docstr: Transform the data according to the preprocessing method.
  
  Parameters
  ----------
  X : pd.DataFrame
      The input data.
  y : pd.Series
      The target values.
  s : Optional[pd.Series], optional
      The protected attribute.
  
  Returns
  -------
  pd.DataFrame
      The transformed data.
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code: def transform(
      self, X: pd.DataFrame, y: pd.Series, s: Optional[pd.Series] = None
  ) -> tuple[pd.DataFrame, pd.Series, pd.Series]:
      """
      Transform the data according to the preprocessing method.
  
      Parameters
      ----------
      X : pd.DataFrame
          The input data.
      y : pd.Series
          The target values.
      s : Optional[pd.Series], optional
          The protected attribute.
  
      Returns
      -------
      pd.DataFrame
          The transformed data.
      """
      pass
  
imports: from abc import ABC, abstractmethod
  from typing import Optional
  import pandas
label_desc: Use image node_id 2 for calling the PreProcessing obj's underlying member method code with example usage: obj.transform(X, y, s) without return types