour process is obtained by atta…