def __init__(self, ns_range):
    self._ns_range = ns_range
    if self._ns_range is not None:
      self._iter = iter(self._ns_range)
      self._last_ns = None
Returns the smaller of std(X, ddof=1) or normalized IQR(X) over axis 0.
dataset/ETHPy150Open AppScale/appscale/AppServer/google/appengine/ext/mapreduce/key_ranges.py/_KeyRangesFromNSRange.__init__--crossover with--dataset/ETHPy150Open statsmodels/statsmodels/statsmodels/nonparametric/bandwidths.py/_select_sigma