class_docstr: the Willison amplitude for each variable in the segmented time series 
class_docstr_tok: ["the","Willison","amplitude","for","each","variable","in","the","segmented","time","series"]
code: def __init__(self, threshold=0):
      self.threshold = threshold
  
imports: import numpy
  from scipy import stats
label_desc: Use image node_id 1 to create a new willison_amplitude object from inherited base classes: object with example: obj = willison_amplitude(threshold)