internal workshop in Montpellier

Today was a meeting day for our research (ANR) network EMILE and I flew to Montpellier in the early morning, barely catching my 7am flight by a mere 8 minutes, thanks to a huge unannounced gap (more than 30mn!) in the distribution of the metro trains… Anyway, it was a very nice day with interesting talks on on-going researchs by several members of the network, including a new type of (non-ABC) approximation for phylogenetic trees, INLA on genotype distribution, Bayesian tree estimation with SNP data, and the new version of the DIYABC software. (Jean-Michel Marin and I also presented our recent work on ABC model choice and advertised the incoming Read Paper on ABC methods to the group, as they could contribute to the discussion.) One of the talks involved the pseudo-Bayes factors (CPO) of Geisser and Eddy discussed recently in connection with the book reviews of both Bayesian ideas and data analysis and Bayesian modeling using WinBUGS. Unfortunately, again estimated by an harmonic mean…