Hamming distance between two bit strings.
Hamming distance between two bit strings. Note that we treat each integer
in the input array as a bit string. In contrast, HammingDistance treats
each integer in the input array as a single value.
Mean Mahantan distance.
Mean Mahantan distance. Compared to regular Manhattan distance, it normalizes
the distance by the sum of contingency table values.
Pattern difference distance.
Shape Difference distance.
Size Difference distance.
Vari distance class.
Build the contingency matrix (a, b, c, d) where for each bite i, j of vector 1 and 2 :