code: def standardPlots(self, name=None):
      for level in sorted(self.mModels.keys()):
          for signal in sorted(self.mModels[level].keys()):
              lEngine = self.mModels[level][signal]
              lEngine.standardPlots(
                  name
                  + "_Hierarchy_Level_Signal_"
                  + str(level)
                  + "_"
                  + str(signal)
              )
  
imports: import pandas
  import numpy
  from ..None import ForecastEngine
  from .None import Options
  from .None import Perf
  from .None import Utils
  from .None import Plots
  import time
label_desc: Use image node_id 14 for calling the cSignalHierarchy obj's underlying member method code with example usage: obj.standardPlots(name) without return types