class_docstr: Binary confusion matrix class
docstr: Informedness = Sensitivity + Specificity - 1
docstr_tok: ["Informedness","=","Sensitivity","+","Specificity","-","1"]
code: def informedness(self):
      """
      Informedness = Sensitivity + Specificity - 1
      """
      return self.sensitivity + self.specificity - 1.0
  
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 36 for calling the BinaryConfusionMatrix obj's underlying member method code with example usage: obj.informedness() and returns: unknown