Returns the evolutationary distinctness of ids using the fair proportion metric.
Arguments
- tree
TreeMan
object- tids
tip IDs
- progress
name of the progress bar to use, see
create_progress_bar
Details
The fair proportion metric calculates the evolutionary distinctness of tips in a tree through summing the total amount of branch length each tip represents, where each branch in the tree is evenly divided between all descendants. Parallelizable.
References
Isaac, N.J.B., Turvey, S.T., Collen, B., Waterman, C. and Baillie, J.E.M. (2007). Mammals on the EDGE: conservation priorities based on threat and phylogeny. PLoS ONE, 2, e296.
Examples
tree <- randTree(10)
calcFrPrp(tree, tree["tips"])
#> t1 t10 t2 t3 t4 t5 t6
#> 1.29316066 0.65100499 0.46602716 1.10509473 0.77772731 0.07540477 0.94844240
#> t7 t8 t9
#> 0.68677047 1.27463660 1.32327011