rate_dataset::get_homogeneity_limit

Source: dataset/rate/rate_dataset__get_homogeneity_limit.pro

 rate_dataset::get_homogeneity_limit
        Return the level of tolerance of mismatch for overplotted
        streams.

 Usage:
        level = dsref -> get_homogeneity_limit()

 History:
        Original: 27/4/01; SJT