Table 1.
Properties of a node | |
---|---|
Out-degree | |
Set of children | |
Depth | |
Size | |
Subtree rooted at | |
Number of leaves of | |
Magnitude of (sum of node sizes) | |
Magnitude of excluding its root | |
Importance factor | |
, where | |
Balance score | |
Balance score based on | |
Nonroot dominance factor | |
Sets of nodes | |
All nodes | |
Internal nodes such that | |
Leaves | |
Entropies and tree balance indices | |
Generalized entropy with parameter | |
Shannon entropy with base | |
Sackin’s index | |
Colless’ index | |
Total cophenetic index | |
Colless-like index | |
Generalized Sackin’s index | |
Generalized Colless’ index | |
Tree balance index based on | |
Normalized inverse Sackin index | |
A conservative tree balance index |