showNode is to get nodes from the tree.
A phylo object.
A logical value, TRUE or FALSE. The default is FALSE, all nodes are output; otherwise, leaves are output
A logical value, TRUE or FALSE. The default is FALSE, and
the node label would be used to name the output; otherwise, the alias of
node label would be used to name the output. The alias of node label is
created by adding a prefix
A vector of nodes. The numeric value is the node number, and the
vector name is the corresponding node label. If a node has no label, it
would have NA as name when
use.alias = FALSE, and have the alias of
node label as name when
use.alias = TRUE.
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library(ggtree) data(tinyTree) # PLOT tree ggtree(tinyTree, branch.length = 'none') + geom_text2(aes(label = label), color = "darkorange", hjust = -0.1, vjust = -0.7) + geom_text2(aes(label = node), color = "darkblue", hjust = -0.5, vjust = 0.7) ## find the node shared by provided node labels showNode(tree = tinyTree, only.leaf = TRUE, use.alias = FALSE) showNode(tree = tinyTree, only.leaf = FALSE, use.alias = FALSE)
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