Removes all tips that do not occur in both tree1 and tree2, then calculates
the status of the remaining quartets.
Arguments
- tree1, tree2
Trees of class
phyloto compare.
Value
Returns a named array of six integers corresponding to the quantities of Estabrook et al. (1985):
- N
The total number of quartet statements for two trees of n leaves, i.e. 2 Q.
- Q
The total number of quartets for n leaves.
- s
The number of quartets that are resolved identically in both trees.
- d
The number of quartets that are resolved differently in each tree.
- r1
The number of quartets that are resolved in tree 1, but not in tree 2.
- r2
The number of quartets that are resolved in tree 2, but not in tree 1.
- u
The number of quartets that are unresolved in both trees.
See also
Other element-by-element comparisons:
CompareQuartets(),
CompareQuartetsMulti(),
CompareSplits(),
QuartetState(),
SharedQuartetStatus(),
SplitStatus()