class_docstr: A data interface for public data. This class is an interface to DiCE explainers
  and contains methods to transform user-fed raw data into the format a DiCE explainer
  requires, and vice versa.
docstr: One-hot-encodes the data.
code: def one_hot_encode_data(self, data):
      """One-hot-encodes the data."""
      return pd.get_dummies(
          data, drop_first=False, columns=self.categorical_feature_names
      )
  
imports: import logging
  from collections import defaultdict
  import numpy
  import pandas
  from raiutils.exceptions import UserConfigValidationException
  from sklearn.preprocessing import LabelEncoder
  from dice_ml.data_interfaces.base_data_interface import _BaseData
  from dice_ml.utils.exception import SystemException
label_desc: Use image node_id 8 for calling the PublicData obj's underlying member method code with example usage: obj.one_hot_encode_data(data) and returns: pd