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Next: Metropolis–Hastings (chain type mh) Up: Bayesian Methods Previous: Joint priors: the smoothness   Contents

Samplers

XSPEC implements four samplers, partitioned naturally by what they need from the model and what they return. The first three target the posterior directly; the fourth additionally returns the model evidence $Z = \int p(D\vert\bm{\theta})p(\bm{\theta})\,d\bm{\theta}$.


Subsections