class_docstr: Binary confusion matrix class
code: def y_pred(self, to_bool=False):
      if not to_bool:
          return self._y_pred
      else:
          d = self.dict_class()
          return self._y_pred.map(d)
  
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 9 for calling the BinaryConfusionMatrix obj's underlying member method code with example usage: obj.y_pred(to_bool) and returns: self, self