oshea00

import numpy as np
from math import sqrt

scaling = False

# Implements Kabsch algorithm - best fit.
# Supports scaling (umeyama)
# Compares well to SA results for the same data.
# Input:
#     Nominal  A Nx3 matrix of points

jwcarr

# Variation of information (VI)
#
# Meila, M. (2007). Comparing clusterings-an information
#   based distance. Journal of Multivariate Analysis, 98,
#   873-895. doi:10.1016/j.jmva.2006.11.013
#
# https://en.wikipedia.org/wiki/Variation_of_information

from math import log