code: def f1(tp, fp, tn, fn):
      _recall = recall(tp, fp, tn, fn)
      _precision = precision(tp, fp, tn, fn)
      return 2 * (_precision * _recall) / (_precision + _recall)
  
file_path: DALEX/python/dalex/dalex/model_explanations/_model_performance/utils.py
imports: import numpy
  import pandas
label_desc: Use image node_id 9 for calling a global function with example usage: f1(tp, fp, tn, fn) and returns: unknown