class_docstr: Binary confusion matrix class
docstr: Markedness = Precision + NPV - 1
docstr_tok: ["Markedness","=","Precision","+","NPV","-","1"]
code: def markedness(self):
      """
      Markedness = Precision + NPV - 1
      """
      return self.precision + self.NPV - 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 37 for calling the BinaryConfusionMatrix obj's underlying member method code with example usage: obj.markedness() and returns: unknown