Monthly Archives: October 2014

Three faces of weak convergence with astronomical relevance!

The image above links to the pdf file (5 Mb) of my talk at the ICIC yesterday afternoon.  My idea was to use my allotted time to introduce weak convergence as a statistical/topological concept of both intrinsic interest (e.g. for … Continue reading

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Failing to constrain duty cycles through a Bayesian technique …

I noticed this paper by Romano et al. (2014), which has been accepted to A&A, claiming to have derived a Bayesian approach for estimating the duty cycle (DC; the proportion of time spent in one of two possible states [on/off, … Continue reading

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A pseudo-pseudo-marginal method …

I noticed this paper by Asensio Ramos & Martinez Gonzalez (2014) on astro ph today presenting a hierarchical model for inferring the distribution of magnetic field Stokes parameters in the quiet Sun.  The use of a hierarchical model for this … Continue reading

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Modelling the multiplicity of planets around M dwarfs …

I noticed this paper on astro ph today by Ballard & Johnson presenting a statistical model for inferring the multiplicity of planets around M dwarf hosts using a small-ish sample of KOIs (Kepler objects of interest) distributed amongst 106 stars.  The base … Continue reading

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A surprising example of cross-disciplinary fertilisation …

I was having a browse through the latest paper to apply a hierarchical Bayesian model to population level inference of dark matter halo mass & stellar IMFs by Sonnenfeld et al. and I noticed a citation to a familiar name: … Continue reading

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