class_docstr: Proxy object for AFNI image array.
  
  Attributes
  ----------
  scaling : np.ndarray
      Scaling factor (one factor per volume/sub-brick) for data. Default is
      None
code: def scaling(self):
      return self._scaling
  
imports: import os
  import re
  from copy import deepcopy
  import numpy
  from .arrayproxy import ArrayProxy
  from .fileslice import strided_scalar
  from .spatialimages import HeaderDataError, ImageDataError, SpatialHeader, SpatialImage
  from .volumeutils import Recoder
label_desc: Use image node_id 2 for calling the AFNIArrayProxy obj's underlying member method code with example usage: obj.scaling() and returns: self