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biology/mrbayes/pkg-descr
MrBayes is a program for the Bayesian estimation of phylogeny. | MrBayes is a program for the Bayesian estimation of phylogeny. | ||||
Bayesian inference of phylogeny is based upon a quantity called the | Bayesian inference of phylogeny is based upon a quantity called the | ||||
posterior probability distribution of trees, which is the probability of a | posterior probability distribution of trees, which is the probability of a | ||||
tree conditioned on the observations. The conditioning is accomplished | tree conditioned on the observations. The conditioning is accomplished | ||||
using Bayes's theorem. The posterior probability distribution of trees is | using Bayes's theorem. The posterior probability distribution of trees is | ||||
impossible to calculate analytically; instead, MrBayes uses a simulation | impossible to calculate analytically; instead, MrBayes uses a simulation | ||||
technique called Markov chain Monte Carlo (or MCMC) to approximate the | technique called Markov chain Monte Carlo (or MCMC) to approximate the | ||||
posterior probabilities of trees. | posterior probabilities of trees. | ||||
WWW: http://mrbayes.csit.fsu.edu/ | WWW: http://nbisweden.github.io/MrBayes/ |