code: def is_signal_intermittent(iSeries, iOptions):
      series = iSeries - iSeries.min()
      zero_values = series[abs(series) < 1e-8]
      lZeroRate = zero_values.shape[0] / series.shape[0]
      if lZeroRate > iOptions.mCrostonOptions.mZeroRate:
          return True
      return False
  
file_path: atspy/atspy/TS/Intermittent_Models.py
imports: import numpy
  import pandas
  from .None import SignalDecomposition_AR
  from .None import Utils
  from .None import Perf
  import sys
label_desc: Use image node_id 1 for calling a global function with example usage: is_signal_intermittent(iSeries, iOptions) and returns: False, True