class_docstr: Result Class for a single model
  
  Parameters
  ----------
  model_name: string, required
      The name of the recommender model.
  
  metric_avg_results: :obj:`OrderedDict`, required
      A dictionary containing the average result per-metric.
  
  metric_user_results: :obj:`OrderedDict`, required
      A dictionary containing the average result per-user across different metrics.
code: def __str__(self):
      headers = list(self.metric_avg_results.keys())
      data = [
          [NUM_FMT.format(v) for v in self.metric_avg_results.values()]
      ]
      return _table_format(
          data, headers, index=[self.model_name], h_bars=[1]
      )
  
imports: import numpy
  from collections import OrderedDict
label_desc: Use image node_id 2 for calling the Result obj's underlying member method code with example usage: obj.__str__() and returns: _table_format