Russell-Rao dissimilarity between binary vectors.
RussellRaoDissimilarity[u, v]
RussellRaoDissimilarity[{1, 0, 1, 1, 0}, {1, 1, 0, 1, 1}]
→ 3/5RussellRaoDissimilarity[{True, False, True}, {True, True, False}]
→ 2/3RussellRaoDissimilarity[{1, 1, 1, 1}, {1, 1, 1, 1}]
→ 0