code: def my_kde_bandwidth(obj, fac=1.0 / 5):
      """We use Scott's Rule, multiplied by a constant factor."""
      return np.power(obj.n, -1.0 / (obj.d + 4)) * fac
  
imports: from functools import partial
  import numpy
  from scipy import stats
  import matplotlib.pyplot
label_desc: Use image node_id 1 for calling a global function with example usage: my_kde_bandwidth(obj, fac) and returns: unknown