calculating h-indices

h_index.py

def h_index(pubs):
  """n-publicaions with at least n-citations"""
  # sort the list of citations
  pubs = sorted(pubs)
  # iterate over the sorted list
  for i, x in enumerate(pubs):
    # number of citations including this one and greater
    n = len(pubs[i:])
    # if this citaiton index  is greater than or equal to
    # n, we have an h_index
    if x >= n:
      return n
  return False

In [78]: pubs = [43, 77, 3, 32, 2, 32, 4]

In [79]: h_index(pubs)
Out[79]: 4

In [112]: h_index([800, 403, 420, 391])
Out[112]: 4