code: def transform(self, X):
      return self.enc.transform(X)
  
file_path: mljar-supervised/supervised/preprocessing/loo_encoder.py
imports: import copy
  import json
  import logging
  import warnings
  from decimal import Decimal
  import numpy
  import pandas
  from category_encoders.leave_one_out import LeaveOneOutEncoder
  from supervised.utils.config import LOG_LEVEL
label_desc: Use image node_id 3 for calling the LooEncoder obj's underlying member method code with example usage: obj.transform(X) and returns: self