code: def __call__(self, *sequences):
      if numpy:
          return self._numpy(*sequences)
      else:
          return self._pure(*sequences)
  
imports: from functools import reduce
  from typing import Any
  from .base import Base, BaseSimilarity
label_desc: Use image node_id 3 for calling the Correlation obj's underlying member method code with example usage: obj.__call__() and returns: self, self