Monthly Archives: March 2017

Bayesian inference from a fixed set of simulations …

I noticed this recent paper on the arXiv by Patel et al. entitled, “Orbits of massive satellite galaxies – II. Bayesian Estimates of the Milky Way and Andromeda masses using high precision astrometry and cosmological simulations”, in which the authors consider … Continue reading

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Vale Joe Hilbe (1944-2017) …

I had the sad news this week of the passing of Joseph Hilbe, an important statistician and educator in the field of regression models for count data and an enthusiastic advocate of astro-statistics as an emerging discipline.  Emilie (my wife) & … Continue reading

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Intrigue in the neutrino kingdom …

I noticed this brief note on the arXiv today by Schwetz et al. highlighting some of those authors’ concerns with a recent arXival by Simpson et al. regarding Bayesian evidence for the normal neutrino hierarchy.  The question examined by Simpson … Continue reading

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Pseudo-marginal MCMC for cosmological statistics …

Having been (re-)inspired in pseudo-marginal methods by Patrick Muchmore’s talk at the recent ABC in Banff conference I’ve started evangelising to cosmologists who might be interested in fits based on multivariate Normal (Gaussian) distributions with estimated covariance matrices.  For example, … Continue reading

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