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Table 2
Step of the Metropolis-Hastings sampler, which replaces Step (3) of Table 1. The current sample at step q is 
and it is either replaced or not by the proposed sample 
.
| (a) Draw a sample under a proposal density. |
| (b) Compute the acceptation ratio ρ by Eq. (23). |
(c) Replace by (i.e.  ) with the probability min(1,ρ), otherwise keep (i.e.  ). |
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