beta distribution, hierarchical

In response to a (good) referee comment, I worked on re-fitting the exoplanet eccentricity distribution—in our hierarchical Bayesian model—with a beta distribution. This is a very useful family of distributions with two shape parameters and a lot of freedom. On the weekend and this afternoon I also started to write down the quasar absorption model that we might be able to use to make the clustering measurement the output of another hierarchical model. If we can do that successfully, it will be a real triumph.

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