Numeric. The ott id of the node in the tree that should
serve as the root of the tree returned.
node_id
Character. The node id of the node in the tree that should
serve as the root of the tree returned.
label_format
Character. Defines the label type; one of
name, id, or
name_and_id (the default).
file
If specified, the function will write the subtree to a
file in newick format.
...
additional arguments to customize the API call (see
rotl for more information).
Value
If no value is specified to the file argument
(default), a phyogenetic tree of class phylo.
Otherwise, the function returns invisibly a logical indicating
whether the file was successfully created.
Details
Given a node, return the subtree of the synthetic tree descended
from that node. The start node may be specified using either a node id
or an ott id, but not both. If the specified node is not in the
synthetic tree an error will be returned. There is a size limit of
25000 tips for this method.