code: def _percentile_interval(data, width):
      """Return a percentile interval from data of a given width."""
      edge = (100 - width) / 2
      percentiles = edge, 100 - edge
      return np.nanpercentile(data, percentiles)
  
imports: from numbers import Number
  from statistics import NormalDist
  import numpy
  import pandas
  from .algorithms import bootstrap
  from .utils import _check_argument
label_desc: Use image node_id 1 for calling a global function with example usage: _percentile_interval(data, width) and returns: np