class_docstr: number of changes between positive and negative slope among three consecutive samples
  above a certain threshold for each variable in the segmented time series
class_docstr_tok: ["number","of","changes","between","positive","and","negative","slope","among","three","consecutive","samples","above","a","certain","threshold","for","each","variable","in","the","segmented","time","series"]
code: def __repr__(self):
      return "%s(threshold=%s)" % (
          self.__class__.__name__,
          self.threshold,
      )
  
imports: import numpy
  from scipy import stats
label_desc: Use image node_id 3 for calling the slope_sign_changes obj's underlying member method code with example usage: obj.__repr__() and returns: unknown