code: def unnormalize_y(self, y: np.ndarray) -> np.ndarray:
      # return y
      # return y + self.original_y_mean
      distance_from_min = y - (-0.5)
      total_distance = self.original_y_max - self.original_y_min
      return self.original_y_min + (distance_from_min * total_distance)
  
imports: from operator import gt, le
  from typing import Any, List, Optional, Union
  import numpy
  import pandas
  from .errors import NoSplittableVariableException
  from .splitcondition import SplitCondition
label_desc: Use image node_id 3 for calling the Target obj's underlying member method code with example usage: obj.unnormalize_y(y) and returns: unknown