class_docstr: Binary confusion matrix class
docstr: Return True
docstr_tok: ["Return","True"]
code: def is_binary(self):
      """Return True"""
      return True
  
imports: from __future__ import absolute_import, division, print_function, unicode_literals
  import math
  import numpy
  import pandas
  import collections
  from pandas_ml.confusion_matrix.abstract import ConfusionMatrixAbstract
label_desc: Use image node_id 3 for calling the BinaryConfusionMatrix obj's underlying member method code with example usage: obj.is_binary() and returns: True