class_docstr: Statistics for binary decision,
  including precision, recall, false positive, false negative
code: def false_positive(self):
      if self.nr_pred_pos == 0:
          return 0
      return 1 - self.precision
  
imports: import numpy
label_desc: Use image node_id 6 for calling the BinaryStatistics obj's underlying member method code with example usage: obj.false_positive() and returns: unknown, int