Monthly Archives: June 2013

Peering below the detection threshold with ML/Bayes …

Neat little paper on astro-ph today by Mitchell-Wynne et al. presenting a maximum likelihood/Bayesian approach to inferring the intrinsic trend of radio source counts below a survey’s nominal detection threshold.  A similar idea has occurred to me before as well in … Continue reading

Posted in Astronomy, Astrostatistics | Leave a comment

Importance Nested Sampling paper submitted …

I’m pleased to announce that my paper on Importance Nested Sampling in collaboration with Farhan Feroz & Mike Hobson (&, of course, Tony Pettitt) has at last been submitted to JCGS, and is available on the astro-ph preprint server: http://arxiv.org/abs/1306.2144 . … Continue reading

Posted in Astronomy, Astrostatistics, Marginal Likelihood Estimation, Statistics | 5 Comments

Slowest adoption of Bayesian inference techniques ever …

So I have a candidate for the slowest adoption of basic ideas in Bayesian inference and it doesn’t come from astronomy … hooray!  In fact, this one comes from meta-analysis in clinical research; and in particular with regard to the … Continue reading

Posted in Rants, Statistics, Zoology, Epidemiology, & Clinical Trials | Leave a comment

Propensity score matching in astronomy …

A fairly common technique in astronomical data analysis is to estimate the impact of some particular physical process on a nominated observable (e.g. the impact of AGN activity on host spheroid SFR) from the difference between the mean value of … Continue reading

Posted in Astronomy, Non-Parametric, Statistics, Zoology, Epidemiology, & Clinical Trials | Leave a comment