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Computes the symmetric difference, also known as the Robinson-Foulds (RF) distance, between two trees. The trees do not need to be rooted. The trees must be specified in the Rich Newick Format. The tool reads in two trees. It outputs the number of False Negative edges, the number of False Positive edges, the number of internal edges in the model tree experimental tree and finally the number of internal edges in the experimental model tree.

Usage

SymmetricDifference model_tree_ident experimental_tree_ident [result output file]

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Examples

#NEXUS

BEGIN NETWORKS;

Network tree1 = ((1,4,2),3);
Network tree2 = ((1,2),(4,3));

END;

BEGIN SO;

END;

BEGIN PHYLONET;

SymmetricDifference tree1 tree2;

END;

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• D.R. Robinson and L.R. Foulds. Comparison of phylogenetic trees. Mathematical Biosciences, 53:131–147131–147, 1981.

See Also

• List of PhyloNet Commands