class_docstr: Mostly borrowed from <https://github.com/clarkkev/deep-coref/blob/master/evaluation.py>
class_docstr_tok: ["Mostly","borrowed","from","<","https",":","\/\/github.com\/clarkkev\/deep-coref\/blob\/master\/evaluation.py",">"]
code: def get_prf(self):
      return self.get_precision(), self.get_recall(), self.get_f1()
  
imports: from __future__ import division
  from __future__ import absolute_import
  from collections import Counter
  from sklearn.utils.linear_assignment_ import linear_assignment
  import numpy
  import torch
  from allennlp.training.metrics.metric import Metric
label_desc: Use image node_id 6 for calling the Scorer obj's underlying member method code with example usage: obj.get_prf() and returns: self,  self,  self