in data_measurements/npmi/npmi.py [0:0]
def pair_terms(id_terms):
"""Creates alphabetically ordered paired terms based on the given terms."""
pairs = []
for i in range(len(id_terms)):
term1 = id_terms[i]
for j in range(i + 1, len(id_terms)):
term2 = id_terms[j]
# Use one ordering for a pair.
pair = tuple(sorted([term1, term2]))
pairs += [pair]
return pairs