Return root to tip distance (prdst) for id
Examples
tree <- randTree(10)
getNdPrdst(tree, id = "t1") # return the distance to root from t1
#> [1] 3.752139
Return root to tip distance (prdst) for id
tree <- randTree(10)
getNdPrdst(tree, id = "t1") # return the distance to root from t1
#> [1] 3.752139