class_docstr: Normalize the continuous variables.
class_docstr_tok: ["Normalize","the","continuous","variables","."]
docstr: Undoes normalization and returns reverted dataframe
docstr_tok: ["Undoes","normalization","and","returns","reverted","dataframe"]
code: def revert(self, df):
      """
      Undoes normalization and returns reverted dataframe
      """
      out_df = df.copy()
      for n in self.cont_names:
          out_df[n] = (df[n] * (1e-7 + self.stds[n])) + self.means[n]
      return out_df
  
imports: from ..None import utils
  from ..imports import *
  from ..preprocessor import Preprocessor
  from numbers import Number
  from types import SimpleNamespace
  from typing import Any, AnyStr, Callable, Collection, Dict, Hashable, Iterator, List, Mapping, NewType, Optional, Sequence, Tuple, TypeVar, Union
  from pandas.api.types import is_categorical_dtype, is_numeric_dtype
label_desc: Use image node_id 4 for calling the Normalize obj's underlying member method code with example usage: obj.revert(df) and returns: out_df