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Linked occupancy-abundance ZINB model

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A recent paper in the Early View of Ecology (Smith et al. 2012) peaked my interest last week, as it was an effort to explicitly link the occupancy (zero or not) and abundance (counts, biomass etc) parts of a zero-inflated negative binomial model of marine reserve effectiveness. […]

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 […]