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reeTime provides routines for ancestral sequence reconstruction and inference of molecular-clock phylogenies, i.e., a tree where all branches are scaled such that the positions of terminal nodes correspond to their sampling times and internal nodes are placed at the most likely time of divergence.

To optimize the likelihood of time-scaled phylogenies, TreeTime uses an iterative approach that first infers ancestral sequences given the branch length of the tree, then optimizes the positions of unconstrained nodes on the time axis, and then repeats this cycle. The only topology optimization are (optional) resolution of polytomies in a way that is most (approximately) consistent with the sampling time constraints on the tree. The package is designed to be used as a stand-alone tool on the command-line or as a library used in larger phylogenetic analysis work-flows.

Environment Modules

Run module spider treetime to find out what environment modules are available for this application.

System Variables

  • HPC_TREETIME_DIR - installation directory
  • HPC_TREETIME_BIN - executable directory