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Hierarchical Priors for Multinomial Data

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As part of an ongoing project to understand autoregressive structures in hierarchical models I came across some WinBUGS code code that puts a non-Wishart prior on a Multivariate Normal precision matrix for […]

Rejection sampling 101

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Working with my friends Ed and Sean on some zero-truncated Poisson logNormal (ZTPLN) community ecology work, I’ve come to realize I’ve done far too little coding of random value generation from odd statistical distributions in the form of rejection sampling. As this forms a […]