Markov chain Monte Carlo methods are used to sample from complicated multivariate distributions that are not computable in practice and from which direct sampling (Monte Carlo) is not feasible. In the field of genetics, they are used in pedigree and linkage analysis to obtain the posterior probabilities of individuals possessing specific genes.
Keywords: Gibbs sampler; MetropolisHastings; pedigree analysis; linkage analysis; ergodic; blocking; blocked




