Returns the Robinson-Foulds distance between two trees.
Usage
calcDstRF(tree_1, tree_2, nrmlsd = FALSE)
Arguments
- tree_1
TreeMan object
- tree_2
TreeMan object
- nrmlsd
Boolean, should returned value be between 0 and 1? Default, FALSE.
Details
RF distance is calculated as the sum of partitions in one tree that are
not shared by the other. The maximum number of split differences is the total number
of nodes in both trees (excluding the roots). Trees are assumed to be bifurcating,
this is not tested. The metric is calculated as if trees are unrooted. Parallelizable.
References
Robinson, D. R.; Foulds, L. R. (1981). "Comparison of phylogenetic trees".
Mathematical Biosciences 53: 131-147.
Examples
tree_1 <- randTree(10)
tree_2 <- randTree(10)
calcDstRF(tree_1, tree_2)
#> [1] 14
