c5f9a908910ab118c465de659a8a90c9d64aa708,deepchem/trans/transformers.py,PowerTransformer,transform,#PowerTransformer#Any#,592

Before Change

    shutil.rmtree(dataset.data_dir)
    os.makedirs(dataset.data_dir)
    DiskDataset.from_numpy(X_t, y_t, w_t, ids_t, data_dir=dataset.data_dir)
    return dataset

  def untransform(self, z):
    print("Cannot undo Power Transformer, for now.")    
    

After Change

      y_t = y
    if self.transform_y:
      // print("y will not be transformed by PowerTransformer, for now.")
      y_t = np.power(y, self.powers[0])
      for i in range(1, n_powers):
      	y_t = np.hstack((y_t,np.power(y, self.powers[i])))
      X_t = X
    
    shutil.rmtree(dataset.data_dir)
    os.makedirs(dataset.data_dir)
    DiskDataset.from_numpy(dataset.data_dir, X_t, y_t, w_t, ids_t)
    return dataset
    
    return NumpyDataset(X_t, y_t, w_t, ids_t)

  def untransform(self, z):
    // print("Cannot undo Power Transformer, for now.")    
    n_powers = len(self.powers)

Instances