def _BinIndex(self, item):



    if item <= self.start:

      return 0
    else:





      itembin = math.ceil(math.log(float(item)/self.start, self.exponent))
      return int(itembin)
Get bin to which item belongs.
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/ext/analytics/process.py/_ExponentialBinner._BinIndex