code: def time_average_old(self, constructor, pct):
      self.data.rank(pct=pct) / len(self.data)
  
imports: import numpy
  import pandas
  from .pandas_vb_common import setup
label_desc: Use image node_id 3 for calling the Rank obj's underlying member method code with example usage: obj.time_average_old(constructor, pct) without return types