Maps the column names shared by the scenario, source and
results frames to the type each is expected to hold. Only columns whose
type is load-bearing downstream are listed; check_colnames() ignores
columns absent from the spec.
Maps the column names shared by the scenario, source and
results frames to the type each is expected to hold. Only columns whose
type is load-bearing downstream are listed; check_colnames() ignores
columns absent from the spec.