class_docstr: Identity transform.
      
class_docstr_tok: ["Identity","transform","."]
code: def transform(self, X):
      return X
  
imports: from __future__ import division
  import numpy
  from sklearn.preprocessing import LabelBinarizer
  from sklearn.utils import column_or_1d
label_desc: Use image node_id 1 for calling the Identity obj's underlying member method code with example usage: obj.transform(X) and returns: X