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ABC model choice by random forests [guest post]

August 11, 2014

[Dennis Prangle sent me his comments on our ABC model choice by random forests paper. Here they are! And I appreciate very much contributors commenting on my paper or others, so please feel free to join.] This paper proposes a new approach to likelihood-free model choice based on random forest classifiers. These are fit to […]

ABC in Sydney [guest post #2]

July 24, 2014

[Here is a second guest post on the ABC in Sydney workshop, written by Chris Drovandi] First up Dennis Prangle presented his recent work on “Lazy ABC”, which can speed up ABC by potentially abandoning model simulations early that do not look promising. Dennis introduces a continuation probability to ensure that the target distribution of […]

ABC in Sydney [guest post]

July 18, 2014

[Scott Sisson sent me this summary of the ABC in Sydney meeting that took place two weeks ago.] Following on from ABC in Paris (2009), ABC in London (2011) and ABC in Rome (2013), the fourth instalment of the international workshops in Approximate Bayesian Computation (ABC) was held at UNSW in Sydney on 3rd-4th July […]

ABC in Cancún

July 11, 2014

Here are our slides for the ABC [very] short course Jean-Michel and I give at ISBA 2014 in Cancún next Monday (if your browser can manage Slideshare…) Although I may switch the pictures from Iceland to Mexico, on Sunday, there will be not much change on those slides we both have previously used in previous […]

thick disc formation scenario of the Milky Way evaluated by ABC

July 9, 2014

“The facts that the thick-disc episode lasted for several billion years, that a contraction is observed during the collapse phase, and that the main thick disc has a constant scale height with no flare argue against the formation of the thick disc through radial migration. The most probable scenario for the thick disc is that […]


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