We therefore encourage you to perform the following: Getting StartedĪs BEAST 2 is such a large and complicated application, first-time users may find coming to grips with the program and its capabilities a daunting task. For a comparison of features/models currently available in BEAST 2 with those currently implemented in BEAST 1, refer to this features table. As a result, BEAST 2 has rapidly acquired the ability to perform a diverse array of model-based analyses. This makes it easier to extend BEAST 2 via its package system. Version 2īEAST 2 is a rewrite of BEAST 1.x, placing a greater emphasis on modularity. Previous releases and version history are available on the BEAST2 releases web page. The XML reference is available in the online manual. The BEAST 2 source code is available from the beast2 and BeastFX GitHub repositories. Older versions are available from the BEAST2 releases web page. Select one of the following to download the version for your operating system:Īfter this, or if you already have v2.7.X (X=0, 1 or 2) installed, you can upgrade via the package manager.

The latest version of BEAST 2 is version 2.7.5.

BEAST 2 includes a graphical user-interface for setting up standard analyses and a suit of programs for analysing the results. BEAST 2 uses Markov chain Monte Carlo (MCMC) to average over tree space, so that each tree is weighted proportional to its posterior probability. It can be used as a method of reconstructing phylogenies but is also a framework for testing evolutionary hypotheses without conditioning on a single tree topology. It estimates rooted, time-measured phylogenies using strict or relaxed molecular clock models. BEAST 2 is a cross-platform program for Bayesian phylogenetic analysis of molecular sequences.

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