code: def atleast_2dcol(x):
      """convert array_like to 2d from 1d or 0d
  
      not tested because not used
      """
      x = np.asarray(x)
      if x.ndim == 1:
          x = x[:, None]
      elif x.ndim == 0:
          x = np.atleast_2d(x)
      elif x.ndim > 0:
          raise ValueError("too many dimensions")
      return x
  
imports: import numpy
  from scipy import stats
label_desc: Use image node_id 1 for calling a global function with example usage: atleast_2dcol(x) and returns: x