class_docstr: Statistics for binary decision,
  including precision, recall, false positive, false negative
code: def false_negative(self):
      if self.nr_pos == 0:
          return 0
      return 1 - self.recall
  
imports: import numpy
label_desc: Use image node_id 7 for calling the BinaryStatistics obj's underlying member method code with example usage: obj.false_negative() and returns: unknown, int