Publications by Julyan Arbel
Statistics journals network
Statistical journals friendship (clic for SVG format) Xian blogged recently on the incoming RSS read paper: Statistical Modelling of Citation Exchange Between Statistics Journals, by Cristiano Varin, Manuela Cattelan and David Firth. Following the last JRSS B read paper by one of us! The data that are used in the paper (and can be downloaded ...
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3D density plot in R with Plotly
In Bayesian nonparametrics, many models address the problem of density regression, including covariate dependent processes. These were settled by the pioneering works by [current ISBA president] MacEachern (1999) who introduced the general class of dependent Dirichlet processes. The literature on dependent processes was developed in numerous m...
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New R user community in Grenoble, France
Nine R user communities already exist in France and there is a much large number of R communities around the world. It was time for Grenoble to start its own! The goal of the R user group is to facilitate the identification of local useRs, to initiate contacts, and to organise experience and knowledge sharing sessions. The group is open to any l...
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Sub-Gaussian property for the Beta distribution (part 2)
Left: What makes the Beta optimal proxy variance (red) so special? Right: The difference function has a double zero (black dot). As a follow-up on my previous post on the sub-Gaussian property for the Beta distribution [1], I’ll give here a visual illustration of the proof. A random variable with finite mean is sub-Gaussian if there is a pos...
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Sub-Gaussian property for the Beta distribution (part 3, final)
When a Beta random variable wants to act like a Bernoulli: convergence of optimal proxy variance. In this third and last post about the Sub-Gaussian property for the Beta distribution [1] (post 1 and post 2), I would like to show the interplay with the Bernoulli distribution as well as some connexions with optimal transport (OT is a hot topic in...
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