scipy.cluster.hierarchy.ClusterNode#
- class scipy.cluster.hierarchy.ClusterNode(id, left=None, right=None, dist=0, count=1)[source]#
A tree node class for representing a cluster.
Leaf nodes correspond to original observations, while non-leaf nodes correspond to non-singleton clusters.
The
to_tree
function converts a matrix returned by the linkage function into an easy-to-use tree representation.All parameter names are also attributes.
- Parameters
- idint
The node id.
- leftClusterNode instance, optional
The left child tree node.
- rightClusterNode instance, optional
The right child tree node.
- distfloat, optional
Distance for this cluster in the linkage matrix.
- countint, optional
The number of samples in this cluster.
See also
to_tree
for converting a linkage matrix
Z
into a tree object.
Methods
The number of leaf nodes (original observations) belonging to the cluster node nd.
get_id
()The identifier of the target node.
get_left
()Return a reference to the left child tree object.
Return a reference to the right child tree object.
is_leaf
()Return True if the target node is a leaf.
pre_order
([func])Perform pre-order traversal without recursive function calls.