Arguments
i
a data.frame associated with a single soil profile, ordered by depth
topcol
character, giving the name of the column in i
that describes horizon top depth
bottomcol
character, giving the name of the column in i
that describes horizon bottom depth
test.NA
logicial, should tests for missing (NA) horizon top OR bottom boundaries be performed?
strict
logical, should continuity tests be performed-- i.e. for non-contiguous horizon boundaries