Return the age for id
. Requires the known age of the tree to be provided.
Usage
getNdAge(tree, id, tree_age)
Arguments
- tree
TreeMan
object
- id
node id
- tree_age
numeric value of known age of tree
Details
Returns a numeric.
Examples
data(mammals)
# when did apes emerge?
# get parent id for all apes
prnt_id <- getPrnt(mammals, ids = c("Homo_sapiens", "Hylobates_concolor"))
# mammal_age <- getAge(mammals) # ~166.2, needs to be performed when tree is not up-to-date
getNdAge(mammals, id = prnt_id, tree_age = 166.2)
#> [1] 23.5