Are splits compatible? — SplitsCompatible • TreeDist

Determine whether splits are compatible (concave); i.e. they can both occur on a single tree.

SplitsCompatible(split1, split2)

Arguments

split1, split2: Logical vectors listing leaves in a consistent order, identifying each leaf as a member of the ingroup (TRUE) or outgroup (FALSE) of the split in question.

Value

SplitsCompatible() returns a logical specifying whether the splits provided are compatible with one another.

Author

Martin R. Smith (martin.smith@durham.ac.uk)

Examples

A <- TRUE
B <- FALSE
SplitsCompatible(c(A, A, A, B, B, B),
                 c(A, A, B, B, B, B))
#> [1] TRUE
SplitsCompatible(c(A, A, A, B, B, B),
                 c(A, A, B, B, B, A))
#> [1] FALSE