Checks whether one vector of relations is the inverse of another. Typically used to confirm that "above" and "below" columns match and will result in the same stratigraphic graph.

strat_is_mirror(units, relation1, relation2)

Arguments

units

Vector of unit labels.

relation1

First vector of relations.

relation2

Second vector of relations.

Value

TRUE or FALSE

Examples

data("harris12") strat_is_mirror(harris12$context, harris12$above, harris12$below)
#> [1] TRUE